{"id":17480,"date":"2026-09-08T01:44:57","date_gmt":"2026-09-07T17:44:57","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=17480"},"modified":"2026-09-08T01:44:57","modified_gmt":"2026-09-07T17:44:57","slug":"linear-power-supply-vs-smps-choose-right-type","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/","title":{"rendered":"Linear vs SMPS Netzteil: So w\u00e4hlen Sie den richtigen Typ f\u00fcr Ihre Anwendung"},"content":{"rendered":"<div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhaltsverzeichnis<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Umschalten<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Introduction\" >Einf\u00fchrung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#What_Is_a_Linear_Power_Supply\" >Was ist eine lineare Stromversorgung?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#How_a_Linear_Power_Supply_Works\" >Wie eine lineare Stromversorgung funktioniert<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Common_Use_Cases_for_Linear_Power_Supplies\" >Gemeinsame Anwendungsf\u00e4lle f\u00fcr lineare Stromversorgungen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#What_Is_a_Switching_Power_Supply_SMPS\" >Was ist eine Schaltnetzteil (SMPS)?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#How_an_SMPS_Works\" >Wie ein SMPS funktioniert<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Common_Use_Cases_for_SMPS\" >Use Cases f\u00fcr SMPS<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Linear_vs_SMPS_Key_Differences\" >Linear vs SMPS: Hauptunterschiede<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Efficiency_and_Heat_Generation\" >Effizienz und W\u00e4rmeerzeugung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Size_and_Weight\" >Gr\u00f6\u00dfe und Gewicht<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Noise_and_Ripple_Performance\" >Noise und Ripple Performance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Cost_Comparison\" >Kosten Vergleich<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Response_to_Load_Changes\" >Reaktion auf Load Changes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Linear_vs_SMPS_Comparison_Table\" >Linear vs SMPS Vergleichstabelle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#When_to_Choose_Linear_Over_SMPS_and_Vice_Versa\" >Wann Sie Linear \u00fcber SMPS w\u00e4hlen (und umgekehrt)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Sensitive_Audio_and_Test_Equipment\" >Sensible Audio-und Testger\u00e4te<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Industrial_and_Space%E2%80%91Constrained_Applications\" >Industrie-und raumbeschr\u00e4nkte Anwendungen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#When_Linear_May_Still_Be_the_Better_Choice\" >Wenn Linear die bessere Wahl ist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#When_SMPS_Is_the_Better_Choice\" >Wann SMPS die bessere Wahl ist<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#FAQs\" >FAQs<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Is_SMPS_better_than_a_linear_power_supply\" >Ist SMPS besser als eine lineare Stromversorgung?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Why_is_a_linear_power_supply_quieter_than_a_switching_supply\" >Warum ist eine lineare Stromversorgung leiser als eine Schaltversorgung?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Which_type_is_more_energy_efficient\" >Welcher Typ ist energieeffizienter?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Are_linear_power_supplies_still_used_today\" >Werden heute noch lineare Stromversorgungen verwendet?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#What_should_procurement_teams_prioritize_when_selecting_power_supplies\" >Was sollten Beschaffungsteams bei der Auswahl von Stromversorgungen priorisieren?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/#Conclusion\" >Abschluss<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Einf\u00fchrung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>Bei der Wahl zwischen einem linearen Netzteil und einem SMPS geht es nicht nur um technische Spezifikationen-es wirkt sich direkt auf die Zuverl\u00e4ssigkeit, das W\u00e4rmemanagement, den Schrankplatz und die Gesamtbetriebskosten Ihres Systems aus. Lineare Netzteile sind f\u00fcr saubere Leistung und Einfachheit bekannt, w\u00e4hrend Schaltnetzteile h\u00f6here Effizienz und kleinere Gr\u00f6\u00dfe bieten. <strong>W\u00e4hlen Sie zwischen linearer und SMPS-Stromversorgung<\/strong>, m\u00fcssen Sie reale Betriebsbedingungen gegen Ihre Projektanforderungen abw\u00e4gen. Dieser Leitfaden vergleicht die wichtigsten Leistungskennzahlen, um OEMs und Beschaffungsteams dabei zu helfen, sichere Entscheidungen f\u00fcr langlebige Systeme zu treffen. WEHO <a title=\"\" href=\"https:\/\/www.wehopower.com\/de\/products\/\" target=\"_blank\" rel=\"noopener\">Industrielle Stromversorgung<\/a> sind so konstruiert, dass sie sowohl Pr\u00e4zisions-als auch Schwerlast-Industrieszenarien abdecken.<\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Linear_Power_Supply\"><\/span>Was ist eine lineare Stromversorgung?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>Eine lineare Stromversorgung regelt die Ausgangsspannung, indem sie \u00fcbersch\u00fcssige Energie durch einen Serienregler ableitet. Es verwendet typischerweise einen Transformator, um die Wechselstromeingangsspannung zu senken, dann zu korrigieren und in DC zu filtern. Da der Regelungsprozess kontinuierlich und relativ einfach ist, ist der Ausgang normalerweise sehr sauber, mit geringem Rauschen und geringer Welligkeit.<\/div>\n<\/div>\n<div>\n<div>Lineare Stromversorgungen sind besonders effektiv in Anwendungen, bei denen die Ausgangsstabilit\u00e4t wichtiger ist als die maximale Effizienz. Sie werden h\u00e4ufig in Laborinstrumenten, Audioger\u00e4ten, Messger\u00e4ten und anderer empfindlicher Elektronik gefunden. Da sie jedoch ungenutzte Energie als W\u00e4rme abf\u00fchren, neigen sie dazu, w\u00e4rmer zu laufen und erfordern gr\u00f6\u00dfere K\u00fchlk\u00f6rper, insbesondere bei h\u00f6heren Ausgangspegeln.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"How_a_Linear_Power_Supply_Works\"><\/span>Wie eine lineare Stromversorgung funktioniert<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Der Kernbetrieb einer linearen Versorgung folgt einem einfachen Weg: Transformatorisolierung, Gleichrichtung, Filterung und lineare Regelung. Die Reglerkomponente wirkt wie ein variabler Widerstand, um die Ausgangsspannung stabil zu halten. W\u00e4hrend dies einen sauberen DC-Ausgang erzeugt, bedeutet dies auch, dass ein erheblicher Teil der Eingangsenergie als W\u00e4rme verloren geht.<\/div>\n<\/div>\n<div>\n<div>F\u00fcr Beschaffungsteams bedeutet diese Struktur, dass lineare Lieferungen einfacher zu verstehen und oft einfacher in Systeme mit geringer Dynamik zu integrieren sind. Sie sind im Allgemeinen weniger komplex als SMPS-Designs und k\u00f6nnen eine zuverl\u00e4ssige Wahl sein, wenn sich die Last nicht schnell \u00e4ndert.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Common_Use_Cases_for_Linear_Power_Supplies\"><\/span>Gemeinsame Anwendungsf\u00e4lle f\u00fcr lineare Stromversorgungen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Lineare Stromversorgungen werden h\u00e4ufig in Pr\u00fcf-und Messinstrumenten, Audioverst\u00e4rkern, medizinischen Ger\u00e4ten, Pr\u00e4zisionssensoren und Industriesteuerungen mit geringem Stromverbrauch verwendet. Diese Anwendungen priorisieren in der Regel ein geringes Rauschen, einen stabilen DC-Ausgang und eine vorhersehbare Leistung gegen\u00fcber maximaler Energieeffizienz.<\/div>\n<\/div>\n<div>\n<div>Wenn Ihr Projekt empfindliche analoge Schaltungen oder Ger\u00e4te umfasst, die hochgenaue Messungen liefern m\u00fcssen, kann eine lineare Versorgung eine vorrangige Ber\u00fccksichtigung verdienen. WEHO bietet zuverl\u00e4ssige DC-Stromversorgungsl\u00f6sungen f\u00fcr allgemeine und anspruchsvolle DC-Anwendungen. <a title=\"\" href=\"https:\/\/www.wehopower.com\/de\/products\/\" target=\"_blank\" rel=\"noopener\">Produktseite<\/a>.<\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Switching_Power_Supply_SMPS\"><\/span>Was ist eine Schaltnetzteil (SMPS)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>Ein Schaltnetzteil oder SMPS wandelt Eingangsleistung bei hoher Frequenz unter Verwendung von Halbleiterschaltern, Transformatoren und Regelkreisen in Gleichstrom um. Anstatt \u00fcbersch\u00fcssige Spannung als W\u00e4rme abzuf\u00fchren, passt ein SMPS den Ein-Aus-Zeitpunkt von Schaltern an, um den Ausgang zu regeln. Dieses Funktionsprinzip ist der Hauptgrund, warum der SMPS-Wirkungsgrad typischerweise viel h\u00f6her ist als der einer linearen Versorgung.<\/div>\n<\/div>\n<div>\n<div>Da SMPS-Einheiten mit hoher Frequenz arbeiten, k\u00f6nnen ihre Transformatoren und Filter viel kleiner sein als die in linearen Netzteilen mit gleichwertiger Leistungskapazit\u00e4t. Dies macht sie leichter, kompakter und besser geeignet f\u00fcr platzsparende Industrieschr\u00e4nke, Stromverteilungssysteme und 24\/7-Betriebsger\u00e4te.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"How_an_SMPS_Works\"><\/span>Wie ein SMPS funktioniert<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>In einem SMPS wird der Eingangs-AC zuerst gleichgerichtet und in Hochspannungs-DC gefiltert. Dieser DC wird dann mit hoher Frequenz geschaltet und durch einen Hochfrequenz-Transformator zur Isolierung und Spannungsskalierung geleitet. Die Sekund\u00e4rseite wird gleichgerichtet und erneut gefiltert, um den endg\u00fcltigen DC-Ausgang zu erzeugen. Eine R\u00fcckkopplungsschleife passt das Schaltverhalten kontinuierlich an, um eine stabile Ausgabe aufrechtzuerhalten.<\/div>\n<\/div>\n<div>\n<div>Diese Architektur erm\u00f6glicht einen hohen Wirkungsgrad, insbesondere bei mittleren bis hohen Lastniveaus. Sie erm\u00f6glicht auch breite Eingangsspannungsbereiche, eine kompakte mechanische Konstruktion und erweiterte Schutzfunktionen wie \u00dcberspannung, \u00dcberstrom und \u00dcbertemperaturabschaltung.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Common_Use_Cases_for_SMPS\"><\/span>Use Cases f\u00fcr SMPS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>SMPS-Einheiten sind weit verbreitet in der industriellen Automatisierung, LED-Treiber, Telekommunikationssysteme, Server-Netzteile, Fabrikbedienfelder und Batterieladesysteme. Sie sind in der Regel die bevorzugte Wahl, wenn Energieeinsparungen, kompakte Gr\u00f6\u00dfe und Dauerbetrieb sind wichtige Beschaffungskriterien.<\/div>\n<\/div>\n<div>\n<div>Security Monitoring ist ein typisches Anwendungsszenario f\u00fcr SMPS, pr\u00fcfen Sie <a title=\"\" href=\"https:\/\/www.wehopower.com\/de\/product-category\/security-power-supply\/\" target=\"_blank\" rel=\"noopener\">Sicherheit Stromversorgung<\/a> WEHO SMPS-Produkte f\u00fcr die Industrie werden \u00fcblicherweise f\u00fcr industrielle Steuerungssysteme ausgew\u00e4hlt, die einen stabilen DC-Ausgang und eine zuverl\u00e4ssige Leistung rund um die Uhr erfordern.<\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Linear_vs_SMPS_Key_Differences\"><\/span>Linear vs SMPS: Hauptunterschiede<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>Wenn ihr <strong>W\u00e4hlen Sie zwischen linearer und SMPS-Stromversorgung<\/strong>, Effizienz, Gr\u00f6\u00dfe, Rauschen, Kosten und Lastverhalten sind die Kernkriterien, die bestimmen, welche Technologie f\u00fcr Ihre Anwendung geeignet ist.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Efficiency_and_Heat_Generation\"><\/span>Effizienz und W\u00e4rmeerzeugung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Effizienz ist einer der gr\u00f6\u00dften Unterschiede zwischen linearen und Schaltnetzteilen. Eine lineare Versorgung regelt die Leistung durch Ableitung von Leistung, so dass ihre Effizienz relativ gering ist, insbesondere wenn die Spannungsl\u00fccke zwischen Eingang und Ausgang gro\u00df ist. Ein SMPS reduziert dagegen die Energieverschwendung durch Hochfrequenzschaltung, was die W\u00e4rmeerzeugung direkt senkt.<\/div>\n<\/div>\n<div>\n<div>Bei kontinuierlich laufenden Anlagen kann dieser Unterschied erhebliche Auswirkungen auf die Betriebskosten und die Systemzuverl\u00e4ssigkeit haben. Hohe Hitze beschleunigt die Komponentenalterung, erh\u00f6ht die thermische Belastung und erfordert m\u00f6glicherweise zus\u00e4tzliche K\u00fchlung. Wenn Sie eine industrielle Gro\u00dfbeschaffung verwalten, k\u00f6nnen die langfristigen Energieeinsparungen durch ein effizientes SMPS h\u00f6here St\u00fcckkosten rechtfertigen.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Size_and_Weight\"><\/span>Gr\u00f6\u00dfe und Gewicht<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Im Allgemeinen ist ein SMPS kleiner und leichter als ein lineares Netzteil mit \u00e4hnlicher Ausgangsleistung. Der Hochfrequenztransformator und die kompakten Filterkomponenten erm\u00f6glichen Schaltkonstruktionen, die in viel engere R\u00e4ume passen. Deshalb dominieren SMPS-Einheiten moderne industrielle Schaltschr\u00e4nke und verteilte Stromversorgungssysteme.<\/div>\n<\/div>\n<div>\n<div>Lineare Stromversorgungen erfordern jedoch gr\u00f6\u00dfere Transformatoren und K\u00fchlk\u00f6rper. W\u00e4hrend sie f\u00fcr Anwendungen mit geringer Leistung oder geringem Rauschen immer noch praktisch sein k\u00f6nnen, werden sie bei h\u00f6heren Leistungspegeln aufgrund ihrer Gr\u00f6\u00dfe und der Anforderungen an das W\u00e4rmemanagement weniger attraktiv.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Noise_and_Ripple_Performance\"><\/span>Noise und Ripple Performance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Linear power supplies usually produce cleaner DC output with lower noise and lower ripple. Their simple regulation method generates fewer high\u2011frequency disturbances, which makes them a good match for sensitive analog circuits, audio systems, and precision measurement instruments.<\/div>\n<\/div>\n<div>\n<div>SMPS units inherently generate switching noise and voltage ripple. Although modern designs have improved significantly, an SMPS may still require additional filtering or shielding in noise\u2011sensitive applications. When purchasing for precision systems, you should review both the ripple specification and the test conditions listed in the datasheet.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Cost_Comparison\"><\/span>Kosten Vergleich<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>At low power levels, linear supplies can be cost\u2011effective because their design is simpler. As power increases, however, the cost of transformers, heat sinks, and enclosure size often makes linear supplies less economical. SMPS designs usually have higher engineering complexity, but their total system cost can be lower when size, cooling, and energy consumption are included.<\/div>\n<\/div>\n<div>\n<div>Procurement decisions should therefore consider total cost of ownership, not just unit price. An SMPS may cost more upfront but save money over time through lower energy loss and reduced cooling requirements.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Response_to_Load_Changes\"><\/span>Reaktion auf Load Changes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Linear power supplies typically respond quickly to small load changes because their regulation mechanism is continuous. This can be beneficial in applications where fast transient response and tight voltage regulation are critical.<\/div>\n<\/div>\n<div>\n<div>SMPS units regulate output through a control loop that operates with finite bandwidth. Their transient response is generally good, but very fast or extreme load changes may produce larger voltage deviations compared to a well\u2011designed linear supply. For stable industrial loads, this difference is often acceptable; for highly dynamic precision loads, it deserves closer evaluation.<\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Linear_vs_SMPS_Comparison_Table\"><\/span>Linear vs SMPS Vergleichstabelle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-17483\" title=\"weho drp\u2011din\u2011rail\u2011power\u2011supply\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-drp\u2011din\u2011rail\u2011power\u2011supply.png?quality=85&strip=all\" alt=\"Linear power supply vs SMPS, WEHO DRP\u201124\u201124 DIN rail industrial switching power supply\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-drp\u2011din\u2011rail\u2011power\u2011supply.png?quality=85&strip=all 1000w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-drp\u2011din\u2011rail\u2011power\u2011supply-300x300.png?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-drp\u2011din\u2011rail\u2011power\u2011supply-500x500.png?quality=85&strip=all 500w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-drp\u2011din\u2011rail\u2011power\u2011supply-768x768.png?quality=85&strip=all 768w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho-drp\u2011din\u2011rail\u2011power\u2011supply-12x12.png?quality=85&strip=all 12w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<\/div>\n<div>\n<div>\n<div>\n<div>\n<div>\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 17.5361%;\">Criteria<\/th>\n<th style=\"width: 25.5272%;\">Linear Power Supply<\/th>\n<th style=\"width: 27.192%;\">SMPS<\/th>\n<th style=\"width: 28.4129%;\">Procurement Priority<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 17.5361%;\">Effizienz<\/td>\n<td style=\"width: 25.5272%;\">Lower, especially under large input\u2011output difference<\/td>\n<td style=\"width: 27.192%;\">Higher, typically 80%\u201395% in industrial units<\/td>\n<td style=\"width: 28.4129%;\">High for continuous operation<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Die W\u00e4rme-Generation<\/td>\n<td style=\"width: 25.5272%;\">Higher due to dissipation<\/td>\n<td style=\"width: 27.192%;\">Lower due to switching regulation<\/td>\n<td style=\"width: 28.4129%;\">High for enclosed cabinets<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Gr\u00f6\u00dfe und Gewicht<\/td>\n<td style=\"width: 25.5272%;\">Larger transformer and heat sinks<\/td>\n<td style=\"width: 27.192%;\">Kleiner und leichter<\/td>\n<td style=\"width: 28.4129%;\">High for space\u2011constrained systems<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Noise and Ripple<\/td>\n<td style=\"width: 25.5272%;\">Generally lower<\/td>\n<td style=\"width: 27.192%;\">Higher, but improving with modern design<\/td>\n<td style=\"width: 28.4129%;\">High for precision equipment<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Komplexit\u00e4t<\/td>\n<td style=\"width: 25.5272%;\">Simpler architecture<\/td>\n<td style=\"width: 27.192%;\">More complex control and filtering<\/td>\n<td style=\"width: 28.4129%;\">Medium for system integration<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Cost at Low Power<\/td>\n<td style=\"width: 25.5272%;\">Often competitive<\/td>\n<td style=\"width: 27.192%;\">Sometimes more expensive<\/td>\n<td style=\"width: 28.4129%;\">Medium<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Gesamtbetriebskosten<\/td>\n<td style=\"width: 25.5272%;\">Can be higher at high power<\/td>\n<td style=\"width: 27.192%;\">Often lower with good efficiency<\/td>\n<td style=\"width: 28.4129%;\">High for long\u2011running systems<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Vor\u00fcbergehende Reaktion<\/td>\n<td style=\"width: 25.5272%;\">Generally fast<\/td>\n<td style=\"width: 27.192%;\">Good but loop\u2011dependent<\/td>\n<td style=\"width: 28.4129%;\">Medium for dynamic loads<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.5361%;\">Best Applications<\/td>\n<td style=\"width: 25.5272%;\">Test instruments, audio, precision sensors<\/td>\n<td style=\"width: 27.192%;\">Industrial controls, LED drivers, power distribution<\/td>\n<td style=\"width: 28.4129%;\">Application\u2011dependent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"When_to_Choose_Linear_Over_SMPS_and_Vice_Versa\"><\/span>Wann Sie Linear \u00fcber SMPS w\u00e4hlen (und umgekehrt)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>Before you <strong>W\u00e4hlen Sie zwischen linearer und SMPS-Stromversorgung<\/strong>, review your application environment, noise requirements and running hours. There is no universal perfect solution, but clear guidelines can simplify your procurement decision.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Sensitive_Audio_and_Test_Equipment\"><\/span>Sensible Audio-und Testger\u00e4te<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>For sensitive audio systems, precision test instruments, and measurement devices, output cleanliness is usually the top priority. These applications often benefit from a linear power supply because it produces stable DC with low noise and low ripple.<\/div>\n<\/div>\n<div>\n<div>If your equipment must deliver accurate readings or clean audio output, the low\u2011distortion characteristics of a linear supply may outweigh the efficiency advantage of an SMPS. In these cases, you should prioritize ripple, noise, and regulation quality over energy savings.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Industrial_and_Space%E2%80%91Constrained_Applications\"><\/span>Industrie-und raumbeschr\u00e4nkte Anwendungen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>For industrial control panels, factory automation systems, LED drivers, and distributed power applications, an SMPS is usually the better choice. Its compact size, high efficiency, and wide input range make it highly suitable for modern system designs.<\/div>\n<\/div>\n<div>\n<div>If your equipment runs 24 hours a day or is installed in a sealed cabinet, the heat reduction from an SMPS can improve reliability and extend service life. WEHO industrial SMPS solutions are often used in these environments because they balance efficiency, stability, and protection features.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"When_Linear_May_Still_Be_the_Better_Choice\"><\/span>Wenn Linear die bessere Wahl ist<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>You may prefer a linear supply when output purity is critical, when the load is relatively stable, and when simplicity of operation is more important than maximum energy efficiency. Linear supplies can also be easier to integrate into low\u2011dynamics analog systems.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"When_SMPS_Is_the_Better_Choice\"><\/span>Wann SMPS die bessere Wahl ist<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>You should choose an SMPS when efficiency, size, weight, and thermal management matter. If your application involves industrial automation, space\u2011constrained cabinets, distributed power architecture, or long operating hours, an SMPS is usually the more practical procurement option.<\/div>\n<\/div>\n<div>\n<p><img decoding=\"async\" class=\"size-full wp-image-17482\" title=\"weho\u2011din\u2011rail\u2011mount\u2011power\u2011supply\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho\u2011din\u2011rail\u2011mount\u2011power\u2011supply.png?quality=85&strip=all\" alt=\"Industrial cabinet installation for linear power supply and SMPS, WEHO DIN\u2011rail power supply mounting structure\" width=\"768\" height=\"742\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho\u2011din\u2011rail\u2011mount\u2011power\u2011supply.png?quality=85&strip=all 768w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho\u2011din\u2011rail\u2011mount\u2011power\u2011supply-300x290.png?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/09\/weho\u2011din\u2011rail\u2011mount\u2011power\u2011supply-12x12.png?quality=85&strip=all 12w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Is_SMPS_better_than_a_linear_power_supply\"><\/span>Ist SMPS besser als eine lineare Stromversorgung?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>It depends on your application. SMPS is usually better for efficiency, size, weight, and long\u2011running industrial systems. Linear supplies are often better for low\u2011noise, low\u2011ripple, and precision applications.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Why_is_a_linear_power_supply_quieter_than_a_switching_supply\"><\/span>Warum ist eine lineare Stromversorgung leiser als eine Schaltversorgung?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>A linear supply regulates output continuously without high\u2011frequency switching, so it generates less electromagnetic noise. An SMPS operates at high frequency, which can produce switching noise and ripple unless additional filtering is applied.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Which_type_is_more_energy_efficient\"><\/span>Welcher Typ ist energieeffizienter?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>An SMPS is generally more energy efficient than a linear supply. Because linear supplies dissipate excess power as heat, their efficiency drops, especially when there is a large difference between input and output voltage.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"Are_linear_power_supplies_still_used_today\"><\/span>Werden heute noch lineare Stromversorgungen verwendet?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>Yes. Linear power supplies are still used in audio equipment, test instruments, measurement devices, and other applications where clean DC output and stable regulation remain critical requirements.<\/div>\n<\/div>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"What_should_procurement_teams_prioritize_when_selecting_power_supplies\"><\/span>Was sollten Beschaffungsteams bei der Auswahl von Stromversorgungen priorisieren?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<div>\n<div>You should prioritize application requirements first: output cleanliness, operating hours, cabinet space, thermal environment, transient behavior, and total cost of ownership. For more product information, please visit <a title=\"\" href=\"https:\/\/www.wehopower.com\/de\/products\/\" target=\"_blank\" rel=\"noopener\">WEHO products page<\/a> to evaluate these specifications for your industrial DC power applications.<\/div>\n<\/div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Abschluss<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>Wenn ihr <strong>W\u00e4hlen Sie zwischen linearer und SMPS-Stromversorgung<\/strong>, there is no one\u2011size\u2011fits\u2011all answer. The final decision depends on your system requirements, operating environment, and procurement priorities. Linear power supplies excel at clean output and low noise, while SMPS units offer higher efficiency, smaller size, and lower heat generation. For most industrial and space\u2011constrained applications, an SMPS is usually the stronger long\u2011term choice. For precision measurement and sensitive analog systems, a linear supply may still be the better option.<\/div>\n<\/div>\n<div>\n<div>If you are sourcing industrial DC power supplies for your project, <a title=\"\" href=\"https:\/\/www.wehopower.com\/de\/contact\/\" target=\"_blank\" rel=\"noopener\">Kontakt zu WEHO<\/a> today for application support and tailored product recommendations.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Choosing between a linear power supply and an SMPS is not just about technical specs\u2014it directly affects your system\u2019s reliability, heat management, cabinet space, and total cost of ownership. Linear supplies are known for clean output and simplicity, while switching power supplies offer higher efficiency and smaller size. When you need to choose between&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/de\/news\/linear-power-supply-vs-smps-choose-right-type\/\">Lesen Sie weiter <span class=\"screen-reader-text\">Linear vs SMPS Netzteil: So w\u00e4hlen Sie den richtigen Typ f\u00fcr Ihre Anwendung<\/span><\/a><\/p>","protected":false},"author":4,"featured_media":17481,"parent":0,"menu_order":30,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-17480","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-industry-news","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news\/17480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/comments?post=17480"}],"version-history":[{"count":1,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news\/17480\/revisions"}],"predecessor-version":[{"id":17484,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news\/17480\/revisions\/17484"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/media\/17481"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/media?parent=17480"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news_category?post=17480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}