120W Dual output switching power supply

WeHo’s D-120 Series is a AC/DC multi-output Power supplies which standard models that offer the most cost-effective option when multiple voltages are required.

D-120 comes in Enclosed case in dual .

WeHo  focus on producing high quality power adapters, stable output.

Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection.

MODEL D-120A D-120B
OUTPUT DC VOLTAGE 5V 12V 5V 24V
CURRENT RANGE 0 ~ 12A 0 ~ 5A 0 ~ 6A 0~ 4A
RIPPLE & NOISE 60mVp-p 120mVp-p 60mVp-p 120mVp-p
VOLTAGE ADJ. RANGE CH1 : ±10% CH2 : ±5% CH1 : ±10% CH2 : ±5%
LINE REGULATION 0.50% 1.00% 0.50% 1.00%
LOAD REGULATION 0.50% 5.00% 0.50% 6.00%
SETUP, RISE TIME 200ms, 50ms, 20ms at full load
INPUT VOLTAGE RANGE 90 ~ 132VAC / 180 ~ 264VAC selected by switch 254 ~ 370VDC
FREQUENCY RANGE 47 ~ 63Hz
EFFICIENCY (Typ.) 78% 76%
AC CURRENT (Typ.) 0.8A/115VAC 0.45A/230VAC
INRUSH CURRENT (Typ.) COLD START 18A/115VAC 36A/230VAC
PROTECTION OVER LOAD 105 ~ 150% rated output power
Protection type : Fold back current limiting, recovers automatically after fault condition is removed.
ENVIRONMENT WORKING TEMP. —10 ~ +50oC (Refer to output load derating curve)
WORKING HUMIDITY 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY -20 ~ +85oC , 10 ~ 95% RH
TEMP. COEFFICIENT 0.03%/oC (0 ~ 50oC )
VIBRATION 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY &EMC SAFETY STANDARDS Design refer to UL1012
WITHSTAND VOLTAGE I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC
EMI CONDUCTION & RADIATION Design refer to FCC Part15 J Conduction
OTHERS MTBF 417.6K hrs min. MIL-HDBK-217F (25 )
DIMENSION 199*110*50mm (L*W*H)
PACKING 0.9Kg; 24*31.5*26CM/20PCS/18KG

105%~150% Type: pulsing hiccup shutdown Reset: auto recovery

-10°c~+60°c(Refer to output derating curve), 20%~90%RH

Pure copper for transformers coils and power inductor coils

1.Input voltage :90-132/180-264VAC , changed by switch

Long use life design, normal life in 60,000 hours.

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Low cost, high reliability

100% full load burn-in test

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