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WEHO SD-25 power supply dc to dc 25w converter

WeHo’s SD-25 series Power supply is dc to dc switching power suppy

Which with copper coil transformer and provide each and safe to install,and Switching Power Supply Power Driver is designed with strong filter magnetic ring capacitor, more powerful

White cap over the connectors for security setting of dust-proof protection for electrical shock

And we make transformers and power inductors by pure coppers all by ourselves,

we make transformers and power inductors by pure coppers all by ourselves,

weho Stocks each month: common models 150000 sets, quick delivery;

Quality is assured with CE ROHS certificates

24 months warranty

MODEL SD-25-05 SD-25-12 SD-25-24
OUTPUT DC VOLTAGE 5V 12V 24V
RATED CURRENT 5A 2.1A 1.1A
CURRENT RANGE 0~5A 0~2.1A 0~1.1A
RATED POWER 25W 25W 25W
RIPPLE&NOISE(max)Note.2 100mVp-p 120mVp-p 150mVp-p
VOLTAGE ADJ.RANGE 4.5~5.5VDC 11~16VDC 23~30VDC
VOLTAGE TOLERANGE Note.3 ±2.0% ±1.0% ±1.0%
LINE REGULATION ±0.5% ±0.3% ±0.2%
LOAD REGULATION ±0.5% ±0.3% ±0.2%
SETUP,RISE,HOLD UP TIME 2.5s, 50ms ,…..12VDC/24VDC/48VDC at full load
INPUT VOLTAGE RANGE A: 9.2~18VDC  B: 18~36VDC  C:36~72VDC
EFFICIENCY(Typ.) 71% 72% 74% 72% 75% 78% 75% 78% 81%
DC CURRENT(Typ.) 3.2A/12VDC          1.6A/24VDC      0.8A/48VDC
PROTECTION OVER LOAD 105~160% rated output power
Protection type :Hiccup mode ,recovers automatically after fault condition is removed
OVER VOLTAGE 5.75~6.75V 13.8~16.2V 27.6~32.4V
Protection type : shut down o/p voltage,re-power on to recover
ENVIRONMENT WORKING TEMP. ~10~+60°C(Refer to output load derating curve)
WORKING HUMIDITY 20~90%RH non-condensing
STORAGE TEMP,HUMIDITY ~20~+85°C ,10~95%RH
TEMP.COEFFICIENT ±0.03%/°C(0~50°C)
VIBRATION 10~500HZ , 2G 10min./1cycle,60min.each along X,Y,Z axes
SAFETY&EMC(Note4) WITHSTAND VOLTAGE I/P~O/P: 2KVAC   I/P-FG:1KVAC   O/P-FG:0.5KVAC
ISOLATION RESISTANCE I/P~O/P,I/P~FG,O/P~FG:100M Ohms/500VDC/25°C/70% RH
EMI CONDUCTION&RADIATION Compliance to EN55022(CISPR22) CLASS B
EMS IMMUNITY Compliance to EN61000-4-2,3,4,6,8:ENV50204,EN55024,light industry level ,criteria A
OTHERS DIMENSION 99*97*36mm(L*W*H)
PACKING 0.38kg,45 PCS/17.8kg

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