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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: Hengfu
  • Model Number: HF25W-SSM
  • Output Power: 1 - 50W
  • Output Type: Single
  • Input Voltage: 85-264VAC universal input
  • Output Voltage: 3.3 - 48V all available
  • Output Current: 0.57 - 6.0A all available
  • Dimensions: 78 x 51 x 28mm

Packaging & Delivery

Packaging Details: 0.18kgs/pcs, 99pcs/20kgs/0.045CBM per carton
Delivery Detail: 2-3 weeks for Switching Power Supply 25W Mini-Size CE Approved


Universal input
Miniature size, high power density
All 105C capacitors
Japanese brand for key components
CE marked

Switching Power Supply 25W Mini-Size CE Approved


Product features:

1) Universal AC input / full range

2) Miniature size, high power density

3) High reliability

4) 100% full load burn-in test

5) Built-in EMI filter

6) Over load/ over voltage/ short circuit protection

7) 5 years limited warranty

8) Dimensions: 78 x 51 x 28mm


AC input voltage range

88~264VAC (124~370VDC)

Input current0.7A
Input frequency47~63Hz
Inrush currentcold start, 15A/115V, 30A/230V
Input leakage current< 1mA/230VAC
Line regulation (full load)± 0.5%
Output voltage adjust range± 10%
Output overload protection105~150%, hiccup mode, auto recovery
Output over voltage protectionclamping by zenor diode
Withstand voltage

I/P-O/P: 3KVAC/1min, I/P-F/G: 1.5KVAC/1min, O/P-F/G: 0.5KVAC/1min

Rise time50ms@full load (typical)
Hold up time20ms@full load (typical)
Operating temperature-10°C ~+50°C
Storage temperature-20°C ~+85°C
MTBF> 100,000 hours
Safety standardsGB4943, UL60950, EN60950
EMC standardsGB9254, EN55022 class B, EN55024, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11
Vibration10~150Hz, 2G 10min/1cycle, 30min each along X, Y, Z axes
Cooling methodconvection


Model No.DC Output







HF25W-SSM-5 5V5A25W0.5% ± 2% 80mV 78%
HF25W-SSM-1212V 2.1A25.2W0.5% ± 1% 120mV 82%
HF25W-SSM-24 24V1.1A26.4W0.5% ± 1% 150mV 85%
HF25W-SSM-48 48V0.57A27.4W0.5% ± 1% 150mV 85%



Mechanical drawin of Switching Power Supply 25W Mini-Size CE Approved :




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China (Mainland) | Manufacturer, Trading Company
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