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Quick Details

  • Place of Origin: China
  • Brand Name: Hengfu
  • Model Number: HF25W-SPL
  • Output Power: 1 - 50W
  • Output Type: Single
  • Input Voltage: 85 - 264VAC
  • Output Voltage: 3 - 48V all available
  • Output Current: 0.5 - 5A all available
  • Dimensions: 107 x 61 x 28mm

Packaging & Delivery

Packaging Details: 0.15kgs/pcs for 25W Open Frame Power Supply
Delivery Detail: 2-3 weeks for 25W Open Frame Power Supply


Universal input
Miniature PCB structure
All 105C capacitors
Japanese brand key components
CE marked

25W Open Frame Power Supply

Product features:
1) Universal AC input / full range
2) High reliability
3) Miniature PCB structure
4) Built-in EMI filter
5) 100% full load burn-in test
6) Protections: over load/ over voltage/ short circuit
7) Free air convection cooling
8) 5 years limited warranty
9) Dimensions: 107 x 61 x 28mm


AC input voltage range

85~264VAC (120~370VDC)

Input current0.7A
Input frequency47~63Hz
Inrush currentcold start, 20A/115V, 40A/230V
Input leakage current< 1mA/230VAC
Line regulation (full load)± 0.5%
Output voltage adjust range±10%
Output overload protectionbuilt-in IC protection, hiccup mode, auto recovery
Output over voltage protection115~150%, shut off, re-power on to recover
Over temperature protection

IC, Tj: 135°C , power shutdown

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-SPL-5 5V5A25W0.5% ± 2% 80mV 74%
HF25W-SPL-1212V 2.1A25.2W0.5% ± 1% 120mV 81%
HF25W-SPL-24 24V1.1A26.4W0.5% ± 1% 150mV 81%
HF25W-SPL-48 48V0.5A24W0.5% ± 1% 150mV 84%



Mechanical drawing of 25W Open Frame Power Supply:





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China (Mainland) | Manufacturer, Trading Company
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