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Quick Details

  • Place of Origin: China
  • Brand Name: Hengfu
  • Model Number: HF20W-PLD
  • Output Power: 1 - 50W
  • Output Type: Single
  • Input Voltage: 90 - 264VAC
  • Output Voltage: 9~48V, 9~30V
  • Output Current: 350mA, 700mA
  • Dimensions: 118 x 35 x 26mm

Packaging & Delivery

Packaging Details: 0.20kgs/pcs
Delivery Detail: 2-3 weeks


Plastic cover, IP67 design
Constant current
All 105C capacitors
Japanese brand for key components
20 years factory

Product features:

1) Universal AC input/ full range

2) Plastic cover, IP 67 design

3) Constant current design

4) Isolation class 2, no PE

5) Suitable for ourdoor or damp locations

6) 100% full load burn-in test

7) Protections: over voltage/ short circuit

8) 2 years warranty 


AC input voltage range

90~264VAC (127~370VDC)

Input frequency47~63Hz
Inrush currentcold start, 35A/115V, 70A/230V
Input leakage current< 0.25mA/230VAC
Line regulation (full load)± 0.5%
Output overload protection± 5% current limiting, auto recovery
Output over voltage protection115~150%, shut off, re-power on to recover
Withstand voltage

I/P-O/P: 3.75KVAC/1min

Rise time50ms@full load (typical)
Hold up time20ms@full load (typical)
Operating temperature-30°C ~+50°C
Storage temperature-30°C ~+85°C
MTBF> 100,000 hours
Safety standardsdesign refer to UL1310 class 2, UL8750, EN60950
EMC standardsdesign refer to EN55022 class B, EN61000-3-2 class A, EN61000-3-3, EN61000-4-2,3,4,5,6,8,11, EN61547 
Vibration10~150Hz, 2G 10min/1cycle, 30min each along X, Y, Z axes
Cooling methodconvection


Model No.DC Output



HF20W-PLD-3509~48V350mA± 5% 200mV 86%
HF20W-PLD-7009~30V700mA± 5% 200mV 84%



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China (Mainland) | Manufacturer, Trading Company
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