3.3 Volt Enclosed Switch Mode DC Power Supply 3.3V 20A 100W PSU

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Quick Overview

3.3V 20A 100W. Highly reliable, universal AC input/full range single output power supply. UL and CE approved. RoHS compliant.


3.3V 20A 100W

Highly reliable universal AC input, full range single output power supply. UL and CE approved.

100% full load burn-in tested.

Overload, over-current and over-voltage protection. Short circuit protection.

2 year manufacturer’s warranty.

Dimensions: 7.96” x 3.92” x 1.6".

Complies with RoHS Directive.


  • AC Input Voltage Range: 85-264VAC (120-370VDC) (AC Input Voltage Range: 85-132/ 170-264VAC Selected by Switch)
  • Input Frequency: 47-63Hz
  • Inrush Current: Cold Start, 20A/115V, 40A/230V
  • Input Leakage Current: <0.7mA/230V
  • Line Regulation (Full Load):
  • Output Voltage Adj. Range: +/- 10%
  • Output Overload Protection: 110-130% Constant Current, Auto Recovery
  • Output Over Voltage Protection: 115-150%
  • Withstand Voltage: I/P-O/P:3.0KVAC/1min; I/P-F/G:1.5KVAC/1min; O/P-F/G:0.5KVAC/1min
  • Rise Time: [email protected] load (typical)
  • Hold Up Time: [email protected] load (typical)
  • Operating temp.& humidity: -10degreesC to 50degreesC (14degreesF - 122degreesF), 20%-93%RH (non-condensing)
  • Storage temp.& humidity: -20degreesC to 85degreesC (-4degreesF - 185degreesF), 20%-93%RH (non-condensing)
  • MTBF: 100,000 hours
  • UL Ref. Number: E258719
  • Safety Standards: GB4943, UL80950, EN60950
  • EMC Standards: GB9254, EN55022 classB, EN55024, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11
  • Cooling Method: Convection

Additional Information

Brand Heng Fu
Output 3.3V DC