120 watt AC-DC Power Supplies

Product Information

RD-120P Series are Single Output 120 Watt AC-DC Power Supplies, available in an Open PCB format.

RD-120P series 120 watt AC-DC Power Supplies have Universal AC Input from 90-264VAC with outputs of 12V, 15V, 18V, 19V, 24V, 30V, 32V, 36V and 48V.

RD-120P series 120 watt AC-DC Power Supplies have approvals to the UL60950-1 2nd edition, CSA22.2 60950-1 2nd edition and EN60950-1 2nd edition standard, offer Class B line emissions and will operate over a wide 0°C to +60°C ambient temperature range.


Features and Options
  • Industry Standard 3” x 5” Footprint
  • Universal AC Input
  • Outputs from 12VDC to 48VDC
  • 120 Watts Convection
  • Active Power Factor Correction
  • Class B EMI
Voltage Range 90-264VAC
Power Factor, full load >0.95 @ 115VAC | > 0.9 @ 230VAC
Frequency 47-63Hz
Current, RMS <2.5A @115VAC | <1.25A @ 230VAC
Inrush Current, cold start @ 25°C <30A Peak @ 115VAC | <60A Peak @ 230VAC
EMI Filter EN55022 Curve B, FCC20780 pt. 15J Curve B
Protection Internal Fuse
Total Output Power, Continuous, Max 120 Watts
Total Regulation 12V: ±3% | Other Voltages: ±2%
Ripple & Noise, Pk-Pk 1%
Holdup Time, full load @ 115VAC 16mS
Dynamic Response 300μS
Temperature Coefficient ±0.04%/°C
Minimum Load 0A
Overload Protection 105-150% Full Load, Auto Recovery
Overvoltage Protection Shutdown
Short Circuit Protection Auto Recovery
Efficiency 85% typical at Full Load, 115VAC
MTBF 100,000 Hours
Immunity EN61000-4-2, 3, 4, 5, 6, 8, 11
Safety Standards UL60950-1 2nd Ed., CSA22.2 No.60950-1 2nd Ed., EN60950-1 2nd Ed.
Operating Temp. Range 0°C to 60°C Ambient
Derating 2.5%/°C, 41°C to 60°C
Storage Temp. Range -10°C to +70°C
Humidity 10% to 95%, Non-Condensing
Cooling Natural Convection
Format Open PCB
Dimensions, inches (mm)

5.00 (127.0) L x 3.00 (76.2) W x 1.27 (32.2) H


0.68 lbs. (0.31 kg.)

Model Number Output Voltage Output Current Output Power
RD-120P-S12 12V 10.00A 120W
RD-120P-S15 15V 8.00A 120W
RD-120P-S18 18V 6.67A 120W
RD-120P-S19 19V 6.32A 120W
RD-120P-S24 24V 5.00A 120W
RD-120P-S30 30V 4.00A 120W
RD-120P-S32 32V 3.75A 120W
RD-120P-S36 36V 3.34A 120W
RD-120P-S48 48V 2.50A 120W

NOTE: All ratings for convection cooling.

CALL: +1-954-905-1070

EMAIL: the.power.solution@unipowerco.com