• 300W 6 Output, AC Input design
  • Operating temperature range from 0˚C to 50˚C
  • Build in DC remote ON/OFF , PG/PF TTL signal
  • Build in a 12cm Sleeve fan
  • Compiles with FCC Class B,CISPR Pub. 22,
  • EN55022 Class B, and CE requirements
  • UL/cUL E222785, TUV and CB EN 60950 certified
  • MTBF: 100kHrs Minimum.

DP-300 300W ATX PS2 Power Supply Description

The DP-300 300W ATX PS2 Switching Power Supply is an industrial grade ATX switching power supplies. This power supply features triple circuit protection and are designed to fit perfectly into your Tower Case, Server Case or 4U Rackmount chassis.

AC Input
Input Voltage: 110V/230V
Efficiency: >68% @ full load ,nominal line
Input Current: 9A/5A max
Inrush Current: 80A max @230Vac 25˚C cold start
Input Frequency: 47~63 Hz
Leakage Current: 3.5mA max.

Power Good Signal: 100ms~500ms, TTL compatible signal
Power Fail Delay: >1msec. ,TTL compatible signal
PS-ON: Power off:PS-ON = 2V min. ;Power on:PS-ON = 0.8V max.

Operating Temperature: 0˚C to 45˚C
Storage Temperature: -20˚C to +70˚C
Operating Humidity: 20% to 90%,non-condensing
Storage Humidity: 5% to 95%, non-condensing

Safety & EMI/RFI
Safety Standards: UL,cUL,TUV,CB
EMI/RFI Standards: CISPR22(EN55022) Class A, FCC Part15 Class A

MTBF: 100,000 hours
Cooling: 8 cm DC Fan
Dimension(DxWxH): 140 mm x 150 x 86 mm

DC Outputs

Output Voltage Regulation Min .Load Max .Load Ripple
V1 +5V ±5% 0.5A 26.0A 50mV
V2 +12V1 ±5% 1.0A 8.0A 100mV
V3 +12V2 ±5% 1.0A 14.0A 100mV
V4 +3.3V ±5% 0.5A 20.0A 50mV
V5 -12V ±10% 0.0A 0.3A 150mV
V6 +5VSB ±5% 0.0A 2.0A 50mV


• The continuous total output power is 300W max
• The combined power of +5V and +3.3V is shall not exceed 185W

20 + 4 pin P4 MB peripheral FDD SATA
20+4 Pin P4 MB Peripheral FDD SATA
X 1 X 1 X 4 X 2 X 1