The document provides the electrical specifications of the DPS-300PB-1 series power supply produced by Delta Electronics, Inc. The power supply features a wide input range, adjustable frequency, high efficiency, and EMI/RFI certification.
The DPS-30OPB-1 Series is a desktop PC power supply designed to meet Intel ATX12V 1.2 standards. It offers a 300 W maximum output, fan speed control, and multiple protection features such as short‑circuit, over‑voltage, and passive PFC.
Key specifications include a total continuous power output of 300 W, combined +3.3 V/+5 V power of 180 W max, efficiency greater than 65 % at 115/230 V, and an MTBF exceeding 100 k hours. The unit operates in ambient temperatures from 5 °C to 40 °C and can be stored from –40 °C to 70 °C.
| Maximum Power | 300 W |
|---|---|
| Total Continuous Power Output | 300 W |
| Combined +3.3 V & +5 V Power | 180 W max |
| Efficiency | >65 % @ 115/230 V |
| MTBF | >100 k hours |
| Operating Ambient Temperature | 5 °C – 40 °C |
The unit can deliver up to 300 W of maximum power.
It accepts 90‑132 V AC or 180‑264 V AC, selectable, single‑phase, 50‑60 Hz.
The supply provides short‑circuit latch‑off, over‑voltage protection for +3.3 V, +5 V, +12 V, and passive PFC (optional).
Efficiency is greater than 65 % at both 115 V and 230 V input.