Dimensions : 140 x 150 x 86mm
Application : Desktop
Watt : 300W


This specification describes a 300 watts power supply. With +5V stand-by, second 12V rail and remote ON/OFF control for ATX-12V system and a “Power factor collector (PFC)” circuit to meet EPA requirement of input range with in 115V/60HZ & 230V/50Hz.



Model Name FSP300-60EPN(80)
Wattage 300W
Dimension 140mm (L) × 150 mm (W) × 86mm (H)
Product Highlight Efficiency Level 80Plus Silver
Erp Lot <0.5W
Input Voltage 100~240Vac
General Specification Effciency 82%@ 20% load; 85%@ 50% load; 82%@ 100% load
PWOK Delay Time 500ms > PWOK > 100ms
EMC performance EN55022 class B
Input Electrical Specification Input Frequency 47 ~ 63 Hz
Input Current 5 Amp (maximum) at 115 Vrms/ 60 Hz
2.5Amp (maximum) at 230 Vrms/ 50 Hz.
Output Specification Output Rise Time +3.3V 20mS (maximum)
+5V 20mS (maximum)
+12 V1 20mS (maximum)
+12 V2 20mS (maximum)
-12 V 20mS (maximum)
Environmental Requirement Temperature Range Operating : 0 to +25℃
Storage :-40 to +70℃
Humidity Operating : 85% to % RH, Non-condensing
Storage : 95% to % RH, Non-condensing
MTBF The power supply reliability, when calculated by “Bellcore” latest revision are exceed 100,000 hours with all output at maximum load and an ambient temperature of 25℃.

The special requirement is for cooling fan that MTTF be guarantee over 30,000 hours at 25℃ ambient temperature.

Output Voltage and Current Rating

+3.3V +5V +12V1 +12V2 -12V +5Vsb
Ripple-Noise(R-P) mV 50mV 50mV 5mV 120mV 200mV 50mV
Regulation Load % ±5% ±5% ±5% ±5% ±10% ±5%
Output Max.(A) 21A 15A 15A 15A 0.3A 2.5A
Output Min.(A) 0.5A 0.3A 0.5A 0.5A 0A 0A


  • +3.3V & +5V total output not exceed 103W.
  • When +5V is load to 15A, the +3.3V maximum load is 8.5A.
  • When +3.3V is load to 21A, the +5V maximum load is 6.7A.
  • +12V1 & +12V2 total output not exceed 252W

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