Seasonic SS-250SU Flex ATX. SS-250SU APFC 250W

Input Voltage

90Vac ~ 264Vac

Input Frequency

47 ~ 63Hz

Input Current

5A at 240Vac

Inrush Current

100A peak, cold start

Maximum Power

250W

Peak Power

275W

Line Regulation

±1%, typically

Load Regulation

±5%, typically

Cross Regulation

±5%, typically

Dielectric Withstand Voltage

I/P-FG, I/P-O/P: 1800Vac, 1sec.

Efficiency

80% typically at 220-240Vac

75% typically at 100-120Vac

Output Power Protection

135% total power maximum, shut down and latch off

Over Voltage Protection

Shutdown and Latch off the group 1 outputs

Short Curcuit Protection

Short between any output of group 1 will shut down all group 1

Short at group 2 will shutdown both group 1 & group 2

Reset After Shutdown

The power supply will return to normal operation once fault removed

and power switch has been cycled off/on with a min off time of 20mS

PFC

>0.95 at 220Vac, >0.98 under full load

Operating Temperature

0°C to 50°C

Operating Humidity

20% to 85% RH

Storage Temperature, Humidity

-40°C to +85°C, 10% to 95%

MTBF

100,000 hours

Safety

Confirms to EN60950 Standards: TUV, CB, cUL

EMC

EN50081-1, EN55024, FCC Class B

EN55024, EN61000-3-2, CE

SS-250SU

+3.3V

0.3A

12A

±5%

50mV

3.76 ~ 4.8V

+5V

0.5A

15A

±5%

50mV

5.7 ~ 7.0V

+12V1

1A

8A

10A

±5%

120mV

15.6V

+12V2

1A

14A

16A

±5%

120mV

15.6V

-12V

0A

0.8A

±10%

120mV

+5Vsb

0A

2A

2.5A

±5%

50mV