EFA-250
1U Power Supply
Power Factor Correction (PFC)
300W, 6 Output, Meets ATX 12V
Special Features Electrical Specifications
  • 250W of total power
  • Universal power input with active power factor correction, PF>0.95
  • Harmonic distortion meets the EN61000-3-2 standards
  • Two ball bearing DC fans (40 x 40 x 20mm)
  • Over voltage protection
  • Over current protection
  • Over power protection
  • Short circuit protection
  • Aluminum casing
  • W x H x D: 83 x 40 x 269.5mm
  • MTBF>100,000 hours
  • 2 year warranty

Input:

  • Input Range: 100~240 VAC
  • Input Frequency: 47-63 Hz
  • Input Current of 5 amps @ 115VAC/2.5 amps @ 230VAC
  • Efficiency is > 70% at full load and nominal AC input voltage
  • FCC Part 15, Class B; CISPR 22(EN55022), Class B; VCCI Class2

Output:

  • Maximum power of 250W
  • Hold-up time of >= 20mS at full load and nominal AC input voltage
  • Over Voltage Protection set at 110-130% of 5V, 3.3 and 12V outputs
  • Over Current Protection set at +5V, +3.3V, 110%~130% +12V, 120%~150%
  • Over Power Protection of tatal putput 110-130% max
  • Power Good Signal is TTL compatible - Signal goes high after turn-on and +5V reach to 4.75V 100-500ms. Signal goes low at least 1ms before the +5V loss of regulation
Environmental
  • 0-50°C Operating Temperature
  • Operating Humidity 20~90% non-condensing
  • MTBF > 100,000 hours at 75% load and 25°C ambient conditions
Certifications: FCC, CE, cUL, Nemko, VDE
OUTPUT SPECIFICATIONS
Voltage +5V +3.3V +12V -5V -12V 5VSB
Max. Load (A) 25 20 13 - 0.8 2

Min. Load (A)

 2 0 0.5 - 0 0
Load Reg. +/- 5% +/- 3% +/- 5% - +/- 5% +/- 5%
Cross Reg. +/- 5% +/- 3% +/- 5% - +/- 5% +/- 5%
Line Reg. 1% 1% 1% - 1% 1%
Ripple and Noise 1% 1% 1% - 1% 1%

Note1: +5V & +3.3V combined output 145W maximum
Note2: +%V & +3.3V and +12V comined output 230W maximum