MCM Electronics

300W AT Power Supply with Active PFCMCM Part #: 83-12289  |  Sparkle Power Part #: SPT300PFB-B

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This 300 Watt AT style power supply is great for replacing those worn out power supplies in otherwise good older AT-style computers.

Product Description

  • Active Power Factor Correction (PFC) meet EN61000-3-2
  • High efficiency and reliability
  • Remote ON/OFF function
  • Internal 12V DC fan included
  • Low noise and ripple
  • Output over voltage, short circuit, and over current protection
  • 100% Hi-pot, ATE, and burn-in tested
  • Input: 90~264VAC, 50~60Hz
  • Output: +5V, +12V, -5V, -12V
  • Temperature Range: Operating: -30°C ~ +50°C; storage& shipping: -20°C ~ +80°C
  • Humidity: 5 ~ 95% on operating, 5 ~ 95% on storage
  • Dielectric Withstand:Primary frame ground 1800V AC for1 second
  • Efficiency: 75% minimum, typical up to 80%
  • Rise time: Less than 20ms
  • Hold-up Time: 17ms minimum at nominal input voltage
  • Power Good Signal:Power on delay time 100 ~ 500ms, off delay 1ms minimum (TTL and CMOS compatible)
  • Leakage Current: Less than 3.5mA at 264Vac,50Hz
  • MTBF: 100,000 hours on maximum load at +25°C
  • Dimensions (LxWxH): 5.5" x 5.9" x 3.4" / 140mm x 150mm x 86mm

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Associated Products

Image of Computer Power Supply

83-0830 - Computer Power Supply "Y" Cable

For use when adding additional disk drives. 4 pin molex type male to two females. Cable length: 4".

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Package Specifications & Dimensions
Weight:3.99 lbs.
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:9.5 in.
Width:8.25 in.
Height:4.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 344

MCM Cat 56, Page 320

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Sparkle Power Logo
Mfr. Name:Sparkle Power
Mfr. Part Number:SPT300PFB-B