MCM Electronics

Heavy Duty 25 Amp Switch Mode Power SupplyMCM Part #: 72-7670  |  Tenma Part #: 72-7670

Heavy Duty 25 Amp Switch Mode Power Supply 3.8 stars from 3 reviews.
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Heavy Duty 25 Amp Power Supply
High current supply is a popular choice for servicing automotive electronic devices and communications equipment. Variable 3 ~ 15VDC voltage range is suitable in a wide range of troubleshooting and repair applications. Efficient switch mode design provides high output current in a compact lightweight package. Whisper quiet fan cooling ensures reliable, long–term operation. Front panel 3/16" diameter binding posts accepts banana plugs or spade terminals, providing convenient access for loads up to 25A.

Product Description

  • Bright Dual LED displays
  • Large 5/8" digits
  • Simultaneously shows output voltage and current
  • Display accuracy to 0.1V, 0.1A
  • Excellent load and line regulation
  • Low ripple and noise
  • Overvoltage, overload, temperature and short circuit protection
  • Detachable IEC power cord

  • Output Voltage: 3 ~ 15VDC
  • Output Current: 25A
  • Load regulation: 200mV
  • Line regulation: 50mV ±10%
  • Ripple and noise: 5mV (RMS)
  • Power requirements: 120VAC, 60Hz
  • Dimensions: 4 1/4" (H) x 8 3/4" (W) x 8 3/4" (D)
  • Weight: 6.6 lbs.

  • Product Reviews

    • "Noisy Fan detracts from value." by gewieland3 on 2/10/2012
      Overall: 3 out of 5

      A nice basic design. Good voltage & current displays. Not sure about taking 25A from front binding posts. Unfortunately, fan runs continuously even under no load. I found this noise unacceptable, and returned the product. Evidently my definition of "whisper quiet" is quieter than the suppliers.

    • "25 amp Switch Mode Power Supply" by kb5tdy on 3/24/2011
      Overall: 4 out of 5

      I use this on my ham radio and it works beautifully! Light in weight but heavy duty in power.

    • "Workhorse.." by ccronn on 6/14/2010
      Overall: 4.5 out of 5

      Ok so if it is a workhorse, this unit is a clydesdale.

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    Package Specifications & Dimensions
    Weight:7 lbs.
    Warranty:365 days
    Need to Return?
    Length:12.25 in.
    Width:11 in.
    Height:5.5 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
    Catalog Pages

    MCM Cat 57, Page 1267

    MCM Cat 56, Page 1104

    PDF Reference

    Requires Adobe Acrobat Reader.

    Mfr. Info

    Tenma Logo
    Mfr. Name:Tenma
    Mfr. Part Number:72-7670