MCM Electronics

1-19.99V, 9.999A Switching DC Power SupplyMCM Part #: 73-1025  |  B&K Precision Part #: 1665

1-19.99V, 9.999A Switching DC Power Supply 3 stars from 1 review.
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The 1665 Switching DC Power Supply uses new switching technologies to offer more power at a lower cost than traditional linear power supplies.

Product Description

  • Over voltage protection
  • Constant voltage operation
  • Constant current operations
  • Presetting current limiting value
  • Designed with course and fine output voltage and current limiting controls.


  • Ripple and noise: 20mV
  • Line regulation: 20mV
  • Input voltage: 90~265VAC; 50/60Hz
  • Meter accuracy: 1%+2 counts
  • Dimensions: 4.5"(H) x 8"(W) x 10.8"(D)
  • Weight: 6.6 lbs.

  • Product Reviews

    • "OK, but a bit delicate" by tarchon on 2/6/2009
      Overall: 3 out of 5

      We bought one of these recently - it seems to work OK under normal circumstances, but I thought I should note that its short circuit protection seems to be a little inadequate to really protect it from damage. The short bar was inadvertently left in place when it shouldn't have been (don't you hate those things?) and the resulting short smoked it permanently, despite the fuse blowing and the current limiter being on a relatively low setting (the voltage was at max though). Our 1665 (RIP) did what it was supposed to in most other respects, but it doesn't seem to be as robust as a lot of power supplies.

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    Associated Products

    Image of Oscilloscope/Test Equipment Cart

    21-1925 - Oscilloscope/Test Equipment Cart

    •Slanted top allows technician to view equipment at a convenient angle •Lower shelf for storage •Heavy-duty casters •Adjustable back support with bumpers prevents damage to equipment •Gray •

    In Stock


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    Package Specifications & Dimensions
    Weight:8.35 lbs.
    Warranty:90 days
    Need to Return?
    Length:12.75 in.
    Width:10.25 in.
    Height:6.25 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
    Catalog Pages

    MCM Cat 57, Page 1267

    MCM Cat 56, Page 1105

    PDF Reference

    Requires Adobe Acrobat Reader.

    Mfr. Info

    B&K Precision Logo
    Mfr. Name:B&K Precision
    Mfr. Part Number:1665