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SRFE1164 replacement

Discussion in 'Electronic Repair' started by [email protected], Apr 10, 2007.

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  1. Guest


    I need to replace a couple of motorola SRFE1164 transistor in a failed
    RF amplifier. There seem to be no trace of a datasheet for this
    transistor on the net (motorola is the best for unknown parts afaik).
    A search on google revealed that the MRF422 might be an equivalent
    part. Does anyone have a datasheet for the SRFE1164? I'd hate spending
    money for a matched pair of MRF422 and discovering they don't work in
    the place of the unknown SRFE1164.

    Francesco IZ8DWF

  2. There never were any data sheets. Any Motorola part with a SRF number
    was a custom marked RF transistor so the OEM would be the only one who
    knew what it was. You can either contact the OEM, or check with some of
    the places that sell repair parts for ham radio gear. A lot of these
    designs have been reverse engineered, and they know what will replace

    Motorola is not the only company to print OEM markings. Look at an
    old IBM mainframe and see all the different IC makers with custom IBM
    numbers on the parts.

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
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