Mosfet replacement in an inverter

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M55
M55 Registered Users Posts: 2 ✭
in Caravan, Recreational Vehicle, and Marine Power Systems #1
Hi guys.

No sure if any of you know the 15j321 transistor. I need a replacement for it.

Any suggestions?
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  • Aguarancher
    Aguarancher Solar Expert Posts: 315 ✭✭✭
    #2
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    You can try https://www.digikey.com/

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  • mike_s
    mike_s Registered Users Posts: 155 ✭✭
    #3
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    STGF15H60DF maybe?
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  • M55
    M55 Registered Users Posts: 2 ✭
    #4
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    Thanks a lot guys. Really appreciate the help
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  • jonr
    jonr Solar Expert Posts: 1,386 ✭✭✭✭
    #5
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    AFAIK, it's an IGBT.  I'd just go on ebay and buy an exact replacement.

    I am available for custom hardware/firmware development

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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #6
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    Be sure to check the transistor driver circuits, they are often blown when the FET fries.  And often the bias has to be balanced.
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  • kc8adu
    kc8adu Solar Expert Posts: 50 ✭✭✭
    #7
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    jonr said:
    AFAIK, it's an IGBT.  I'd just go on ebay and buy an exact replacement.
    high probability of a counterfeit esp from china.
    stick with digikey,mouser,ect.
    while only 1 is shorted often others are wounded.
    and the driver is often damaged as mentioned.


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  • jonr
    jonr Solar Expert Posts: 1,386 ✭✭✭✭
    #8
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    Digikey and Mouser are usually a good idea.  In this case, they don't have an exact match.

    I am available for custom hardware/firmware development

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