[Boatanchors] Looking for Equivalent / Substitute Transistor

[Dave Merrill]

Look under "Technical Characteristics". Should help you find a substitute.

https://www.iso-group.com/NSN/5961-00-261-6531

On Mon, May 23, 2022, 6:24 PM William Morton <w_b_morton at hotmail.com> wrote:

> Hello All,
>
> My son has an older Kepco model JQE 36-15 solid state power supply that
> worked quite well for lighting filaments of his transmitting tubes.
> Unfortunately it suddenly stopped working and he is in the process of
> troubleshooting the issue.
>
> His efforts thus far have pointed him to transistor Q2 in the unit.  He
> pulled it out and our little transistor tester indicated a failed
> component.  The marking on the top of the case is "STI 119 0094".  When I
> look in a download copy of the manual, I see Q2 vendor part number "M.S.
> Transistor 119-0094".  I imagine the unit was built with a part from a
> different vendor.
>
> Does anyone know an equivalent substitute?  I have looked all around the
> web and have had no luck even finding a nice table with "119-0094" in it.
>
> Thanks in advance for any helpful suggestions.  Hopefully a replacement
> part will fix the issue and he can get back to his work.
>
> Best Regards,
>
> William
>
>
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