very rare datasheet - SCR ( A69157)

Thread Starter

micropad

Joined Dec 24, 2011
87
Hi team Have a nice day

It would be grate help
I searched on google about this SCR ( A69157) for datasheet but I could not find the datasheet

It would be a grate help if anyone can help to have the datasheet for this SCR

Please see the attached image for device

Thanks in advanced
 

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Sigma229

Joined Apr 17, 2019
34

Wolframore

Joined Jan 21, 2019
2,564
If you are replacing, I suggest a parametric search for Teccor SCR, who was purchased by littlefuse, their SCRs start with “S” so the A might mean a manufacturer part. Find a suitable device based on current and voltage. I’m guessing this might be for an AC circuit of some sort, perhaps for dimming or motor?
 

Ian0

Joined Aug 7, 2020
5,816
Do you know the maximum current and maximum voltage in the circuit? Can you work out the gate current?
if so, that‘s all you need to know to substitute a thyristor that is available.
 
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