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mike44
Visitor
Nov 10, 2026 9:01 PM UTC

Identifying a part number

can i get help identifying this part 

 

1 reply

Peter BENSCH
Peter BENSCH
ST Technical Moderator
Nov 11, 2026 8:49 AM UTC

Welcome ​@mike44, to the community!

The marking looks like S21, but you should check it again from different angles and in good light. If that is correct, it is the STPS2H100A, which is a 100V, 2A Schottky rectifier.

Hope that helps?

Good luck with the repair!
/Peter

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