Marking B4?

_mik81 · ‎2024-01-16

hi Peter, have looked a lot around but i couldn't found what stand for marking B4.
could you please help me?

thanks a lot,

Michele

Peter BENSCH · ‎2024-01-16

This is the obsolete fast recovery rectifier SMBY01 in package SMB, which can be replaced by the (faster) alternative STTH1R04U .

Hope that helps?

Good luck!
/Peter

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Peter BENSCH · ‎2024-01-16

Welcome @_mik81, to the community!

Can you please upload a photo so that the marking can be recognised?

Thanks and regards

/Peter

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_mik81 · ‎2024-01-16

hi Peter,

ST E
B4

Z939

thanks a lot

Peter BENSCH · ‎2024-01-16

This is the obsolete fast recovery rectifier SMBY01 in package SMB, which can be replaced by the (faster) alternative STTH1R04U .

Hope that helps?

Good luck!
/Peter

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

_mik81 · ‎2024-01-16

wow, thank you so much!