I'm having trouble identifying a SOD-123 diode marked 'S3L'.

I've found references to 'S3' in three data sheets:

enter image description here

It's the 'L' that's throwing me!

Thanks for any help!


1 Answer 1


I think it is a MBR130 / NRVB130 diode from Onsemi (dot below the marking).

Picture of a component in RS Components: enter image description here

  • 2
    \$\begingroup\$ Note that the X in the picture, and the L in the question, are noted on the datasheet as being the date code, so this character will differ based on when the part is made. \$\endgroup\$
    – Hearth
    Nov 18, 2023 at 21:49

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.