# I need help to identify these smd Diode!

**URL:** <https://forum.digikey.com/t/i-need-help-to-identify-these-smd-diode/38575>\
**Category:** Circuit Protection\
**Tags:** central-semiconductor-corp, part-identification, transient-voltage-suppressors-tvs\
**Created:** [February 6, 2024, 10:29am UTC](https://forum.digikey.com/t/i-need-help-to-identify-these-smd-diode/38575 "2024-02-06T10:29:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![nurettin](https://avatars.discourse-cdn.com/v4/letter/n/0ea827/32.png) [@nurettin](https://forum.digikey.com/u/nurettin)\
**Post date:** [February 6, 2024, 10:29am UTC](https://forum.digikey.com/t/i-need-help-to-identify-these-smd-diode/38575/1 "2024-02-06T10:29:13Z")

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Hi. Is there any one knows hvat is this 2 component.

Thansk

 ![ApplicationFrameHost_fcvYRJk8dT](https://global.discourse-cdn.com/digikey/original/3X/1/1/11c1193e742278f68ddcad155ee949a042b37569.jpeg)

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**Author:** ![chris\_groom](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/chris_groom/32/54044_2.png) [@chris\_groom](https://forum.digikey.com/u/chris_groom)\
**Post date:** [February 6, 2024, 2:53pm UTC](https://forum.digikey.com/t/i-need-help-to-identify-these-smd-diode/38575/2 "2024-02-06T14:53:35Z")

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Hello! Thanks for posting, it looks to me like these are a pair of TVS diodes based on the information I’ve found searching for those top marks. The generic part number is SMCC12CA, with our best match being Digi-Key number [1514-3SMC12CATR13PBFREECT-ND](https://www.digikey.com/en/products/detail/central-semiconductor-corp/3SMC12CA-TR13-PBFREE/5212457).

It looks to me like that should be a good replacement, however I do recommend reviewing the specifications, and making sure the size matches the dimensions of your diodes. It should at least be close enough to make solid contact with the solder pads.

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**Author:** ![David\_1528](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/david_1528/32/47212_2.png) [@David\_1528](https://forum.digikey.com/u/David_1528)\
**Post date:** [February 7, 2024, 2:29pm UTC](https://forum.digikey.com/t/i-need-help-to-identify-these-smd-diode/38575/3 "2024-02-07T14:29:18Z")

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@chris_groom has found the right TVS type diodes to match yours. [Here](https://www.digikey.com/short/845wt4m0) are some others which should also do, some a bit more affordable.