# Code Identification

**URL:** <https://forum.digikey.com/t/code-identification/58984>\
**Category:** Discrete Semiconductor Products\
**Tags:** mcc-micro-commercial-components, part-identification, transistors\
**Created:** [August 18, 2025, 1:49pm UTC](https://forum.digikey.com/t/code-identification/58984 "2025-08-18T13:49:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![frank.dassau](https://avatars.discourse-cdn.com/v4/letter/f/3d9bf3/32.png) [@frank.dassau](https://forum.digikey.com/u/frank.dassau)\
**Post date:** [August 18, 2025, 1:49pm UTC](https://forum.digikey.com/t/code-identification/58984/1 "2025-08-18T13:49:39Z")

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Can anyone help identify a SOT23-6 ic witk marking 445V or 4456?

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**Author:** ![Brent\_2328](https://avatars.discourse-cdn.com/v4/letter/b/839c29/32.png) [@Brent\_2328](https://forum.digikey.com/u/Brent_2328)\
**Post date:** [August 18, 2025, 2:07pm UTC](https://forum.digikey.com/t/code-identification/58984/2 "2025-08-18T14:07:14Z")

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Hello @frank.dassau,

Thank you for your post.

The part you are looking for might be [SMBT445V6A-TP](https://www.digikey.com/en/products/detail/mcc-micro-commercial-components/SMBT445V6A-TP/22122579).

It has the marking 4456A according to the datasheet.

[https://www.digikey.com/en/products/detail/mcc-micro-commercial-components/SMBT445V6A-TP/22122579](https://www.digikey.com/en/products/detail/mcc-micro-commercial-components/SMBT445V6A-TP/22122579)