# Get a specific part number for SiT5501 components

**URL:** <https://forum.digikey.com/t/get-a-specific-part-number-for-sit5501-components/45186>\
**Category:** Crystals-Oscillators-Resonators\
**Tags:** part-numbering, oscillators, sitime\
**Created:** [September 25, 2024, 7:55am UTC](https://forum.digikey.com/t/get-a-specific-part-number-for-sit5501-components/45186 "2024-09-25T07:55:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![cyber](https://avatars.discourse-cdn.com/v4/letter/c/ecd19e/32.png) [@cyber](https://forum.digikey.com/u/cyber)\
**Post date:** [September 25, 2024, 7:55am UTC](https://forum.digikey.com/t/get-a-specific-part-number-for-sit5501-components/45186/1 "2024-09-25T07:55:20Z")

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Hi ,  
I consider use SIT5501A-WU-0002 or SIT5501A-WU-0001.

can you specify their full part number (like on SIT5501AE-WT-33N0-10.000000F)

thanks.

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**Author:** ![Craig\_2048](https://avatars.discourse-cdn.com/v4/letter/c/6a8cbe/32.png) [@Craig\_2048](https://forum.digikey.com/u/Craig_2048)\
**Post date:** [September 25, 2024, 12:08pm UTC](https://forum.digikey.com/t/get-a-specific-part-number-for-sit5501-components/45186/2 "2024-09-25T12:08:50Z")

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cyber

Thank you for contacting DigiKey , for part number [SIT5501A-WU-0002](https://www.digikey.com/en/products/detail/sitime/SIT5501A-WU-0002/21318780) that is the old part number SIT5501AI-WU033JH-10.000000 .  
And for part number [SIT5501A-WU-0001](https://www.digikey.com/en/products/detail/sitime/SIT5501A-WU-0001/21318776) that is old part number SIT5501AI-WU-33N0-10.000000 , the old part numbers are also shown on the web site info pages for those parts , scroll down the page and they are listed under Additional Resources , Other Names .

Thanks Craig

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<div class="post-metadata">

**Author:** ![cyber](https://avatars.discourse-cdn.com/v4/letter/c/ecd19e/32.png) [@cyber](https://forum.digikey.com/u/cyber)\
**Post date:** [September 25, 2024, 12:32pm UTC](https://forum.digikey.com/t/get-a-specific-part-number-for-sit5501-components/45186/3 "2024-09-25T12:32:27Z")

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> [@Craig\_2048](#):
>
> SIT5501A-WU-0002

thanks for helpful answer