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Replacement part

Question asked by wuli on Oct 1, 2015
Latest reply on Oct 7, 2015 by keysight-guy

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Hi,
I have an E3640A PS that became faulty. I've located the defective part. It's U110 a CS8122 voltage regulator. I can't find a replacement part on the parts site and this voltage regulator became obsolete. Can you give me a part number that's compatible with this one?
Thank you.
John

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keysight-guy Oct 5, 2015 11:16 AM
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Hi John,
Do you have a Keysight part number in the form xxxx-xxxx? That would really help me locate a replacement.
Thanks
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- wuli @ keysight-guy on Oct 6, 2015 12:03 AM
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  I'm very sorry but there are no part numbers included in the user/service manual. The manual just states U110. The defective part is a CS8122 voltage regulator from ON Semiconductor. On their website this part is listed as obsolete. I've all-ready contacted digikey but they don't have this voltage regulator in stock anymore. So I'm sure there must be a compatible replacement for this. That's all I need. I hope you can help me out...
  Thank you,
  John
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  - keysight-guy @ wuli on Oct 7, 2015 1:22 PM
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    Sorry but I'm afraid I can't provide any more guidance on this. Keysight doesn't officially provide component level support for this product and without an official part number there's not really anything else I can do.
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