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Thread: What does this diode do?

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    Question What does this diode do?

    iMarkup_20201006_212513.jpg
    iMarkup_20201006_212551.jpg
    (Below is the downgrade of the product above.)

    This is next to NTC and I have been told this is a relay substitute. (There is no relay on this PSU)

    Some say it's TVS, but I know TVS as a substitute for MOV. So I don't think so.

    What exactly is this and what does it do?

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    Just a guess:

    Could it be a diode to protect the transistor from the coil's inductive kick? (some power transistors have a built in flyback diode).
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    Last edited by ashiekh; 10-06-2020 at 07:33 PM.

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