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Miniature Overvoltage Protection Circuit

Discussion in 'Electronic Components' started by Walter Contrata, Apr 4, 2004.

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  1. Greetings,

    Please advise me on overvoltage protection circuits of small size.

    I have an expensive circuit that can be damaged by overvoltage or ESD
    between the 3.3 V supply line and ground. I want to protect it, but
    the protection must be placed inside the package and so must be
    small. A single component or a few surface mount (SMD) components of
    the 402 (4 x 2 x 2 mil^3) or 201 (2 x 1 x 1 mil^3) type would be
    ideal. But do such components (say, clamps or discrete zener diodes
    and bipolar transistors) exist?

    Best Regards,
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