poll I would like to use zener diodes to protect the MCU GPIO pins when driving MOSFETs directly. Is the HZ5C2 a reasonable choice for this? I would prefer the HZ5C3 because I don't like wasting precious electrons or gate potential down the zener unnecessarily but the HZ5C2 is more readily available…

Zener voltage for protection of GPIO

badrequest September 11, 2021, 6:04pm 8

I don't think the Zener could be destroyed because the power on it would be only about 0.3 watts.

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