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How much power can be supplied to a Zener diode?

April 26, 2017diode power supplied zener

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How much power can be supplied to a Zener diode?

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We must refer to the Pd-Ta derating curve for the particular model. Looking at the derating curve for the UDZS series below, at 25ºC the power dissipation is approximately 200mW, while at 87.5ºC this decreases to 100mW. The type of board must be taken into consideration as well.