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Is 1N4007 OA79 silicon or germanium diode?

Anonymous

∙ 10y ago

Updated: 10/31/2022

The entire 1N40xx series of power diodes are all silicon.

The OA79 small signal diode is germanium.

Wiki User

∙ 10y ago

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Q: Is 1N4007 OA79 silicon or germanium diode?

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What is represented by 'A' in 'OA79' diode?

The symbol 'A' indicates that this device is made from germanium . as you may know germanium has less cut in voltage so this device is used for low power signal or for signal processing. also the leakage current or reverse saturation current of germanium is greater than silicon.

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