Question

What is the real cause of Avalanche Breakdown in pn junction diodes?​

Answer 1

Answer:

Avalanche breakdown is caused by impact ionization of electron-hole pairs. A very little current flows under reverse bias conditions and depletion region increases. The electric field in the depletion region of a diode can be very high. Electron/holes that enter the depletion region undergo a tremendous acceleration.

Explanation:

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Answer 2

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