Discussion
Assertion (A): Assertion: A Schottky diode switches faster than a junction diode.
Reason (R): Reason: A Schottky junction stores very little minority carrier charge.
Select the correct answer from the options below.
Answer: B
Both hold and the second is the mechanism: reverse recovery time is the time taken to sweep out stored charge, and a metal-semiconductor junction stores almost none. The same physics gives the low forward drop, so the two advantages come together. Whenever a speed limit is traced to stored energy, the fast device is the one that stores less, which is a rule that holds well beyond diodes.
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