Question:
The maximum time for the diode to switch from ON to OFF is called
The maximum time for the diode to switch from ON to OFF is called
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Fast-switching diodes have very small reverse recovery time and are preferred in high-frequency circuits.
Updated On: Jun 25, 2026
- Rise time
- Fall time
- Saturation time
- Reverse recovery time
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The Correct Option is D
Solution and Explanation
Concept:
When a diode changes from forward-biased (ON state) to reverse-biased (OFF state), it does not stop conducting immediately.
Stored charge carriers in the junction require some finite time to be removed.
Step 1: Understand diode switching.
Initially the diode conducts current in the forward direction. When reverse voltage is suddenly applied, the stored minority carriers must first be swept away.
Step 2: Define reverse recovery time.
The time interval required for the diode current to reduce from its forward value to the reverse leakage current level is called reverse recovery time. It is denoted by \[ t_{rr}. \]
Step 3: Identify the correct switching parameter.
The maximum time needed for a diode to switch from ON state to OFF state is therefore \[ \boxed{\text{Reverse Recovery Time}} \]
Step 1: Understand diode switching.
Initially the diode conducts current in the forward direction. When reverse voltage is suddenly applied, the stored minority carriers must first be swept away.
Step 2: Define reverse recovery time.
The time interval required for the diode current to reduce from its forward value to the reverse leakage current level is called reverse recovery time. It is denoted by \[ t_{rr}. \]
Step 3: Identify the correct switching parameter.
The maximum time needed for a diode to switch from ON state to OFF state is therefore \[ \boxed{\text{Reverse Recovery Time}} \]
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