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# Solution: Determine the maximum allowable duration of such surge

#### Problem Statement: Electronic Systems and Design

Thyristors: SCR Problem Solving

An SCR has a circuit fusing rating of 50 A2s. The device is being used in a circuit where it could be subjected to a 100 A surge. Determine the maximum allowable duration of such surge if the forward current rating of the SCR is 105 A.

A. 2 ms

B. 5 ms

C. 10 ms

D. 8 ms

The maximum allowable duration of such surge if the forward current rating of the SCR is 105 A is equal to 5 ms.

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