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If latching current of an SCR is 10 mA then its holding current should be ____________

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If latching current of an SCR is 10 mA then its holding current should be ____________

(a) 5 mA

(b) 7 mA

(c) 8 mA

(d) 4 mA

I have been asked this question in my homework.

My doubt is from Solid-State Devices topic in division Introduction to Solid-State Devices of Electric Drives

1 Answer

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Best answer
The correct option is (a) 5 mA

The best I can explain: The latching current is 2-3 times more than the holding current. If a latching current of an SCR is 10 mA then its holding current should be 5 mA. Holding current=(latching current)÷2=10÷2=5 mA.

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