Mathematics · Power Electronics Calculations

What is the maximum value of gate-source resistance (in kΩ) required to prevent the gate current from exceeding its limit for an SCR, if the gate-cathode characteristic has a straight-line slope of 130, the trigger source voltage is 15 V, and the allowable gate power dissipation is 0.5 W?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

13.00 kΩ
2111.94 kΩ✓
32.00 kΩ
41.11 kΩ

Correct answer

111.94 kΩ

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What is the maximum value of gate-source resistance (in kΩ) required to prevent the gate current from exceeding its limit for an SCR, if the gate-cathode characteristic has a straight-line slope of 130, the trigger source voltage is 15 V, and the allowable gate power dissipation is 0.5 W?

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What is the maximum value of gate-source resistance (in kΩ) required to prevent the gate current from exceeding its limit for an SCR, if the gate-cathode characteristic has a straight-line slope of 130, the trigger source voltage is 15 V, and the allowable gate power dissipation is 0.5 W?

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