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/diy/ - Do It Yourself

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>> No.1295714 [View]
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1295714

>>1295695
Current through R2 produces Vbe of Q2 and if I*R2 reaches about 0.7V, Q2 starts to conduct and bypasses base drive current of Q1. So Imax=0.7V/0.09Ω=7.8A which seems too much.

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