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BJT stands for Bipolar Junction Transistor. It is a three-terminal electronic device constructed of doped semiconductor material and may be used in amplifying or switching applications.

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Parallel current limiters, ballast resistors and transistor matching

Are ballast resistors (R17, R8 and R5) required when using parallel current limiters as show below? I found it hard to find working examples on the internet with values already present to tweek aro …
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