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darlington power amplifier transistors


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Hi Leo,
My multimeter has a Diode Test function where it outputs a small current then shows the voltage. A darlington's forward-biased base-emitter would show about 1.2V. Reverse biased would show max volts. Forward-biased base to collector would show about 0.6V. Reverse-biased would show max volts. Forward or reverse-biased collector to emitter would show max volts. Max volts means no current flows.
The darlinton transistor tested this way must not be connected to a circuit.

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