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What is the expected resistance of a transistor in cutoff mode?
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[QUOTE="Tom.G, post: 5453923, member: 581973"] Probably... depends on how you "measured" it. Most accurate of course is out-of-circuit with a transistor tester. Out-of-circuit again, a few ohmmeter tests will usually spot a bad one. First, check that the junctions are actually diodes, that Collector-Emitter are not shorted, check Base-Emitter when forward biased then short Collector to Base and the indicated resistance should drop slightly. In-circuit is tough because you have to account for EVERY component that the transistor is connected to, and if the circuit is powered-up you also have to take into account any signal present and even if there is a parasitic oscillation throwing the measurements off. Have fun! [/QUOTE]
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What is the expected resistance of a transistor in cutoff mode?
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