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To determine the positive leg of a transistor, first identify its type: NPN or PNP. For an NPN transistor, the positive leg (collector) is typically the middle pin if it's in a standard TO-220 or TO-92 package, while the emitter is usually the outer pin. For PNP transistors, the configuration is similar, but the collector and emitter roles are reversed. Always refer to the specific datasheet for the transistor model to confirm pin configurations.

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5d ago

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