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Testing an FJN3302R transistor

K

Ken1

Member
Hi, Is there an accurate way to test the condition of an FJN3302R transistor? According to the datasheet this transistor has 2 internal bias resistors, both 10k. One connects between emitter and base and the other leading in to the base terminal. I attached a circuit diagram I drew of a farm fencer that will not pulse. Bypassing the optoisolator and the fencer works perfectly.
 

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