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> 100 lot MAL100A 30V 50MA glass phototransistors TO18
100 lot MAL100A 30V 50MA glass phototransistors TO18
I haven't tested the base connection, but the collector and emitter are the same pins as shown HERE. If you set your meter for diode test with minus to pin 1 and plus to pin 3, you should read around 0.15V drop with a bright light. I used a white LED flashlight.