introduction to s8550, s8550 working,s8550 pinout, s8550 features, s8550 applications Hello friends, I hope you all are doing great. In today's tutorial, we are gonna have a look at detailed Introduction to S8550. S8550 is a PNP transistor henceforth during reverse biasing both the collector and emitter will be open and during forward biasing these will be closed. The value of gain i ...