Questions tagged [emitter-current]

2 questions
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2 answers

Calculation of base current and what decides the current through collector-emitter branch

I have the below circuit. Its not a homework material. I am understanding how to analyze the transistor circuits. Below are my questions while trying to analyze : If I am given the below circuit, how to determine whether the transistor is operating…
user220456
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3 answers

How to calculate Resistor needed in PNP Transistor Circuit

I am trying to calculate the resistor value I need to achieve 35mA in my circuit. Vcc is 5V. Can someone explain the values I need to find in the datasheet as well as formula to use to find the correct Resistor value? I would like to learn this for…