009 PNP Bipolar Junction Transistor BJT switch including capacitor timed fade off

Simple PNP bipolar junction transistor BJT switch circuit schematic diagram by electronzap electronzapdotcom
Simple PNP bipolar junction transistor BJT switch circuit schematic diagram by electronzap electronzapdotcom

PNP bipolar junction transistor (BJT) switch circuits use a weak signal to control a load that needs more power. A transistor switch is “on” when it is saturated, and “off” when it is cutoff. This happens in the same way as the NPN bipolar junction transistor except polarities are reversed.

Brief PNP BJT switch circuit – Bipolar Junction Transistor

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PNP switch YouTube video

Diagram is below the video. Using the link opens the video in a new tab!
Electronics course 9 PNP Bipolar Junction Transistor BJT switch plus capacitor fade off



A lot of the components that I use are in this diode and transistor semiconductor kit.

Diagram

Basic electronics circuit fragments and simple circuits 7 PNP Bipolar Junction Transistor BJT Switch and capacitor fade off diagram by electronzap electronzapdotcom
Basic electronics circuit fragments and simple circuits 7 PNP Bipolar Junction Transistor BJT Switch and capacitor fade off diagram by electronzap electronzapdotcom



Kit that has everything you need to learn basic electronics and Arduino.


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