![]() The TRIGGER for turning ON the TRANSISTOR is provided by CONTROL UNIT (NOT MICROCONTROLLER as MICROCONTROLLER cannot deliver 300mA). ![]() ![]() ![]() As show in figure we are using a small DC MOTOR as the LOAD. In the circuit above we are using TIP31C as a simple switching device. Here we are going to use TIP31C in common emitter configuration to understand its working. TIP31C can be used like any other power transistor. So it can be used in high speed switching applications. Situation 3: TIP31C can be controlled by microcontroller pulses because of its gain and high speed response. So these characteristics make TIP31C one of best contender for amplifying applications. The amplifying factor of TIP31C is fairly good and the important thing is gain is almost linear. Situation 2: When you want amplify a signal. So the component is best suited when choosing a random switching device. With electrical characteristics suiting many applications it is fairly popular. TIP31C is one of the basic TRANSISTORS out there which are easily available and cheap. Situation 1: When you want a simple switching device for medium power loads. Where to Use TIP31C TIP31C can be used in the situations below: Normally used as TRIGGER to turn ON the TRANSISTOR. The pin configuration of TIP31C is given below. Like any other transistor it has three pins namely EMITTER, BASE and COLLECTOR. How to Safely Long Run TIP31C in a Circuit Using TIP31C Making Powerful Audio Amplifier
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