A TIP147 transistor is a silicon-based bipolar junction transistor and can be used in high-power electronic circuits such as power amplifiers. A TIP147 is a PNP transistor that is intended for use in a Darlington-pair configuration. Like other bipolar junction transistors, the TIP147 can be tested by using the diode-check function of a digital multimeter.
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Things you need
- TIP147 PNP transistor
- Digital multimeter with diode-check function
Turn on the multimeter and set the measurement scale to "Diode Test."
Place the black multimeter probe on the transistor's base lead. The base lead is the transistor leg on the left if you are holding the transistor right-side up with the flat side to the back.
Place the red multimeter probe on the transistor's collector (centre) lead. Check the multimeter display. If the multimeter indicates that the transistor passed this test, remove the red multimeter probe from the transistor and continue to the next step; otherwise, dispose of the transistor.
Place the red multimeter probe on the transistor's emitter (right-side) lead. Check the multimeter display. If the multimeter indicates that the transistor passed this test, the transistor is functioning properly. If the multimeter indicates that the transistor failed this test, dispose of the transistor.
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