Identify the device whose symbol is given below

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VSSC (ISRO) Technician B: Electronic Mechanic Previous Year Paper (Held on 10 Dec 2017)
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  1. npn transistor
  2. pnp transistor
  3. MOSFET
  4. IGBT

Answer (Detailed Solution Below)

Option 4 : IGBT
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Detailed Solution

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The symbol of various transistors are shown below:

F1 P.Y Madhu 13.04.20 D7

 

F1 P.Y Madhu 13.04.20 D8

 

The symbolic representation of MOSFET:

F1 U.B 9.7.20 Pallavi D25

Insulated Gate Bipolar Transistor (IGBT):

It is a three-terminal power semiconductor device primarily used as an electronic switch. It is a 4 layer PNPN device that combines an insulated gate N-channel MOSFET input with a PNP BJT output in a type of Darlington configuration.

26.06.2018.029

 

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