Compare P.N.P and N.P.N transistor.
Parameter
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PNP transistor
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NPN transistor
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Definition
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Two blocks of p- types semiconductors are separated by one thin block of n-type semiconductor.
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Transistor in which two ntype layer are separated by one P-type layer
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Symbol
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|
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Direction of Current
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Emitter to Collector
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Collector to Emitter
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Majority Charge Carrier
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Holes
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Electrons
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Switching Time
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Slower
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Faster
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Positive Voltage
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Emitter Terminal
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Collector Terminal
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Ground Signal
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High
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Low
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