Transistors

A transistor is a semiconductor device that is commonly used to amplify or switch electronic signals. It consists of three terminals, normally referred to as the emitter, base and collector. The transistor operates in four main states: cutoff, forward active, reverse active and saturation. It acts as an electrical switch when forward biased, meaning a current is allowed to flow between the two terminals. When it is reverse biased, meaning the current flows in the opposite direction, the device is turned off. Transistors are used in amplifying circuits to amplify voltage, current, or even power. They are also used in digital logic circuits to switch between two or more stable states.
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BC548BTA


Bipolar (BJT) Transistor NPN 30 V 100 mA 300MHz 500 mW Through Hole TO-92-3
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ON Semiconductor 15520
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AUD 0.048
Multiples of: 2000

CJ2333


MOSFET P Trench 12V 6A 1V @ 250uA 28 mΩ @ 5A,4.5V SOT-23 (SOT-23-3) RoHS
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Changjing Electronics Technology 15520
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AUD 0.054
Multiples of: 10

BC549BTA


Transistors Bipolar - BJT NPN 30V 100mA HFE/450
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ON Semiconductor 15520
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AUD 0.0543
Multiples of: 2000

BC33716TA


Bipolar (BJT) Transistor NPN 45 V 800 mA 100MHz 625 mW Through Hole TO-92-3
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ON Semiconductor 15520
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AUD 0.0545
Multiples of: 2000

KSC1009YTA


Bipolar (BJT) Transistor NPN 140 V 700 mA 50MHz 800 mW Through Hole TO-92-3
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ON Semiconductor 15520
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AUD 0.0618
Multiples of: 1

DTA144EM3T5G


ON Semiconductor Bipolar Transistors - Pre-Biased 100mA 50V BRT PNP
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ON Semiconductor 15520
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AUD 0.0636
Multiples of: 1

BC33725TA


Transistor: NPN; bipolar; 45V; 0.8A; 625mW; TO92
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ON Semiconductor 15520
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AUD 0.0743
Multiples of: 2000

SS8550CTA


Bipolar (BJT) Transistor PNP 25 V 1.5 A 200MHz 1 W Through Hole TO-92-3
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ON Semiconductor 15520
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AUD 0.0873
Multiples of: 2000

MMBT4401M3T5G


Transistors Bipolar - BJT SOT-723 GP NPN TRANS
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ON Semiconductor 12069
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AUD 0.023
Multiples of: 1

NTZD3154NT5G


ON Semiconductor MOSFET 20V 540mA Dual N-Channel wESD
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ON Semiconductor 5267
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AUD 0.0532
Multiples of: 5

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