About Transistors

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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NCV8402ADDR2G


ON Semiconductor MOSFET 42V 2.0A
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ON Semiconductor Availability : 200
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USD 1.769

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IRG4PC30W


IRG4PC30W SEMICONDUCTORS
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Infineon Availability : 200
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USD 1.9209

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MJE182


MJE182 SEMIS NON STOCK
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ON Semiconductor Availability : 186
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USD 0.2315

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TIP3055/NJS


TIP3055 TRANSISTOR TO218 TRANSISTOR
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STMicroelectronics Availability : 184
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USD 0.9606

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IRF9640


MOSFET RECOMMENDED ALT 844-IRF9640PBF
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Vishay Availability : 179
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USD 1.0359

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BC559C


BC559C TO92 GP PNP 30V 380- T/HOLE
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ON Semiconductor Availability : 163
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USD 0.0301

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BC559C


Transistor: PNP; bipolar; 30V; 100mA; 500mW; TO92
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Diotec Availability : 163
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USD 0.0301

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069117AB


FZT605TA TRANSISTORS - SMALL
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Diodes Incorporated Availability : 155
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USD 0.2938

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BC557CG


Bipolar Transistors - BJT 100mA 50V PNP
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ON Semiconductor Availability : 141
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USD 0.0698

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IRFL9014PBF


HEXFET ELECTRONICS PART
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Vishay Availability : 140
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USD 0.3885

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IRF540NS


IRF540NS HEXFET SMD
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Infineon Availability : 133
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USD 0.4678

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2SJ464


2SJ464 P CHANNEL FET 100V 18A TO220
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Toshiba Availability : 127
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USD 0.7552

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BDV64B


BDV64B TRANSISTOR T/HOLE
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ON Semiconductor Availability : 113
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USD 1.701

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NDP4060


NDP4060 R/A PINS NCN-CHANNEL MOSFET T/HOLE
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ON Semiconductor Availability : 102
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USD 0.7796

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FDS9953A


MOSFET SO-8
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ON Semiconductor Availability : 100
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USD 0.9866

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BC817-16


Taiwan Semiconductor Bipolar Transistors - BJT Transistor 300mW
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Taiwan Semiconductor Availability : 90
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USD 0.0175

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ULN2803ADWR


Darlington Transistors TRANSISTOR ARRAYS
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Texas Instruments Availability : 90
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USD 2.6365

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IRLML6401PBF


MOSFET, P, -12V, -4.3A, MICRO 3
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Infineon Availability : 82
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USD 0.3439

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BC556/112


BC556/112 IMI PACTROL TRANS.
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ON Semiconductor Availability : 80
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USD 0.0187

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IRF9Z24N


IRF9Z24N HEXFET
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Infineon Availability : 80
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USD 0.6686

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