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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2N2905


2N2905 GET QUOTE T/HOLE
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Microchip Availability : 0
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USD 0.3088

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BF859


BF859 TO220 300V LF POWER TRANS T/HO
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Philips Availability : 0
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USD 0.3125

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012111XB


ZVP2110A TRANSISTORS-M*
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Diodes Incorporated Availability : 0
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USD 0.3151

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ULN2003A-ST


Darlington Transistors Seven NPN DRIVER Array PDIP-16
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STMicroelectronics Availability : 0
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USD 0.3473

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MCT1413P


MCT1413P IC DIP
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Motorola Availability : 0
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USD 0.3649

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TIP121


TIP121 USEUP THEN841634BB T/HOLE
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ON Semiconductor Availability : 0
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USD 0.3759

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ULN2803


Darlington Transistors Eight NPN Array
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STMicroelectronics Availability : 0
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USD 0.3912

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PMV32UP215


MOSFET P-CH -20 V -4 A
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Generic Availability : 0
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USD 0.4067

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BF256A


BF256A N-CHNL TO92 30V FET (3-7M T/HO
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ON Semiconductor Availability : 0
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USD 0.4367

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ULN2803A/SGS


ULN2803A/SGS LINEAR 8* DARL ARRAY DIP
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STMicroelectronics Availability : 0
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USD 0.4541

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ULN2003AD/CUT


ULN2003AD DARLINGTON DRIVER SO-16 SMD
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Texas Instruments Availability : 0
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USD 0.4715

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417095EB


RFD14N05 PWR MOS 50V/14A/0.1 T/HOLE
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ON Semiconductor Availability : 0
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USD 0.4879

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FZT653TA


FZT653TA USE 069120XB SMD
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Diodes Incorporated Availability : 0
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USD 0.5155

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TIP115


TIP115 TO220 PKGE PNP PWR TRANS VCEO=6 T/HOLE
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ON Semiconductor Availability : 0
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USD 0.5255

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VP0106N3


VP0106N3 INTEGRATED CIRCUIT T/HOLE
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Generic Availability : 0
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USD 0.5455

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RFD14N05


RFD14N05 FET RFD14N05 FET T/HOLE
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ON Semiconductor Availability : 0
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USD 0.5622

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ZVP2106A


ZVP2106A T/REELED P Channel MOSFETs T/HOLE
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Diodes Incorporated Availability : 0
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USD 0.5684

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MTD3055VL


MTD3055VL TMOS PWR FET 60V 0.
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USD 0.6044

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TIP31C


TIP31C POWER TRANSISTOR T/HOLE
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ON Semiconductor Availability : 0
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USD 0.6359

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TIP147T


TIP147T PWR TR TO-220
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STMicroelectronics Availability : 0
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USD 0.6508

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