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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2SA715


2SA715C TO-126 TRANSISTOR T/HOLE
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Hitachi Availability : 500
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USD 0.3424

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BF487


BF487 NPN TO92 400V 50MA SIGNA L TRA
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Philips Availability : 474
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USD 0.1225

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Hot 2N6427


Transistors Darlington NPN Darl Amp
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Central Semiconductor Availability : 472
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USD 0.0918

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BC547C


BC547CZL1G AMMO PK SOT54A NPN 45VTRANSISTOR
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ON Semiconductor Availability : 415
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USD 0.0457

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BAS216/115


BAS216/115 SOD110 75V 250MA HIGH SPEED DI
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Philips Availability : 400
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USD 0.4428

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BU508AF


Transistors Bipolar - BJT NPN Power Transistor
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STMicroelectronics Availability : 390
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USD 1.684

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2N5192


2N5192 TRANSISTOR T/HOLE
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ON Semiconductor Availability : 380
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USD 0.6602

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IRFZ46N


IRFZ46N HEXFET
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Infineon Availability : 370
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USD 0.5499

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BSS100


BSS100 #2501 B211201S210602 SMD
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ON Semiconductor Availability : 338
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USD 0.7391

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2N3565


2N3565 TRANSISTOR T/HOLE
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Philips Availability : 322
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USD 0.1302

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IRL3303S


IRL3303STRR D2-PAK 30V 38A IC HEXFET SINGLE N-CHANNEL
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Infineon Availability : 300
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USD 2.0618

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2N5116


2N5116 TRANSISTOR T/HOLE
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Microchip Availability : 293
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USD 0.7636

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BF423


BF423 PNP TO92 250V 20MA VIDEO OUTP
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ON Semiconductor Availability : 286
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USD 0.0774

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BUL146


BUL146 T0220 SMODE 700V 8A T/HOLE
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ON Semiconductor Availability : 275
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USD 0.593

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STP12N120K5


STMicroelectronics MOSFET
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STMicroelectronics Availability : 229
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USD 7.2542

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BUK436100A


BUK436100A BUK436-100A SOT-93 100V 3
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Philips Availability : 223
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USD 2.0512

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TIP41C


Bipolar (BJT) Transistor NPN 100 V 6 A 3MHz 65 W Through Hole TO-220-3
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ON Semiconductor Availability : 213
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USD 0.6973

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BC549C


BC549C
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ON Semiconductor Availability : 200
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USD 0.0391

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MJD3055


MJD3055 T/HOLE
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ON Semiconductor Availability : 200
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USD 0.6389

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