About Transistors

?Ourns 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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SI4482DY


SI4482DY SI4482DY
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Vishay Availability : 30
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USD 1.3844

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BD438-CUT


BD438-CUT PINS PNP PWR TRANSISTOR
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STMicroelectronics Availability : 24
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USD 0.3649

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STW14NK50Z


Transistor: N-MOSFET; unipolar; 500V; 14A; 150W; TO247
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STMicroelectronics Availability : 20
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USD 1.1074

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FGA15N120FTDTU


IGBT 1200V 15A TO-3PN ELECTRONICS PART
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ON Semiconductor Availability : 20
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USD 3.7385

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MJD44H11


MJD44H11 PWR 10A 80V PLA NPN
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ON Semiconductor Availability : 18
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USD 0.3103

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Hot 2N2219A


Central Semiconductor Bipolar Transistors - BJT NPN AmplSwitch
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Central Semiconductor Availability : 18
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USD 0.4234

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BLF544


BLF544 RF POWER MOSFET T/HOLE
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NXP Availability : 18
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USD 41.8222

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FDS4141


MOSFET -40V P-Channel PowerTrench
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ON Semiconductor Availability : 15
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USD 1.3353

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MJ15025


MJ15025 POWER TRANSISTOR T/HOLE
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ON Semiconductor Availability : 14
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USD 2.9845

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715119DB


2N4401 NPN TRANS VCEO=40V T/HOLE Reel
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Central Semiconductor Availability : 13
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USD 0.0337

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TIP112TU


Transistor: NPN; bipolar; Darlington; 100V; 2A; 2W; TO220AB
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ON Semiconductor Availability : 11
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USD 0.3277

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BSS123


Transistor: N-MOSFET; unipolar; 100V; 0.17A; 0.36W; SOT23
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ON Semiconductor Availability : 10
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USD 0.0189

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2N7002215


MOSFET N-CH TRNCH 60V 300MA
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NXP Availability : 10
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USD 0.0451

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BS170G


MOSFET N-CH 60V 500MA TO-92 ELECTRONICS PART
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ON Semiconductor Availability : 10
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USD 0.2217

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IRLML2502GTRPBF


MOSFET MOSFT 20V 4.2A 45mOhm 8nC Log Lvl
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Infineon Availability : 10
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USD 0.4423

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FQP11N40C


Transistor: N-MOSFET; unipolar; 400V; 6.6A; 135W; TO220AB
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ON Semiconductor Availability : 10
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USD 0.5343

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2SC4488T-AN


Transistors Bipolar - BJT BIP NPN 1A 100V
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ON Semiconductor Availability : 10
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USD 0.5741

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CSD25401Q3


MOSFET Power P-Ch NexFET Power MOSFETs
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Texas Instruments Availability : 9
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USD 2.3108

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IRFB31N20D


IRFB31N20D HEX/MOS N-CH 200V 31A TO-220AB
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Infineon Availability : 8
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USD 1.5805

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Hot 2N918


Central Semiconductor Bipolar Transistors - BJT NPN VHF Osc
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Central Semiconductor Availability : 6
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USD 0.7873

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