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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BF469


BF469 (KSC2682YS OR KSC3502ES) NPN TO126 250V 30MA VIDE O OUT
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Philips Availability : 43
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USD 1.6091

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IRLS3036-7PPBF


MOSFET 60V 1 N-CH HEXFET PWR MOSFET 1.9mOhms
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Infineon Availability : 42
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USD 4.3784

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BFX34


BFX34 NPN TO39 SWITCHING TRANS T/HOL
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STMicroelectronics Availability : 40
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USD 1.4622

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MC1413DG


Darlington Transistors High Voltage High Current Darlington
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ON Semiconductor Availability : 39
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USD 0.4547

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BUK455-60A/B


BUK455-60A/B BUK455-60A
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Philips Availability : 37
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USD 2.1133

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IRF330


IRF330 HEXFET T/HOLE
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Infineon Availability : 36
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USD 2.3389

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BUK457600B


BUK457600B TO-220 600V 7.1A 150W NMO
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Philips Availability : 35
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USD 2.3117

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715083GB


MPSA42G NPNTRANS.VCEO* LOOSE STOCK
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ON Semiconductor Availability : 33
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USD 0.0238

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ZVN2110A


ZVN2110A MOVED TO 051075FB T/HOLE
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Diodes Incorporated Availability : 30
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USD 0.3013

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ULN2803AFWG(5,EL,M


TRANSISTORS ELECTRONICS PART
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Toshiba Availability : 30
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USD 0.833

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BUZ80


BUZ80 T0220 POWERMOS T/HOLE
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STMicroelectronics Availability : 30
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USD 0.9355

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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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NTD3055L104-1G


MOSFET 60V 12A N-Channel
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ON Semiconductor Availability : 28
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USD 0.4385

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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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BC557B


BC557B TO-92 PNP 45V RADIAL
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ON Semiconductor Availability : 20
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USD 0.0765

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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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Hot 2N4401


Transistors Bipolar - BJT NPN Gen Pur SS
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Central Semiconductor Availability : 19
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USD 0.0278

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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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