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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BD438-CUT


BD438-CUT PINS PNP PWR TRANSISTOR
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STMicroelectronics Availability : 23
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by Mon. 07 Oct
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AUD 0.5792

Multiples of: 1

BC559C


BC559C TO92 GP PNP 30V 380- T/HOLE
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ON Semiconductor Availability : 19
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by Mon. 07 Oct
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AUD 0.0477

Multiples of: 1

RFP50N06


RFP50N06 POWER MOSFET T/HOLE
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ON Semiconductor Availability : 19
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by Mon. 07 Oct
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AUD 1.3214

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STW14NK50Z


Transistor: N-MOSFET; unipolar; 500V; 14A; 150W; TO247
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STMicroelectronics Availability : 19
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by Mon. 07 Oct
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AUD 1.7577

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FGA15N120FTDTU


IGBT 1200V 15A TO-3PN ELECTRONICS PART
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor Availability : 19
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by Mon. 07 Oct
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AUD 5.9342

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MJD44H11


MJD44H11 PWR 10A 80V PLA NPN
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ON Semiconductor Availability : 17
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by Mon. 07 Oct
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AUD 0.4925

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BLF544


BLF544 RF POWER MOSFET T/HOLE
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NXP Availability : 17
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by Mon. 07 Oct
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AUD 66.3844

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MJ15025


MJ15025 POWER TRANSISTOR T/HOLE
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ON Semiconductor Availability : 13
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by Mon. 07 Oct
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AUD 4.7373

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715119DB


2N4401 NPN TRANS VCEO=40V T/HOLE Reel
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Central Semiconductor Availability : 12
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by Mon. 07 Oct
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AUD 0.0535

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J177


J177 PCH JFET TO92 T/HOLE
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InterFET Availability : 12
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by Mon. 07 Oct
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AUD 0.6006

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TIP112TU


Transistor: NPN; bipolar; Darlington; 100V; 2A; 2W; TO220AB
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ON Semiconductor Availability : 10
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by Mon. 07 Oct
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AUD 0.5202

Multiples of: 1

2N7002215


MOSFET N-CH TRNCH 60V 300MA
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NXP Availability : 9
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by Mon. 07 Oct
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AUD 0.0716

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BS170G


MOSFET N-CH 60V 500MA TO-92 ELECTRONICS PART
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ON Semiconductor Availability : 9
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by Mon. 07 Oct
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AUD 0.3519

Multiples of: 1

IRLML2502GTRPBF


MOSFET MOSFT 20V 4.2A 45mOhm 8nC Log Lvl
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Infineon Availability : 9
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by Mon. 07 Oct
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AUD 0.702

Multiples of: 1

FQP11N40C


Transistor: N-MOSFET; unipolar; 400V; 6.6A; 135W; TO220AB
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ON Semiconductor Availability : 9
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by Mon. 07 Oct
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AUD 0.8481

Multiples of: 1

2SC4488T-AN


Transistors Bipolar - BJT BIP NPN 1A 100V
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ON Semiconductor Availability : 9
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by Mon. 07 Oct
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AUD 0.9113

Multiples of: 1

CSD25401Q3


MOSFET Power P-Ch NexFET Power MOSFETs
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Texas Instruments Availability : 8
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by Mon. 07 Oct
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AUD 3.668

Multiples of: 1

IRFB31N20D


IRFB31N20D HEX/MOS N-CH 200V 31A TO-220AB
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Infineon Availability : 7
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by Mon. 07 Oct
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AUD 2.5087

Multiples of: 1

705463DB


2SK1544 SEMICONDUCTOR T/HOLE
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Toshiba Availability : 5
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by Mon. 07 Oct
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AUD 20.2801

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BC557B


BC557B TO-92 PNP 45V RADIAL
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ON Semiconductor Availability : 0
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by Mon. 07 Oct
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AUD 0.0617

Multiples of: 1

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