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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MMBT3904T-7-F


Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 150 mW Surface Mount SOT-523
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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.

Diodes Incorporated Availability : 118262
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USD 0.013

Multiples of: 20

DMN65D8LQ-7


60V 310mA 3O@10V,115mA 370mW N Channel SOT-23 MOSFETs ROHS
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Diodes Incorporated Availability : 85979
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USD 0.022

Multiples of: 1

CMPDM7002AG TR


Central Semiconductor MOSFET N-Ch Enh Mode FET 60Vds 60Vdg 40Vgs
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Central Semiconductor Availability : 85319
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USD 0.1406

Multiples of: 1

3401


30V 4A 48mΩ 1.3V P Channel SOT23 MOSFETs ROHS
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HL Availability : 85179
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USD 0.0103

Multiples of: 20

TIP120TU


Bipolar (BJT) Transistor NPN - Darlington 60 V 5 A 2 W Through Hole TO-220-3
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ON Semiconductor Availability : 85157
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USD 0.5272

Multiples of: 1

LMBT2222ALT1G


Transistors (NPN/PNP) NPN 600mA 40V SOT-23 (SOT-23-3) RoHS
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Leshan Availability : 84965
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USD 0.0077

Multiples of: 50

SI2308A


MOSFET N Trench 60V 2A 3V @ 250uA 160 mΩ @ 2A,10V SOT-23 RoHS
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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.

Youtai Availability : 84744
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USD 0.0207

Multiples of: 20

MMST5551-TP


Bipolar (BJT) Transistor NPN 160 V 200 mA 300MHz 200 mW Surface Mount SOT-323
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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.

Micro Commercial Components (MCC) Availability : 84390
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USD 0.0297

Multiples of: 3000

DTC144TET1G


Bipolar Transistors - Pre-Biased NPN DIGITAL TRANSISTOR
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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 : 84263
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USD 0.0243

Multiples of: 1

CJ2301-ES


20V 3A 1W 57m@4.5V,3A 700mV@250uA 1PCSPChannel SOT-23 MOSFETs ROHS
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ElecSuper Availability : 84212
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USD 0.0163

Multiples of: 20

BC817-16 6A


SOT-23 Bipolar Transistors - BJT ROHS
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FOSAN Availability : 83963
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USD 0.0074

Multiples of: 50

BCP54,115


Transistors Bipolar - BJT TRANS MED PWR TAPE-7
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Nexperia Availability : 83420
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USD 0.0534

Multiples of: 1000

MJE350


Bipolar (BJT) Transistor PNP 300 V 500 mA 20.8 W Through Hole SOT-32-3
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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.

STMicroelectronics Availability : 80975
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USD 0.2415

Multiples of: 1

PMSTA06,115


Bipolar (BJT) Transistor NPN 80 V 500 mA 100MHz 200 mW Surface Mount SOT-323
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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.

Nexperia Availability : 79798
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USD 0.0396

Multiples of: 1

PMST2907A,115


Bipolar (BJT) Transistor PNP 60 V 600 mA 200MHz 200 mW Surface Mount SOT-323
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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.

Nexperia Availability : 57911
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USD 0.0275

Multiples of: 1

IRFL4310TRPBF


MOSFET N Trench 100V 1.6A 4V @ 250uA 200 mΩ @ 1.6A,10V SOT-223 RoHS
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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.

Infineon Availability : 3479
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USD 0.2079

Multiples of: 1

NTD20P06LT4G


MOSFET -60V -15.5A P-Channel
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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 : 3429
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USD 0.3742

Multiples of: 1

BC847BV,115


Transistors Bipolar - BJT TRANS DOUBLE TAPE-7
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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.

Nexperia Availability : 3079
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USD 0.2198

Multiples of: 5

BC807DSF


Bipolar Transistors - BJT BC807DS/SC-74/REEL 13" Q1/T1 *
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Nexperia Availability : 0
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USD 0.086

Multiples of: 1

BC847BPN,115


Transistors Bipolar - BJT NPN/PNP 100MA 45V
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Nexperia Availability : 0
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USD 0.0352

Multiples of: 20

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