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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MMBT3904


SOT-23 Bipolar Transistors - BJT 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.

Agertech Availability : 2279
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USD 0.006

Multiples of: 50

WG2301


SOT-23 MOSFETs 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.

Wild Goose Availability : 2279
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USD 0.0079

Multiples of: 50

K2SK3018-7-F


30V 100mA 200mW 8Ω@4V,10mA 1.5V@100uA N Channel SOT-23 MOSFETs 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.

Yongyutai Electronics Availability : 2279
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USD 0.0084

Multiples of: 50

BC817-40


45V 300mW 630@100mA,1V 500mA NPN SOT-23 Bipolar Transistors - BJT 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.

YFW Electronics Availability : 2279
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USD 0.0098

Multiples of: 50

BC817-25W


SOT-323 Bipolar Transistors - BJT 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.

Hong Kong Chuangji Availability : 2279
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USD 0.0115

Multiples of: 50

BC846B-AQ


Bipolar Transistors - BJT Bipolar Transistor, SOT-23, 65V, 100mA, NPN
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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.

Diotec Availability : 2279
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USD 0.0179

Multiples of: 50

MMDT3946-TP


Bipolar Transistors - BJT NPN Plastic-Encapsulate Transistors
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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 : 2279
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USD 0.0218

Multiples of: 10

FMMT493


100V 100@1A,0.3V 1A NPN SOT-23 Bipolar Transistors - BJT 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.

HXY MOS Availability : 2279
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USD 0.0241

Multiples of: 10

LGE2301


20V 2.8A 140mΩ 1W 710mV@250uA P Channel SOT-23 MOSFETs 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.

LGE Availability : 2279
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USD 0.0299

Multiples of: 10

PBSS4350Z


SOT-223 Bipolar Transistors - BJT 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.

YFW Electronics Availability : 2279
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USD 0.0653

Multiples of: 5

NTMS4816NR2G(UMW)


SOP-8 MOSFETs 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 : 2279
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USD 0.0857

Multiples of: 5

IRLL014NTR(UMW)


SOT-223 MOSFETs 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 : 2279
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USD 0.089

Multiples of: 5

IRLR120NTR(UMW)


TO-252 MOSFETs 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 : 2279
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USD 0.0923

Multiples of: 5

NCE40P40K-ES


40V 45A 17m@4.5V,15A 1V@250uA 1PCSPChannel TO-252 MOSFETs 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.

ElecSuper Availability : 2279
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USD 0.1804

Multiples of: 5

AP4813K


30V 13A 54mΩ@20V,13A 1PCSN-Channel&1PCSP-Channel TO-252-4 MOSFETs 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.

Quan Li Availability : 2279
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USD 0.1847

Multiples of: 5

P0903BDG-VB


TO-252 MOSFETs 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.

VBsemi Elec Availability : 2279
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USD 0.2559

Multiples of: 1

NCE0130KA


MOSFET TO-252-2L 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.

NCE Power Availability : 2279
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USD 0.2939

Multiples of: 5

NJVMJD44H11RLG


ON Semiconductor Bipolar Transistors - BJT BIP NPN 8A 80V TR
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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 : 2279
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USD 0.3209

Multiples of: 1

MPSA18 PBFREE


Trans GP BJT NPN 45V 3-Pin TO-92
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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.

Central Semiconductor Availability : 2279
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USD 0.3795

Multiples of: 1

Hot RD3H045SPFRATL


MOSFET Pch -45V Vdss -4.5A TO-252(DPAK); TO-252
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ROHM Availability : 2279
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USD 0.4532

Multiples of: 1

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