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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DNBT8105-7


Bipolar (BJT) Transistor NPN 60 V 1 A 150MHz 600 mW Surface Mount SOT-23-3
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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.

Diodes Incorporated Availability : 75870
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USD 0.0396

Multiples of: 1

DMG2302UK-7-ES


20V 3.5A 350mW 36m@10V,3.5A 1V@250uA 1PCSNChannel SOT-23 MOSFETs ROHS
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ElecSuper Availability : 75803
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USD 0.0094

Multiples of: 10

ULN2004A


Driver; darlington, transistor array; 0.5A; 50V; Channels:7; DIP16
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STMicroelectronics Availability : 75737
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USD 0.1758

Multiples of: 1

BC846ALT1G


ON Semiconductor Bipolar Transistors - BJT 100mA 80V NPN
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ON Semiconductor Availability : 75660
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USD 0.0115

Multiples of: 3000

MMBTA42-7-F


Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R
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Diodes Incorporated Availability : 75660
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USD 0.0188

Multiples of: 3000

MMBTA64LT1G


Darlington Transistors 500mA 30V PNP
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ON Semiconductor Availability : 75660
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USD 0.0206

Multiples of: 3000

BSS84W-7-F


P-Channel 50 V 130mA (Ta) 200mW (Ta) Surface Mount SOT-323
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Diodes Incorporated Availability : 75660
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USD 0.035

Multiples of: 3000

DDTC123YE-7-F


Trans Digital BJT NPN 50V 100mA Automotive 3-Pin SOT-523 T/R
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Diodes Incorporated Availability : 75660
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USD 0.0428

Multiples of: 3000

SI3430DV-T1-BE3


N-Channel 100V 1.8A (Ta) 1.14W (Ta) Surface Mount 6-TSOP
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Vishay Availability : 75564
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USD 0.6578

Multiples of: 1

L8050HQLT1G


Transistors (NPN/PNP) NPN 1.5A 25V SOT-23 (SOT-23-3) RoHS
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Leshan Availability : 75514
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USD 0.0059

Multiples of: 50

S8550


Transistors (NPN/PNP) PNP 500mA 25V SOT-23 (SOT-23-3) RoHS
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Bourne Availability : 75301
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USD 0.0088

Multiples of: 20

SI2302DDS-T1-BE3


MOSFET N-CHANNEL 20-V (D-S)
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Vishay Availability : 75290
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USD 0.1478

Multiples of: 1

MPSA29


Darlington Transistors NPN Darlington
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Central Semiconductor Availability : 75216
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USD 0.1272

Multiples of: 1

FJN4303RTA


Transistors Switching - Resistor Biased PNP Si Transistor Epitaxial
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ON Semiconductor Availability : 75175
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USD 0.0295

Multiples of: 1

PBSS4540X,135


NXP Semiconductors Bipolar Transistors - BJT TRANS BISS TAPE-13
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Nexperia Availability : 75063
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USD 0.1409

Multiples of: 5

MMBT4403


100nA 40V 300mW 600mA 100@150mA,2V 200MHz 400mV@150mA,15mA PNP +150℃@(Tj) SOT-23 Bipolar Transistors - BJT ROHS
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TWGMC Availability : 75002
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USD 0.0084

Multiples of: 50

MMBT2222ALT1HTSA1


Infineon Technologies Bipolar Transistors - BJT AF TRANS GP BJT NPN 40V 0.6A
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Infineon Availability : 74815
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USD 0.0352

Multiples of: 1

BC847B


Transistors (NPN/PNP) SOT-23 RoHS
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SLKORMICRO Availability : 74748
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USD 0.0045

Multiples of: 100

RQ3E100BNTB


MOSFET 4.5V Drive Nch MOSFET
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ROHM Availability : 74434
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USD 0.1265

Multiples of: 1

NTMFS4936NT1G


MOSFET NFET SO8FL 30V
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ON Semiconductor Availability : 74276
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USD 0.372

Multiples of: 1

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