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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BC817-40,215


Transistors Bipolar - BJT NPN GP 500 45V
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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 : 280678
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USD 0.0069

Multiples of: 50

PMGD280UN,115


Mosfet Array 2 N-Channel (Dual) 20V 870mA 400mW Surface Mount 6-TSSOP
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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 : 220551
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USD 0.0736

Multiples of: 1

AO3415


20V 4.8A 37mO@4.5V,4A 1.5W 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.

Microdiode Electronics Availability : 219901
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USD 0.0268

Multiples of: 10

DTC143TET1G


Trans Digital BJT NPN 50V 100mA Automotive 3-Pin SOT-416 T/R
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ON Semiconductor Availability : 219898
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USD 0.0207

Multiples of: 1

SI1442DH-T1-GE3


MOSFET 12V 4A 2.8W 20mohm @ 4.5V
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Vishay Availability : 219172
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USD 0.0759

Multiples of: 1

STP76NF75


N-Channel 75 V 80A (Tc) 300W (Tc) Through Hole TO-220
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STMicroelectronics Availability : 218444
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USD 1.1245

Multiples of: 50

SI1869DH-T1-BE3


Power Switch/Driver 1:1 P-Channel 1.2A SC-70-6
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Vishay Availability : 218185
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USD 0.2104

Multiples of: 1

SI7155DP-T1-GE3


MOSFET -40V Vds 20V Vgs PowerPAK SO-8
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Vishay Availability : 218049
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USD 0.9614

Multiples of: 1

SQ2337ES-T1_BE3


MOSFET P-CHANNEL 80V D-S
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Vishay Availability : 217507
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USD 0.2495

Multiples of: 1

KSP2907ATA


Bipolar (BJT) Transistor PNP 60 V 600 mA 200MHz 625 mW Through Hole TO-92-3
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ON Semiconductor Availability : 11640
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USD 0.0456

Multiples of: 2000

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