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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TPNTK3139PT1G


20V 850mA 530mO@4.5V,550mA 690mW P Channel SOT-723 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.

TECH PUBLIC Availability : 26802
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USD 0.0193

Multiples of: 20

STP24NF10


Transistor: N-MOSFET; unipolar; 100V; 18A; 85W; TO220-3
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STMicroelectronics Availability : 26772
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USD 0.4281

Multiples of: 1

FJN4302RTA


Transistors Switching - Resistor Biased PNP Si Transistor Epitaxial
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ON Semiconductor Availability : 26686
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USD 0.0385

Multiples of: 1

STD20NF06LT4


Transistor: N-MOSFET; unipolar; 60V; 17A; 60W; DPAK
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STMicroelectronics Availability : 26675
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USD 0.519

Multiples of: 2500

FDD86250-F085


MOSFET 40V 15A DPAK N-Chnl PowerTrench
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ON Semiconductor Availability : 26675
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USD 1.0633

Multiples of: 2500

FDB035N10A


MOSFET 100V N-Channel PowerTrench MOSFET
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ON Semiconductor Availability : 26660
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USD 2.486

Multiples of: 1

BCX53-16


Transistors (NPN/PNP) PNP 1A 80V SOT-89 (SOT-89-3) RoHS
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Changjing Electronics Technology Availability : 26652
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USD 0.0336

Multiples of: 10

SQJ420EP-T1_GE3


MOSFET 40V Vds -/+20V Vgs AEC-Q101 Qualified
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Vishay Availability : 26652
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USD 0.376

Multiples of: 1

SIR626DP-T1-RE3


MOSFET 60V Vds 20V Vgs PowerPAK SO-8
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Vishay Availability : 26652
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USD 1.0058

Multiples of: 1

DMN65D8LFB-7


Diodes Incorporated MOSFET 60V N-Ch Dual Enh 20Vgss 300mW Pd
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Diodes Incorporated Availability : 26646
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USD 0.0396

Multiples of: 1

MMBT4401


SOT-23 Bipolar Transistors - BJT ROHS
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FUXINSEMI Availability : 26635
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USD 0.0077

Multiples of: 50

2SC4116-GR(TE85L,F)


SOT-323 Bipolar Transistors - BJT ROHS
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Toshiba Availability : 26619
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USD 0.0259

Multiples of: 10

SQ4401EY-T1_BE3


MOSFET P-CHANNEL 40V
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Vishay Availability : 26610
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USD 1.5144

Multiples of: 1

DMP2035UFDF-7


MOSFET P Trench 20V 8.1A 1V @ 250uA 29 mΩ @ 6.4A,4.5V U-DFN2020-6 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.

Diodes Incorporated Availability : 26602
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USD 0.121

Multiples of: 1

SI7309DN-T1-E3


MOSFET 60V 8.0A 19.8W 115mohm @ 10V
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Vishay Availability : 26591
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USD 0.4125

Multiples of: 1

LND250K1-G


Trans MOSFET N-CH 500V 0.013A 3-Pin SOT-23 T/R
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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.

Microchip Availability : 26566
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USD 0.4807

Multiples of: 1

BD139-10


Bipolar (BJT) Transistor NPN 80 V 1.5 A 1.25 W Through Hole SOT-32
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STMicroelectronics Availability : 26554
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USD 0.1142

Multiples of: 1

BC549BTF


Transistors Bipolar - BJT NPN Si Transistor Epitaxial
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ON Semiconductor Availability : 26509
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USD 0.0517

Multiples of: 1

BC858CLT3G


Transistors Bipolar - BJT 100mA 30V PNP
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ON Semiconductor Availability : 26435
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USD 0.0153

Multiples of: 1

9014M-C HJ6C


45V 400mW 200@1mA,5V 100mA NPN SOT-23 Bipolar Transistors - BJT ROHS
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Blue Rocket Availability : 26428
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USD 0.005

Multiples of: 50

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