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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MJ2955


MJ2955 MOVED TO 418770FB T/HOLE
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USD 0.665

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BUK45360B


BUK45360B TO-220 60V 20A 75W NMOSFE T/HO
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Philips Availability : 0
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USD 0.6689

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TIP48


TIP48 PLAS.POW TO-220 T/HOLE
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USD 0.6804

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SPD02N80C3


MOSFET N Trench 800V 2A (Tc) 3.9V @ 120uA 2.7 Ω @ 1.2A,10V TO-252-2 (DPAK) RoHS
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Infineon Availability : 0
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USD 0.6904

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TIP132


TIP132 POWER TRANSISTOR T/HOLE
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STMicroelectronics Availability : 0
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USD 0.7059

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BST74A


BST74A TO92 N-CH.VERTICAL DMOS TRAN T
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Philips Availability : 0
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USD 0.7674

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IRF740


IRF740 HEXFET T/HOLE
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Vishay Availability : 0
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USD 0.7696

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RFP50N06


RFP50N06 POWER MOSFET T/HOLE
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USD 0.8325

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BU426A


BU426A TRANSISTOR NPN 6A 40 T/HOLE
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Bourns Availability : 0
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USD 0.9052

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RFD15P05


RFD15P05 MOSFET TO251 T/HOLE
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USD 0.9253

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ULN2801A


ULN2801A DARLINGTON DRIVER DIP
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STMicroelectronics Availability : 0
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USD 0.964

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IRFR6215TR


IRFR6215TR HEXFET T/HOLE
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Infineon Availability : 0
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USD 1.1108

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BSW67A


BSW67A NPN TO39 120V 1A SWITCHIN T/HO
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Philips Availability : 0
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USD 1.1292

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BUW11A


BUW11A NPN SOT93 1000V 5A POWER SMD
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Philips Availability : 0
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USD 1.1537

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TIP3055


TIP3055 TO247 NPN TRANS SOT 93 60V 15A
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STMicroelectronics Availability : 0
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USD 1.1907

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706918BB


RFP10P03L PWR MOSFET 30V 10A T/HOLE
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USD 1.2068

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MJ15024/WS


MJ15024/WS POWER TRANSISTOR T/HOLE
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WS Availability : 0
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USD 1.2071

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MJ15025/WS


MJ15025 POWER TRANSISTOR T/HOLE
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WS Availability : 0
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USD 1.2071

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TIP150


TIP150 NPN PWR DARLINGTON 7A 300V T/H
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PI Availability : 0
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USD 1.5003

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