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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004419CB


FMMT493TA TRANSISTORS - SOT 23 SMD
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Diodes Incorporated Availability : 0
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USD 0.1743

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TIP115


TIP115 TO220 PKGE PNP PWR TRANS VCEO=6 T/HOLE
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ON Semiconductor Availability : 0
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USD 0.5255

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FMMT458


FMMT458 #4199 B141099S141099 SMD
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Diodes Incorporated Availability : 0
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USD 0.1896

Multiples of: 1

2N6517RLRA


2N6517RLRA #0202 PCN12106 T/HOLE
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ON Semiconductor Availability : 0
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USD 0.1978

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KSF350


KSF350 TRANSISTOR NPN 300V TO-225AA
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ON Semiconductor Availability : 0
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USD 0.2041

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TIP29C


TIP29C PNP PWR TRANS VCEO=1
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ON Semiconductor Availability : 0
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USD 0.2119

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418780BB


TIP31C NPN TRANS 100V 3A
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ON Semiconductor Availability : 0
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USD 0.2126

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MMJT9435T1


MMJT9435T1G (ROHS COMPLIANT) NPN BIPOLAR 3A 30V SOT223
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ON Semiconductor Availability : 0
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USD 0.2209

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TIP126


TIP126 PNP TO220 8A 60V T/HOLE
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ON Semiconductor Availability : 0
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USD 0.2289

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MJE182


MJE182 SEMIS NON STOCK
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ON Semiconductor Availability : 0
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USD 0.2315

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BF459


BF459 TRANSISTOR T/HOLE
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STMicroelectronics Availability : 0
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USD 0.2638

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2N2369A/B


2N2369A/B LTB 30/06/098 B T/HOLE
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Central Semiconductor Availability : 0
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USD 0.2835

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BSR31/T1


BSR31/T1 #4701 PCN20010104F SMD
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NXP Availability : 0
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USD 0.2852

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IRFD110


IRFD110 HEXDIP T/HOLE
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Vishay Availability : 0
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USD 1.3526

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069117AB


FZT605TA TRANSISTORS - SMALL
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Diodes Incorporated Availability : 0
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USD 0.2938

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IRF540


IRF540N HEXFET POWER MOSFET T/HOLE
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Infineon Availability : 0
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USD 0.4646

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2N2905


2N2905 GET QUOTE T/HOLE
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Microchip Availability : 0
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USD 0.3088

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MJD44H11


MJD44H11 PWR 10A 80V PLA NPN
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ON Semiconductor Availability : 0
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USD 0.3103

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BF859


BF859 TO220 300V LF POWER TRANS T/HO
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Philips Availability : 0
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USD 0.3125

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