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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UMT3904T106


Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 200 mW Surface Mount UMT3
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ROHM 82962
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AUD 0.0592
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BSS138LT1G-ES


50V 300mA 1.5@10V,500mA 300mW 1V@250uA 1PCSNChannel SOT-23 MOSFETs ROHS
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ElecSuper 10456
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AUD 0.0108
Multiples of: 20

MPSA29


Darlington Transistors NPN Transistor Darlington
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ON Semiconductor 10427
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AUD 0.1441
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FDN306P


SOT-23 MOSFETs ROHS
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TECH PUBLIC 10427
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AUD 0.0544
Multiples of: 10

NSBC114EPDP6T5G


Transistors Switching - Resistor Biased SOT-963 COMP NBRT
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ON Semiconductor 10408
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AUD 0.0787
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EMX26T2R


ROHM Semiconductor Bipolar Transistors - BJT TRANS GP BJT NPN 50V 0.15A 6PIN
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ROHM 10403
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AUD 0.2137
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WSD4098DN56


40V 22A 6.8mΩ@10V,14A 25W 2 N-Channel DFN-8(5.2x5.5) MOSFETs ROHS
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Winsok 10129
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AUD 0.3496
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FMMT493


Transistors (NPN/PNP) SOT-23 RoHS
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Pingjingsemi 10117
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AUD 0.032
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IRFR5305


TO-252AA MOSFETs ROHS
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JSMSEMI 9438
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AUD 0.3502
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NSVMMUN2132LT1G


Trans Digital BJT PNP 50V 100mA Automotive 3-Pin SOT-23 T/R
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ON Semiconductor 9231
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AUD 0.0613
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