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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ULN2803-TD


50V BJT 8 500mA SOP-18W Bipolar Transistor Arrays RoHS
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TDSEMIC 3031
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AUD 0.1408
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KSC2690AYS


Bipolar (BJT) Transistor NPN 160 V 1.2 A 155MHz 1.2 W Through Hole TO-126-3
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ON Semiconductor 3031
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AUD 0.4025
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DMP2123L-7


P-Channel 20 V 3A (Ta) 1.4W (Ta) Surface Mount SOT-23-3
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Diodes Incorporated 3021
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AUD 0.1132
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FDS4897C


SOP-8 MOSFETs ROHS
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TECH PUBLIC 2992
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AUD 0.2378
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AO4292E


MOSFET N Trench 100V 8A 2.7V @ 250uA 23 mΩ @ 8A,10V SOIC-8_150mil RoHS
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Alpha & Omega 2924
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AUD 0.3716
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BU406


Transistors (NPN/PNP) NPN 7A 200V TO-220 (TO-220-3) RoHS
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Changjing Electronics Technology 2905
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AUD 0.2704
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2SK880-Y(TE85L,F)


JFETs N-Ch Audio Amp Fet 15mS 1.0db 10V 0.5mA
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Toshiba 2386
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AUD 0.1713
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DMP6110SSDQ-13


MOSFET MOSFET BVDSS: 41V-60V
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Diodes Incorporated 1865
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AUD 0.3614
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YJQD25N04A


DFN3333-8L-DUal MOSFETs ROHS
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Yangjie 1285
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AUD 0.2444
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2SA1036KT146Q


Bipolar (BJT) Transistor PNP 32 V 500 mA 200MHz 200 mW Surface Mount SMT3
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ROHM 38
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AUD 0.0465
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