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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BC547CTA


Bipolar (BJT) Transistor NPN 45 V 100 mA 300MHz 500 mW Through Hole TO-92-3
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ON Semiconductor 133464
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AUD 0.0636
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PUMB1,115


Transistors Switching - Resistor Biased TRNS DOUBL RET TAPE7
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Nexperia 29100
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AUD 0.0357
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BC849B-TP


Bipolar Transistors - BJT NPN 30V 0.1A
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Micro Commercial Components (MCC) 11640
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AUD 0.0466
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WST3415A


SOT-23-3L MOSFETs ROHS
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Winsok 5820
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AUD 0.0713
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PUMH9,115


Transistors Switching - Resistor Biased TRNS DOUBL RET TAPE7
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Nexperia 5820
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AUD 0.0521
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DRC9A14E0L


Panasonic Bipolar Transistors - Pre-Biased Transistor wresistr 1.6x1.6mm Flat lead
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Panasonic 5820
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AUD 0.0554
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IMX17T110


Bipolar Transistors - BJT DUAL NPN 50V 500MA SOT-457
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ROHM 5790
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AUD 0.0709
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DTA113EET1G


Bipolar Transistors - Pre-Biased PNP DIGITAL TRANSISTOR
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ON Semiconductor 4393
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AUD 0.0427
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BC856A-7-F


Bipolar Transistors - BJT PNP BIPOLAR
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Diodes Incorporated 3383
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AUD 0.0439
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JMTL3401A


MOSFET P Trench 30V 4.2A (Tc) 1.3V @ 250uA 55 mΩ @ 4.2A,10V SOT-23 RoHS
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JieJie 320
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AUD 0.0546
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