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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IRFR1205TRLPBF


MOSFET MOSFT 55V 37A 27mOhm 43.3nC
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Infineon 7858
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AUD 0.8503
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RN1704,LF


Bipolar Transistors - Pre-Biased NPN x 2 BRT Q1BSR=47kOhm Q1BER=47kOhm Q2BSR=47kOhm Q2BER=47kOhm VCEO=50V IC=0.1A
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Toshiba 7856
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AUD 0.0533
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TIP31BG


Bipolar (BJT) Transistor NPN 80 V 3 A 3MHz 2 W Through Hole TO-220
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ON Semiconductor 7852
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AUD 0.4941
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ZUMT491TA


Transistors Bipolar - BJT NPN Medium Power
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Diodes Incorporated 7847
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AUD 0.2008
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ULN2803


50uA@40V 3V@2V,300mA 1.5V@350mA 0.93mA@3.85V 100uA@2V,350mA 50uA@40V 0℃~+70℃ 15pF SOP-18 Darlington Transistor Arrays ROHS
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Changjing Electronics Technology 7842
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AUD 0.2816
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BRCS5P06MA


SOT-23 MOSFETs ROHS
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Blue Rocket 7836
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AUD 0.0717
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DDTA143EUA-7-F


Diodes Incorporated Bipolar Transistors - Pre-Biased 200MW 4.7K
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Diodes Incorporated 7831
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AUD 0.0541
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DST3904DJ-7


Diodes Incorporated Bipolar Transistors - BJT 40V Dual NPN TRAN Ic 200mA 60V VCBO
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Diodes Incorporated 7779
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AUD 0.0579
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MMBFJ270


Transistor: P-JFET; unipolar; 225mW; SOT23; 50mA
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ON Semiconductor 7047
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AUD 0.216
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IRFL9014TRPBF


MOSFET P-Chan 60V 1.1 Amp
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Vishay 4806
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AUD 0.2651
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