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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BD139


TO-126 Bipolar Transistors - BJT ROHS
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Changjing Electronics Technology 1003
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AUD 0.1908
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2SC4379YU


50V 1W 120@500mA,2V 2A NPN SOT-89-3 Bipolar Transistors - BJT ROHS
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Semtech 892
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AUD 0.0748
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TPBCP51-16


SOT-223 Bipolar Transistors - BJT ROHS
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TECH PUBLIC 892
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AUD 0.0806
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AON2290


N-Channel 100 V 4.5A (Ta) 2.8W (Ta) Surface Mount 6-DFN (2x2)
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Alpha & Omega 892
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AUD 0.2677
Multiples of: 1

FMMT593


100V 250mW 100@500mA,5V 1A PNP SOT-23 Bipolar Transistors - BJT ROHS
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MSKSEMI 882
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AUD 0.0457
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EMD62T2R


Bipolar Transistors - Pre-Biased Complex Digital Transistor
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ROHM 882
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AUD 0.0407
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2SD1898T100Q


Bipolar (BJT) Transistor NPN 80 V 1 A 100MHz 2 W Surface Mount MPT3
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ROHM 876
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AUD 0.2496
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FQT5P10TF-TP


SOT-223 MOSFETs ROHS
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TECH PUBLIC 843
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AUD 0.2694
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2SB772PU


Transistors (NPN/PNP) PNP 3A 30V SOT-89 (SOT-89-3) RoHS
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Semtech 640
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AUD 0.0669
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2SD882SQ-P


Transistors (NPN/PNP) SOT-89 RoHS
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Pingjingsemi 426
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AUD 0.0653
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