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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DTC143ZCA


NPN 0.2W 0.1A 50V SOT-23 Digital Transistors ROHS
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HXY MOS 7158
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AUD 0.0191
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DTC143ZUA


Pre-Biased Bipolar Transistor (BJT) 100mA 200mW Surface Mount SOT-323
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TECH PUBLIC 7158
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AUD 0.0253
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TSM180N03CS RLG


MOSFET 30V, 9A, Single N-Channel Power MOSFET
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Taiwan Semiconductor 7150
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AUD 0.2106
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EMZ8T2R


Bipolar Transistors - BJT DUAL PNP/NPN
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ROHM 7149
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AUD 0.2096
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BSS139


SOT-23 MOSFETs ROHS
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TECH PUBLIC 7139
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AUD 0.0177
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CJQ9435


MOSFET P Trench 30V 5.1A 2V @ 250uA 60 mΩ @ 4.6A,10V SOP-8_150mil RoHS
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Changjing Electronics Technology 6489
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AUD 0.0675
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BSS8402DWQ-13


Transistor: N/P-MOSFET; unipolar; complementary; 60/-50V; 0.2W
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Diodes Incorporated 6111
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AUD 0.298
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2SC4672


50V 500mW 390@500mA,2V 2A NPN SOT-89 Bipolar (BJT) ROHS
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hongjiacheng 5373
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AUD 0.0521
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STS5NF60L


Transistor: N-MOSFET; STripFET™ F7; unipolar; 60V; 3A; 2.5W; SO8
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STMicroelectronics 4164
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AUD 0.5186
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ULN2003


SOP-16 Darlington Transistor Arrays ROHS
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Changjing Electronics Technology 1876
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AUD 0.1973
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