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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2N7002K


60V 300mA 350mW 2.2Ω@10V,300mA 1.6V@250uA 7.8pF@30V N Channel 25.5pF@30V 3.7nC@10V -50℃~+150℃@(Tj) SOT-23 MOSFETs ROHS
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MSKSEMI 494845
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AUD 0.0093
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AO3401


30V 4.4A 1PCSPChannel SOT-23 MOSFETs ROHS
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FOSAN 421503
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AUD 0.0199
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BC858BLT1G


Trans GP BJT PNP 30V 0.1A 3-Pin SOT-23 T/R
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ON Semiconductor 290180
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AUD 0.016
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ULN2003ADR


Darlington Transistors Darlington
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Texas Instruments 289448
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AUD 0.1153
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30A02CH-TL-E


ON Semiconductor Bipolar Transistors - BJT BIP PNP 0.7A 30V
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ON Semiconductor 288325
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AUD 0.1577
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MMBT2222A


Transistors (NPN/PNP) NPN 600mA 40V SOT-23 (SOT-23-3) RoHS
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Hottech 287217
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AUD 0.0137
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2N7002W


60V 115mA 5@10V,0.5A 200mW 2.5V@250uA 1PCSNChannel SOT-323 MOSFETs ROHS
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hongjiacheng 272327
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AUD 0.0164
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ULN2003A


Darlington transistor array driver SOP-16_150mil RoHS
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Mixic 239895
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AUD 0.0943
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ECC9634EU


Transistors (NPN/PNP) NPN 3A 30V SOT-89 (SOT-89-3) RoHS
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Changjing Electronics Technology 198850
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AUD 0.0538
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PMP4201Y,135


Bipolar Transistors - BJT MATCHED PAIR
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Nexperia 0
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AUD 0.1697
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