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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ROHM Semiconductor Bipolar Transistors - BJT TRANS GP BJT NPN PNP 30V 1.5A 5PIN
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ROHM 2849
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AUD 0.2361
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IRFD310PBF


N-Channel 400 V 350mA (Ta) 1W (Ta) Through Hole 4-HVMDIP
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Vishay 2849
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AUD 1.0715
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WM12N35M2


Transistor: N-MOSFET; unipolar; SOT23
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Wayon 2848
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AUD 0.158
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MJD31CQ-13


Bipolar (BJT) Transistor NPN 100 V 3 A 3MHz 15 W Surface Mount TO-252-3
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Diodes Incorporated 2848
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AUD 0.4207
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ZXTN2018FTA


Diodes Incorporated Bipolar Transistors - BJT NPN 60V Transistor
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Diodes Incorporated 2848
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AUD 0.794
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FJV4104RMTF


Transistors Switching - Resistor Biased 50V/100mA/47K 47K
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ON Semiconductor 2847
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AUD 0.0404
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BC817-25W.115


Transistor: NPN; bipolar; 45V; 0.5A; 200mW; SOT323
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Nexperia 2847
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AUD 0.052
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MPSA56


Transistor: PNP; bipolar; 80V; 500mA; 625mW; TO92
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Diotec 2846
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AUD 0.048
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STL57N65M5


STMicroelectronics MOSFET N-Ch 650V 0.061 Ohm 40 A Mdmesh M5
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STMicroelectronics 2845
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AUD 6.859
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BSC011N03LS


MOSFET N-Ch 30V 100A TDSON-8 OptiMOS
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Infineon 2585
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AUD 0.7618
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