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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BC817


Transistors (NPN/PNP) SOT-23 RoHS
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Shikues 59752
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AUD 0.0145
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LSI1012XT1G


20V 500mA 250mW 410mΩ@4.5V,600mA 900mV@250uA N Channel SC-89 MOSFETs ROHS
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Leshan 48325
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AUD 0.0307
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2PC4617QM,315


NXP Semiconductors Bipolar Transistors - BJT TRANS GP TAPE-7
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Nexperia 48306
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AUD 0.0383
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PJQ4403P_R2_00001


MOSFET /4403/TR/13"/HF/5K/DFN3333-8L/MOS/DFN/NFET-30FQMP//PJ/DFN33338L-AS09/PJQ4403P-AS76/DFN33338L-AS01
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Panjit 48237
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AUD 0.3231
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FDME1023PZT


MOSFET 20V Dual P-Channel PowerTrench
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ON Semiconductor 48148
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AUD 0.5406
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BC807-40


45V 300mW 250@100mA,1V 500mA PNP SOT-23 Bipolar Transistors - BJT ROHS
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HXY MOS 47869
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AUD 0.0179
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BSS131


SOT-23 MOSFETs ROHS
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HXY MOS 47617
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AUD 0.0901
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BC817.215


Transistor: NPN; bipolar; 45V; 500mA; 250mW; SOT23
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Nexperia 38928
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AUD 0.074
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Hot BC817W,135


NXP Semiconductors Bipolar Transistors - BJT TRANS GP TAPE-11
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Nexperia 38180
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AUD 0.0143
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MMBTA92


Transistors (NPN/PNP) PNP 200mA 300V SOT-23 (SOT-23-3) RoHS
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Changjing Electronics Technology 27742
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AUD 0.0268
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