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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SI2302CDS-T1-GE3


N-Channel 20 V 2.6A (Ta) 710mW (Ta) Surface Mount SOT-23-3 (TO-236)
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Vishay 250211
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AUD 0.0703
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MPS2907ARLRA


Trans GP BJT PNP 60V 0.6A 3-Pin TO-92 T/R
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ON Semiconductor 139404
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AUD 0.4949
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PUMH18,115


Transistors Switching - Resistor Biased TRNS DOUBL RET TAPE7
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Nexperia 138257
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AUD 0.0681
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DCX114YU-7-F


Transistors Switching - Resistor Biased COMP NPN/PNP 200mW
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Diodes Incorporated 137320
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AUD 0.0493
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MUN5241T1G


ON Semiconductor Bipolar Transistors - Pre-Biased NPN DIGITAL TRANSISTOR
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ON Semiconductor 136770
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AUD 0.0291
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DPBT8105-7


Transistors Bipolar - BJT 1A
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Diodes Incorporated 136770
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AUD 0.0582
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ULN2003A


Darlington transistor array driver SOP-16_150mil RoHS
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Mixic 134660
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AUD 0.1048
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AO3407


MOSFET P Trench 30V 4.1A 3V @ 250uA 60 mΩ @ 4.1A,10V SOT-23 (SOT-23-3) RoHS
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Hottech 134480
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AUD 0.032
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AO3400A


30V 6A 19m@10V,6.0A 1.4W 1V@250uA 1PCSNChannel SOT-23-3L MOSFETs ROHS
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ElecSuper 134325
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AUD 0.027
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AO3402


MOSFET N Trench 30V 4A 1.4V @ 250uA 55 mΩ @ 4A,10V SOT-23-3L RoHS
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Alpha & Omega 123199
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AUD 0.0806
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