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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2N3391A


Transistors Bipolar - BJT NPN 25V 500mA BULK HFE/500
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Central Semiconductor 22113
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AUD 0.3875
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PJM3415PSA


MOSFET P Trench 20V 4A 1V @ 250uA 50 mΩ @ 4A,4.5V SOT-23 RoHS
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Pingjingsemi 5587
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AUD 0.0689
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DMC3025LDV-13


MOSFET MOSFET BVDSS 31V-40V
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Diodes Incorporated 5478
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AUD 0.3546
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MMPQ3904


Transistors Bipolar - BJT NPN Multi-Chip Trans General Purpose
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ON Semiconductor 5349
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AUD 1.8489
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SMUN5114DW1T1G


Bipolar Transistors - Pre-Biased SMUN5114DW1T1G
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ON Semiconductor 5096
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AUD 0.0903
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IAUTN12S5N018TATMA1


MOSFETs N
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Infineon 4221
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AUD 5.9925
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EMX3T2R


ROHM Semiconductor Bipolar Transistors - BJT DUAL NPN 50V 150MA
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ROHM 4125
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AUD 0.1354
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S-LMUN2211LT1G


SOT-23 Digital Transistors ROHS
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Leshan 1843
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AUD 0.029
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IRLML2402


16V 1.2A null SOT-23 MOSFETs ROHS
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Hottech 1231
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AUD 0.0411
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IAUC120N04S6L005ATMA1


N-Channel 40V 120A (Tj) 187W (Tc) Surface Mount PG-TDSON-8-53
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Infineon 537
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AUD 2.0687
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