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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MMBT5551LT1G


Bipolar Transistors - BJT 600mA 160V NPN
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ON Semiconductor 288478
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AUD 0.0156
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S9013


25V 300mW 500mA 150MHz 600mV@500mA,50mA NPN -55℃~+150℃@(Tj) SOT-23 Bipolar Transistors - BJT ROHS
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JSMSEMI 219123
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AUD 0.0064
Multiples of: 100

PIMD2,115


Transistors Switching - Resistor Biased TRNS DOUBL RET TAPE7
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Nexperia 174600
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AUD 0.154
Multiples of: 1

MMBT5401S


SOT-23 Bipolar Transistors - BJT ROHS
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FOSAN 174357
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AUD 0.0069
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STB6N80K5


STMicroelectronics MOSFET
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STMicroelectronics 173630
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AUD 1.7016
Multiples of: 1000

BC548CTA


Transistors Bipolar - BJT NPN 30V 100mA HFE/8
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ON Semiconductor 172660
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AUD 0.0652
Multiples of: 2000

S8550 2TY


SOT-23 Bipolar Transistors - BJT ROHS
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FOSAN 172187
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AUD 0.0098
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ULN2003A


Darlington transistor array driver SOP-16 RoHS
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Youtai 171961
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AUD 0.084
Multiples of: 5

BC817,215


Transistors Bipolar - BJT TRANS GP TAPE-7
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Nexperia 339
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AUD 0.0197
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PMBT2907,215


Bipolar (BJT) Transistor PNP 40 V 600 mA 200MHz 250 mW Surface Mount TO-236AB
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Nexperia 38
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AUD 0.0444
Multiples of: 20

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