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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SMMBT6521LT1G


Bipolar (BJT) Transistor NPN 25 V 100 mA 225 mW Surface Mount SOT-23-3 (TO-236)
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ON Semiconductor 194970
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AUD 0.2996
Multiples of: 1

FJPF3305H1TU


Transistors Bipolar - BJT NPN Silicon Trans
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ON Semiconductor 193130
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AUD 0.8728
Multiples of: 765

UMT3906T106


Bipolar (BJT) Transistor PNP 40 V 200 mA 250MHz 200 mW Surface Mount UMT3
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ROHM 192060
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AUD 0.046
Multiples of: 3000

FJV3105RMTF


Transistors Switching - Resistor Biased 50V/100mA/4.7K 10K
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ON Semiconductor 192060
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AUD 0.0513
Multiples of: 1

BC847B.215


Transistor: NPN; bipolar; 45V; 100mA; 250mW; SOT23
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Nexperia 181545
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AUD 0.0506
Multiples of: 1

IRF640NPBF


MOSFET N Trench 200V 18A 4V @ 250uA 150 mΩ @ 11A,10V TO-220 (TO-220-3) RoHS
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Infineon 143031
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AUD 0.251
Multiples of: 5

IRLML2402TRPBF


MOSFET N Trench 20V 1.2A 700mV @ 250uA 250 mΩ @ 930mA,4.5V SOT-23 (SOT-23-3) RoHS
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Infineon 113490
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AUD 0.2083
Multiples of: 3000

2N3904S-RTK/PS


Transistors (NPN/PNP) NPN 200mA 40V SOT-23 (SOT-23-3) RoHS
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KEC 82231
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AUD 0.0096
Multiples of: 25

PMBTA42,215


Bipolar (BJT) Transistor NPN 300 V 100 mA 50MHz 250 mW Surface Mount TO-236AB
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Nexperia 21107
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AUD 0.0473
Multiples of: 10

IRL520NPBF


Transistor: N-MOSFET; unipolar; 100V; 10A; 48W; TO220AB
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Infineon 0
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AUD 0.57
Multiples of: 30

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