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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MMDT5551


Bipolar (BJT) Transistor 150V 600mA 100MHz 300mW Surface Mount SOT-363
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GOODWORK 4966
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AUD 0.0238
Multiples of: 20

WST3427


20V 2.5A 140mO@4.5V,2A 1W P Channel SOT-23N MOSFETs ROHS
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Winsok 4966
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AUD 0.0441
Multiples of: 10

BC557B


Transistors (NPN/PNP) TO-92 RoHS
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LGE 4966
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AUD 0.05
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MMBFJ176


Transistor: P-JFET; unipolar; 225mW; SOT23; 50mA
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ON Semiconductor 4966
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AUD 0.2744
Multiples of: 5

RSD221N06TL


ROHM Semiconductor MOSFET Trans MOSFET N-CH 60V 22A
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ROHM 4964
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AUD 1.3674
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ADTC143ECAQ-13


Bipolar Transistors - Pre-Biased Prebias Transistor SOT23 T&R 10K
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Diodes Incorporated 4963
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AUD 0.0804
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SSM6N44FE,LM


Mosfet Array 2 N-Channel (Dual) 30V 100mA 150mW Surface Mount ES6
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Toshiba 4961
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AUD 0.113
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TDM3478


MOSFET N Trench 30V 54A 2.5V @ 250uA 6 mΩ @ 12A,10V DFN 3x3 RoHS
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Techcode 4961
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AUD 0.2116
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FDMS8880


Fairchild Semiconductor MOSFET 30V N-Channel PowerTrench
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ON Semiconductor 4959
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AUD 0.5616
Multiples of: 1

IXTH30N60L2


MOSFET 30 Amps 600V
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IXYS 4959
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AUD 23.3134
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