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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2N4403


Transistor: PNP; bipolar; 40V; 600mA; 625mW; TO92
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Diotec 3686
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AUD 0.0326
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BCX70K.215


Transistor: NPN; bipolar; 45V; 100mA; 250mW; SOT23
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Nexperia 3686
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AUD 0.0756
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NTMFS5C670NLT3G


MOSFET NFET SO8FL 40V 68A 6.7M
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ON Semiconductor 3686
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AUD 0.4071
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TIP147TU


Bipolar (BJT) Transistor PNP - Darlington 100 V 10 A 80 W Through Hole TO-3PN
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ON Semiconductor 3686
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AUD 1.8333
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DTC143XCAT116


Bipolar Transistors - Pre-Biased NPN 100mA 50V w/bias resistor
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ROHM 3685
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AUD 0.0489
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ASDM4100S-R


SOP-8 MOSFETs ROHS
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Ascend 3685
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AUD 0.253
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MS10N10


100V 12A 115Ω@10V 347W N Channel TO-252 MOSFETs ROHS
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MSKSEMI 3685
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AUD 0.2985
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MMSTA64-7-F


Diodes Incorporated Darlington Transistors PNP BIPOLAR
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Diodes Incorporated 3684
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AUD 0.1048
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BSC0901NSIXT


MOSFET OptiMOS Power MOSFET
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Infineon 3684
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AUD 0.951
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NSBC114EPDXV6T1G


Transistors Switching - Resistor Biased 100mA Complementary 50V Dual NPN & PNP
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ON Semiconductor 3589
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AUD 0.0935
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