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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SI2307CDS-T1-BE3


P-Channel 30V 2.7A (Ta), 3.5A (Tc) 1.1W (Ta), 1.8W (Tc) Surface Mount SOT-23-3 (TO-236)
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Vishay 161205
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AUD 0.231
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KSP06TA


Bipolar (BJT) Transistor NPN 80 V 500 mA 100MHz 625 mW Through Hole TO-92-3
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ON Semiconductor 160890
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AUD 0.0768
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FJX2907ATF


Transistors Bipolar - BJT PNP Epitaxial Transistor
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ON Semiconductor 160050
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AUD 0.0688
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PEMB3,115


Trans Digital BJT PNP 50V 100mA Automotive 6-Pin SOT-666 T/R
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Nexperia 159080
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AUD 0.2268
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MMBT3904


Transistors (NPN/PNP) NPN 200mA 40V SOT-23 (SOT-23-3) RoHS
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Diotec 157140
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AUD 0.0179
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DDTC143FUA-7-F


Diodes Incorporated Bipolar Transistors - Pre-Biased 200MW 4.7K 22K
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Diodes Incorporated 157140
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AUD 0.0492
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MMBT3906


Transistors (NPN/PNP) PNP 200mA 40V SOT-23 RoHS
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Blue Rocket 156849
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AUD 0.0071
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S9013


25V 300mW 120@50mA,1V 500mA NPN SOT-23 Bipolar Transistors - BJT ROHS
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HXY MOS 151950
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AUD 0.0081
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BSS123


100V 200mA 3.5Ω@10V null SOT-23 MOSFETs ROHS
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Microdiode Electronics 120474
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AUD 0.0147
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2N3904BU


Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 625 mW Through Hole TO-92-3
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ON Semiconductor 38474
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AUD 0.0605
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