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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ULN2803A


Darlington transistor array driver SOP-18 RoHS
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Youtai 205654
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AUD 0.1726
Multiples of: 5

IRF640NPBF


MOSFET N Trench 200V 18A 4V @ 250uA 150 mΩ @ 11A,10V TO-220 (TO-220-3) RoHS
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Infineon 193418
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AUD 0.2665
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PUMD3,135


NXP Semiconductors Bipolar Transistors - Pre-Biased Trans Digital BJT NPNPNP 50V 6-Pin
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Nexperia 126100
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AUD 0.0732
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AON7934


Transistor: N-MOSFET x2; unipolar; 30/30V; 12/14A; 9/10W; DFN8
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Alpha & Omega 125362
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AUD 0.1607
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MUN2135T1G


Bipolar Transistors - Pre-Biased PNP DIGITAL TRANSISTOR
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ON Semiconductor 125130
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AUD 0.0284
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MMBT5551


100nA 160V 300mW 600mA 100@10mA,5V 100MHz 300mV@50mA,5mA NPN -55℃~+150℃@(Tj) SOT-23 Bipolar Transistors - BJT ROHS
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GOODWORK 120862
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AUD 0.0098
Multiples of: 50

MMBT3904-1AM


Transistors (NPN/PNP) NPN 200mA 40V SOT-23 RoHS
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Microdiode Electronics 116594
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AUD 0.0083
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LMBT3906LT1G


Transistors (NPN/PNP) PNP 200mA 40V SOT-23 (SOT-23-3) RoHS
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Leshan 102189
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AUD 0.0102
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AO4407A


SOP-8 MOSFETs ROHS
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Youtai 98906
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AUD 0.114
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BC33725BU


Transistor: NPN; bipolar; 45V; 0.8A; 625mW; TO92
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ON Semiconductor 28351
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AUD 0.0707
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