About Transistors

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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Hot PMBS3904,215


Bipolar (BJT) Transistor NPN 40 V 100 mA 180MHz 250 mW Surface Mount TO-236AB
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Nexperia Availability : 38024
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USD 0.0123

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STL120N8F7


MOSFET N-channel 80 V, 3.7 mOhm typ., 120 A STripFET F7 Power MOSFET in a PowerFLAT 5x6 package
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STMicroelectronics Availability : 29100
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USD 1.0418

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FDMS8320L


MOSFET 40V/20V NCh PowerTrench MOSFET
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ON Semiconductor Availability : 29100
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USD 1.2092

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STL18N65M5


MOSFET N-CH 650V 0.215Ohm 15A MDmesh V
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STMicroelectronics Availability : 29100
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USD 1.4152

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IPB025N10N3GATMA1


Transistor: N-MOSFET; unipolar; 100V; 180A; 300W; PG-TO263-7
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Infineon Availability : 29100
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USD 2.7562

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CMPTA92E TR


Bipolar Transistors - BJT PNP Enh FET 500mA 350Vcbo 350Vceo
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Central Semiconductor Availability : 29092
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USD 0.1884

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BRCS2310MA


SOT-23 MOSFETs ROHS
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Blue Rocket Availability : 29090
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USD 0.0277

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MMBT5551W-AU_R1_007A1


Bipolar Transistors - BJT NPN HIGH VOLTAGE TRANSISTOR,AEC-Q101 qualified
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Panjit Availability : 29080
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USD 0.0245

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BCW68GLT3G


ON Semiconductor Bipolar Transistors - BJT GENRL TRANSISTOR
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ON Semiconductor Availability : 29075
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USD 0.0209

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DMC2990UDJQ-7B


MOSFET MOSFET BVDSS: 8V-24V
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Diodes Incorporated Availability : 29045
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USD 0.0759

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KRC103S-RTK/P


Transistors (NPN/PNP) NPN - Pre-Biased 100mA 50V SOT-23 (SOT-23-3) RoHS
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KEC Availability : 29041
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USD 0.0112

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FDD8876


MOSFET 30V N-Channel PowerTrench MOSFET
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ON Semiconductor Availability : 29032
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USD 0.6383

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MMBTA92-MS


SOT-23 Bipolar Transistors - BJT ROHS
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MSKSEMI Availability : 29022
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USD 0.0119

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LMUN5214T1G


1 NPN - Pre Biased 100mA 50V SOT-323-3 Digital Transistors ROHS
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Leshan Availability : 29003
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USD 0.0101

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DTC123EUAT106


Transistors Switching - Resistor Biased NPN 50V 100MA SOT-323
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ROHM Availability : 29003
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USD 0.0176

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PMST2369,115


Bipolar (BJT) Transistor NPN 15 V 200 mA 500MHz 200 mW Surface Mount SOT-323
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Nexperia Availability : 29003
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USD 0.0592

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IRFB4410ZPBF


MOSFET N Trench 100V 97A 4V @ 150uA 9 mΩ @ 58A,10V TO-220 (TO-220-3) RoHS
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Infineon Availability : 29002
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USD 0.4057

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FDD86581_F085


MOSFET 60V NChnl Power Trench MOSFET
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ON Semiconductor Availability : 28995
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USD 0.528

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BCR 198 E6327


Transistors Switching - Resistor Biased PNP Silicon Digital TRANSISTOR
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Infineon Availability : 28989
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USD 0.0352

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SMUN2214T1G


ON Semiconductor Bipolar Transistors - Pre-Biased SS SC59 BR XSTR PNP 50V
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ON Semiconductor Availability : 28975
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USD 0.0319

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