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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ULN2803CDWR


Darlington Transistors 50-V, eight-channel darlington array 20-SOIC -40 to 85
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Texas Instruments 3705
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AUD 0.8318
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TM30N10D


TO-252-3L MOSFETs ROHS
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Tritech-MOS 1246
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AUD 0.1759
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RSR025P03HZGTL


MOSFET PCH -30V -2.5A SMALL SIGNAL MO
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ROHM 1227
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AUD 0.165
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AG502EGD3HRBTL


MOSFETs Pch -40V -68A, TO-252 (DPAK), Power MOSFET for Automotive
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ROHM 1227
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AUD 1.0073
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SP8M4FRATB


MOSFET Nch+Pch 30V Vds 9A 0.017Rds(on) 15Qg
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ROHM 1227
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AUD 1.9701
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NVMFS5C404NLET1G


MOSFETs T6-40V N 0.67 MOHMS LL
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ON Semiconductor 1227
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AUD 2.1686
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IRF510STRRPBF


N-Channel 100 V 5.6A (Tc) 3.7W (Ta), 43W (Tc) Surface Mount D²PAK (TO-263)
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Vishay 1207
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AUD 0.9013
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KIA35P10AD


MOSFET TO-252-2 (DPAK) RoHS
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KIA 1188
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AUD 0.2744
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SI4948BEY


SOP-8 MOSFETs ROHS
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Youtai 771
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AUD 0.1719
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MC7805BDTRKG-JSM


TO-252-2 MOSFETs ROHS
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JSMSEMI 470
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AUD 0.1034
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