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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MOSFET N Trench 60V 300mA 2.5V @ 250uA 5 Ω @ 500mA,10V SOT-23 (SOT-23-3) RoHS
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Hottech 90355
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AUD 0.016
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BSS138BK


50V 300mA 1.5@10V,500mA 300mW 1V@250uA 1PCSNChannel SOT-23 MOSFETs ROHS
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ElecSuper 56638
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AUD 0.0143
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Si2347DS-T1-GE3


Vishay Semiconductors MOSFET -30V .042Ohm10V 5A P-Ch G-III
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Vishay 38154
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AUD 0.2268
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AO3400


SOT-23 Bipolar (BJT) ROHS
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ALJ 38140
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AUD 0.0243
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FDN5618P


SOT-23 MOSFETs ROHS
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TECH PUBLIC 38125
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AUD 0.0881
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TIP32C


Bipolar (BJT) Transistor PNP 100 V 3 A 2 W Through Hole TO-220
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STMicroelectronics 38088
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AUD 0.2927
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SSM3J35CT,L3F


MOSFET Small-signal MOSFET ID=-0.1A VDSS=-20V
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Toshiba 38050
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AUD 0.0808
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MMBT5401LT3G


Transistors Bipolar - BJT 500mA 160V PNP
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ON Semiconductor 27897
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AUD 0.026
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BC817-40


Transistors (NPN/PNP) NPN 500mA 45V SOT-23 (SOT-23-3) RoHS
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Changjing Electronics Technology 27014
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AUD 0.0172
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MMBT8050D(1.5A)-Y1


Transistors (NPN/PNP) NPN 1.5A 25V SOT-23 (SOT-23-3) RoHS
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Semtech 12561
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AUD 0.0156
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