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 20V 540mA Dual N-Channel w/ESD
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ON Semiconductor 7139
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AUD 0.039
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2N7002-HF


N-Channel 60 V 250mA (Ta) 350mW (Ta) Surface Mount SOT-23-3
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Comchip 5220
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AUD 0.0667
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2SA1037AKT146R


Bipolar (BJT) Transistor PNP 50 V 150 mA 140MHz 200 mW Surface Mount SMT3
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ROHM 5218
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AUD 0.0285
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DTC143ECAT116


Bipolar Transistors - Pre-Biased NPN 100mA 50V w/bias resistor
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ROHM 5218
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AUD 0.0489
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DTA123YMT2L


Bipolar Transistors - Pre-Biased Digital Trans wRes VMT3
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ROHM 5218
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AUD 0.0663
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DTA113ZKAT146


Transistors Switching - Resistor Biased PNP 50V 100MA
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ROHM 5216
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20N06


TO-252 MOSFETs ROHS
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Youtai 5215
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APM2305AC


SOT-23 MOSFETs ROHS
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TECH PUBLIC 5214
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AUD 0.0696
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SMBTA14E6327HTSA1


Trans Darlington NPN 30V 0.3A Automotive 3-Pin SOT-23 T/R
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Infineon 5213
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AUD 0.1298
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ULN2003ADTR(XBLW)


Seven channels 50V 500mA SOP-16 Darlington Transistor Arrays ROHS
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XBLW 5212
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AUD 0.0962
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