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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BFS17A,215


Trans GP BJT NPN 15V 0.025A 3-Pin TO-236AB TR
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NXP 5335
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AUD 0.1195
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FDN339AN


Transistor: N-MOSFET; unipolar; 20V; 3A; 0.5W; SuperSOT-3
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ON Semiconductor 5335
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AUD 0.2079
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BUJ303A,127


Transistors Bipolar - BJT RAIL BIPOLAR
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NXP 5333
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AUD 0.5649
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NSS40302PDR2G


Transistors Bipolar - BJT COMP NPN/PNP LO VCE 40V 6A
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ON Semiconductor 5331
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AUD 0.7166
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IRFR110PBF


N-Channel 100 V 4.3A (Tc) 2.5W (Ta), 25W (Tc) Surface Mount D-Pak
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Vishay 5323
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AUD 0.5139
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2N5770


Transistors Bipolar - BJT NPN RF Amp/Osc
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Central Semiconductor 5309
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AUD 0.1587
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CJX3439K


1PCSN-Channel&1PCSP-Channel SOT-666-6 MOSFETs ROHS
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Changjing Electronics Technology 5296
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AUD 0.0652
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2N7002K-T1-E3


MOSFET 60V Vds 20V Vgs SOT-23
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Vishay 5281
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AUD 0.0791
Multiples of: 5

ULN2803AD


Darlington transistor array driver SOP-18 RoHS
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HTC Korea 5241
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AUD 0.5969
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2SB1181TLQ


Bipolar (BJT) Transistor PNP 80 V 1 A 100MHz 10 W Surface Mount CPT3
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ROHM 3451
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AUD 1.7453
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