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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S9012-TA


Transistors (NPN/PNP) PNP 500mA 25V SOT-23 (SOT-23-3) RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Changjing Electronics Technology 16878
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AUD 0.0169
Multiples of: 50

BD239C


Bipolar (BJT) Transistor NPN 100 V 2 A 2 W Through Hole TO-220
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STMicroelectronics 8749
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AUD 0.2689
Multiples of: 1

2N3415


Transistors Bipolar - BJT NPN 25V 500mA BULK HFE/540
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Central Semiconductor 8749
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AUD 0.9365
Multiples of: 1

UMY1N


SOT-353 Bipolar Transistors - BJT ROHS
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Changjing Electronics Technology 8739
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AUD 0.0494
Multiples of: 10

PJA3402_R1_00501


Transistor: N-MOSFET; unipolar; 30V; 4.4A; Idm: 17.6A; 1.25W; SOT23
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Panjit 8734
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AUD 0.1066
Multiples of: 1

SI3139KDW-TP-ES


20V 500mA 580m@4.5V,0.5A 150mW 620mV@250uA 1PCSPChannel SOT-323 MOSFETs ROHS
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ElecSuper 8710
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AUD 0.0204
Multiples of: 20

SI4559ADY-T1-E3


Mosfet Array N and P-Channel 60V 5.3A, 3.9A 3.1W, 3.4W Surface Mount 8-SOIC
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Vishay 8521
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AUD 1.141
Multiples of: 1

S-LMBT4403WT1G


Bipolar (BJT) Transistor PNP 40V 600mA 200MHz 150mW Surface Mount SC-70
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Leshan 8419
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AUD 0.0345
Multiples of: 10

MMBT3904-MS


SOT-23 Bipolar Transistors - BJT ROHS
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MSKSEMI 5577
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AUD 0.0107
Multiples of: 50

9435A


30V 5.3A 36mΩ 2.5V P Channel SOP-8 MOSFETs ROHS
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HL 5228
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AUD 0.052
Multiples of: 10

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