About Transistors

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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BC817-40W,115


Bipolar (BJT) Transistor NPN 45 V 500 mA 100MHz 200 mW Surface Mount SOT-323
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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.

Nexperia Availability : 60102
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AUD 0.0149

Multiples of: 50

KTC9013S-H-RTK/P


Transistors (NPN/PNP) NPN 500mA 30V 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.

KEC Availability : 59211
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AUD 0.0133

Multiples of: 50

BCX6825TA


transistors (npn/pnp) npn 1a 20v sot-89 (sot-89-3) rohs
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Diodes Incorporated Availability : 59170
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AUD 0.1358

Multiples of: 1000

ZXTP4003ZTA


Diodes Incorporated Bipolar Transistors - BJT Transistor LED Driver SOT89 T&R 1K
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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.

Diodes Incorporated Availability : 59170
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AUD 0.1562

Multiples of: 1000

BC337-40BK


Transistor: NPN; bipolar; 45V; 800mA; 625mW; TO92
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Diotec Availability : 58926
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AUD 0.1333

Multiples of: 1

SI4156DY-T1-GE3


MOSFET 30V 24A 6.0W 6.0mohm @ 10V
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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.

Vishay Availability : 58731
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AUD 0.5647

Multiples of: 1

YJL3401A


Transistor: P-MOSFET; TRENCH POWER LV; unipolar; -30V; -3.5A; 1.2W
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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.

Yangjie Availability : 58602
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AUD 0.054

Multiples of: 10

FQT4N20LTF


Transistor: N-MOSFET; unipolar; 200V; 0.68A; 2.2W; SOT223
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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.

ON Semiconductor Availability : 58518
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AUD 0.4549

Multiples of: 1

2N2222A


Transistors (NPN/PNP) NPN 600mA 40V TO-92 RoHS
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Blue Rocket Availability : 58417
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AUD 0.0218

Multiples of: 20

AO3400


30V 5A 35mΩ@10V,5A 1.4W N Channel SOT-23 MOSFETs 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.

Bourne Availability : 58378
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AUD 0.0417

Multiples of: 10

BC847A,215


Bipolar (BJT) Transistor NPN 45 V 100 mA 100MHz 250 mW Surface Mount TO-236AB
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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.

Nexperia Availability : 58200
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AUD 0.0146

Multiples of: 3000

BC847BLT3G


Bipolar Transistors - BJT 100mA 50V NPN
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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.

ON Semiconductor Availability : 58200
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AUD 0.0162

Multiples of: 10000

BC857BLT3G


Transistors Bipolar - BJT 100mA 50V PNP
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ON Semiconductor Availability : 58200
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AUD 0.0175

Multiples of: 10000

PDTA123JT,215


Transistors Switching - Resistor Biased TRANS RET TAPE-7
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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.

Nexperia Availability : 58200
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AUD 0.0183

Multiples of: 3000

BC856BLT3G


Transistors Bipolar - BJT 100mA 80V PNP
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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.

ON Semiconductor Availability : 58200
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AUD 0.0175

Multiples of: 10000

MMBT3906WT1G


ON Semiconductor Bipolar Transistors - BJT 200mA 40V PNP
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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.

ON Semiconductor Availability : 58200
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AUD 0.0203

Multiples of: 3000

Hot 2N7002BKW,115


MOSFET Single N-Channel 60V 300mA
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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.

Nexperia Availability : 57540
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AUD 0.0326

Multiples of: 10

BC817,215


Transistors Bipolar - BJT TRANS GP TAPE-7
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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.

Nexperia Availability : 53415
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AUD 0.0155

Multiples of: 50

PDTA143XT,215


Transistors Switching - Resistor Biased TRANS RET TAPE-7
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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.

Nexperia Availability : 10193
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AUD 0.0189

Multiples of: 1

BC846B-7-F


Bipolar Transistors - BJT BIPOLAR TRANSISTOR NPN SOT-23
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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.

Diodes Incorporated Availability : 2146
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AUD 0.0199

Multiples of: 20

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