About Transistors

?Ourns 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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ULN2003


3V@2V,300mA 1.35mA@3.85V 1.6V@350mA 500mA SOP-16 Darlington Transistor Arrays 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.

MSKSEMI Availability : 23310
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USD 0.0662

Multiples of: 5

2SA2029M3T5G


Transistors Bipolar - BJT 100mA 60V PNP
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ON Semiconductor Availability : 23300
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USD 0.0418

Multiples of: 1

BC856B


65V 200mW 100mA PNP SOT-23 Bipolar Transistors - BJT ROHS
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HXY MOS Availability : 23280
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USD 0.0057

Multiples of: 50

BC817-40-TP


Bipolar (BJT) Transistor NPN 45 V 800 mA 100MHz 310 mW Surface Mount SOT-23
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Micro Commercial Components (MCC) Availability : 23280
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USD 0.01

Multiples of: 3000

PDTA114TT,215


Transistor: PNP; bipolar; BRT; 50V; 100mA; 250mW; SOT23; 10kO
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Nexperia Availability : 23280
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USD 0.0116

Multiples of: 1

PDTA124EU,115


Transistors Switching - Resistor Biased TRANS RET TAPE-7
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Nexperia Availability : 23280
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USD 0.0116

Multiples of: 24000

PDTA143ZU,115


Transistor: PNP; bipolar; BRT; 50V; 100mA; 200mW; SOT323; R1: 4.7kO
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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 : 23280
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USD 0.0135

Multiples of: 24000

BC858CE6327HTSA1


Bipolar Transistors - BJT PNP Silicon AF TRANSISTOR
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Infineon Availability : 23280
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USD 0.0157

Multiples of: 1

MMBTH10M3T5G


Trans GP BJT NPN 25V Automotive 3-Pin SOT-723 T/R
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ON Semiconductor Availability : 23280
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USD 0.022

Multiples of: 8000

PUMD18,115


Transistors Switching - Resistor Biased DOUBLE RET
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Nexperia Availability : 23280
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USD 0.0225

Multiples of: 3000

BC858BW-7-F


Bipolar Transistors - BJT PNP BIPOLAR
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Diodes Incorporated Availability : 23280
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USD 0.0229

Multiples of: 3000

SMUN5211T1G


Bipolar Transistors - Pre-Biased SS BR XSTR SPCL TR
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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 : 23280
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USD 0.0256

Multiples of: 24000

BCX19,215


Bipolar (BJT) Transistor NPN 45 V 500 mA 100MHz 250 mW Surface Mount TO-236AB
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Nexperia Availability : 23280
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USD 0.0259

Multiples of: 3000

RU8205C6


MOSFET 2 N Channel (Dual) 20V 6A 1.5V @ 250uA 22 mΩ @ 6A,4.5V SOT-23-6 RoHS
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Ruichips Availability : 23280
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USD 0.0273

Multiples of: 10

PUMD6,115


Transistors Switching - Resistor Biased TRNS DOUBL RET TAPE7
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Nexperia Availability : 23280
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USD 0.0275

Multiples of: 24000

MMST3906-7-F


Transistors Bipolar - BJT -40V 200mW
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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 : 23280
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USD 0.0285

Multiples of: 3000

BC848BMTF


Transistors Bipolar - BJT SOT-23 NPN GP AMP
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ON Semiconductor Availability : 23280
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USD 0.0295

Multiples of: 1

BSS63,215


Bipolar Transistors - BJT TRANS HV TAPE-7
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Nexperia Availability : 23280
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USD 0.0296

Multiples of: 3000

MSC2712GT1G


Bipolar (BJT) Transistor NPN 50 V 100 mA 50MHz 200 mW Surface Mount SC-59
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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 : 23280
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USD 0.0302

Multiples of: 3000

2N7002LT7G


MOSFET NFET SOT23 60V 115MA 7.5O
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ON Semiconductor Availability : 38
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USD 0.0195

Multiples of: 20

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