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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2N7002


60V 115mA 1.2Ω@10V,500mA 200mW 2.1V@250uA 4pF@25V N Channel 20pF@25V +150℃@(Tj) SOT-23 MOSFETs ROHS
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JSMSEMI Availability : 323980
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USD 0.005

Multiples of: 50

BSS123NH6433XTMA1


N-Channel 100 V 190mA (Ta) 500mW (Ta) Surface Mount PG-SOT23
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Infineon Availability : 320100
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USD 0.0399

Multiples of: 10000

MMBT 3904 LT1


Transistors Bipolar - BJT AF TRANS GP BJT NPN 40V 0.2A
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Infineon Availability : 314525
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USD 0.0352

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BC857BW-7-F


Transistors Bipolar - BJT BIPOLAR TRANSISTOR PNP SOT-323
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Diodes Incorporated Availability : 314280
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USD 0.014

Multiples of: 3000

FDC6420C


SOT-23-6 MOSFETs ROHS
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ON Semiconductor Availability : 314280
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USD 0.2688

Multiples of: 3000

NSBA123JF3T5G


ON Semiconductor Bipolar Transistors - Pre-Biased SOT-1123 PBRT TRANSISTOR
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ON Semiconductor Availability : 310400
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USD 0.0462

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NSBA143ZF3T5G


ON Semiconductor Bipolar Transistors - Pre-Biased SOT-1123 PBRT TRANSISTOR
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ON Semiconductor Availability : 310400
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USD 0.0462

Multiples of: 1

NSBA123EF3T5G


Bipolar Transistors - Pre-Biased PNP Bipolar Digital Transistor (BRT)
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ON Semiconductor Availability : 310400
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USD 0.0576

Multiples of: 1

2SA2202-TD-E


Bipolar (BJT) Transistor PNP 100 V 2 A 300MHz 3.5 W Surface Mount PCP
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ON Semiconductor Availability : 308460
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USD 0.1964

Multiples of: 1

FJX3014RTF


Transistors Switching - Resistor Biased NPN Si Transistor Epitaxial
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ON Semiconductor Availability : 307489
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USD 0.0385

Multiples of: 1

MMBT4401-7


Bipolar Transistors - BJT 40V 300mW
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Diodes Incorporated Availability : 306908
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USD 0.0269

Multiples of: 1

NSBA144TF3T5G


Bipolar Transistors - Pre-Biased PNP Bipolar Digital Transistor (BRT)
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ON Semiconductor Availability : 302640
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USD 0.0576

Multiples of: 1

NSBC124XF3T5G


Bipolar Transistors - Pre-Biased NPN Bipolar Digital Transistor (BRT)
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ON Semiconductor Availability : 302640
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USD 0.1035

Multiples of: 1

PMP4201Y,135


Bipolar Transistors - BJT MATCHED PAIR
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Nexperia Availability : 300399
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USD 0.1177

Multiples of: 1

2N7002K-TP


Micro Commercial Components (MCC) MOSFET 350mW, 60V, 340mA
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Micro Commercial Components (MCC) Availability : 291000
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USD 0.0129

Multiples of: 3000

BSS169 H6327


Infineon Technologies MOSFET N-Ch 100V 90mA SOT-23-3
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Infineon Availability : 271954
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USD 0.065

Multiples of: 5

DTC043ZEBTL


Bipolar Transistors - Pre-Biased NPN Digital Transtr w/built in resistors
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ROHM Availability : 233013
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USD 0.0115

Multiples of: 20

BC807-25,215


Bipolar (BJT) Transistor PNP 45 V 500 mA 80MHz 250 mW Surface Mount TO-236AB
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Nexperia Availability : 1115
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USD 0.0129

Multiples of: 50

PMDXB550UNEZ


NXP Semiconductors MOSFET 30V Dual N-Channel Trench MOSFET
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Nexperia Availability : 0
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USD 0.0935

Multiples of: 1

BC847SH6433XTMA1


Trans GP BJT NPN 45V 0.1A Automotive 6-Pin SOT-363 T/R
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Infineon Availability : 0
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USD 0.0517

Multiples of: 20000

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