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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BC857B


SOT-23 Bipolar Transistors - BJT 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.

TWGMC Availability : 50952
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USD 0.0052

Multiples of: 20

SI2309A


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.

Youtai Availability : 50934
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USD 0.0236

Multiples of: 10

LBC856BLT1G


Transistors (NPN/PNP) PNP 100mA 65V SOT-23 (SOT-23-3) RoHS
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Leshan Availability : 50833
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USD 0.0071

Multiples of: 50

DXT458P5-13


Transistors Bipolar - BJT BIPOLAR TRANS,NPN 400V,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.

Diodes Incorporated Availability : 50769
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USD 0.1663

Multiples of: 5000

CJE3139K


MOSFET P Trench 20V 660mA 1.1V @ 250uA 520 mΩ @ 1A,4.5V SC-75 (SOT-523) 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.

Changjiang Availability : 50620
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USD 0.0204

Multiples of: 20

PBSS5240XF


Bipolar (BJT) Transistor PNP 40 V 2 A 150MHz 500 mW Surface Mount SOT-89
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Nexperia Availability : 50613
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USD 0.0644

Multiples of: 1

MMBF4416A


JFET N-Channel Switch
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ON Semiconductor Availability : 50586
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USD 0.0736

Multiples of: 1

BUK6D81-80EX


MOSFET BUK6D81-80ESOT1220SOT1220
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Nexperia Availability : 50511
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USD 0.123

Multiples of: 1

IRFL014TRPBF-BE3


N-Channel 60V 2.7A (Tc) 2W (Ta), 3.1W (Tc) Surface Mount SOT-223
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Vishay Availability : 50451
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USD 0.5945

Multiples of: 1

PDTC143ET,215


Transistors Switching - Resistor Biased TRANS RET TAPE-7
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Nexperia Availability : 7379
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USD 0.0122

Multiples of: 20

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