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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BC850


BC850 SOT23 MICROMIN TRANS ON Reel
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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.

NXP Availability : 0
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by Wed. 31 Jul
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USD 0.0374

Multiples of: 1

BC847C/T1


BC847C/T1 USE 405048FB SMD
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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.

Taiwan Semiconductor Availability : 0
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by Wed. 31 Jul
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USD 0.0414

Multiples of: 1

715007RB


BC639 LOOSE/DELTA PINS TO92 800MW NPN 80V 1 T/HOLE
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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 : 0
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by Wed. 31 Jul
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USD 0.0537

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2N3904G


2N3904G ROHS NPN TO92 60V SWITCHING TRANS T
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Central Semiconductor Availability : 0
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by Wed. 31 Jul
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USD 0.0559

Multiples of: 1

BC557


Bipolar Transistors - BJT PNP -45V -100mA HFE/800
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ON Semiconductor Availability : 0
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by Wed. 31 Jul
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USD 0.0624

Multiples of: 1

BC337-25/116


TO-92 NPN 45V RADIAL Reel T/HO Reel
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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 : 0
Ships to you
by Wed. 31 Jul
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USD 0.0635

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BC547C-FSC


Bipolar Small Signal NPN 45V 100mA HFE/8
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ON Semiconductor Availability : 0
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by Wed. 31 Jul
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USD 0.0655

Multiples of: 1

BC547-112


BC547 100MA 45V SOT54 VARIANT PKGE DELTA PIN T/HOLE LOOSE
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Central Semiconductor Availability : 0
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by Wed. 31 Jul
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USD 0.0688

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MPSA75


MPSA75 E-LINE TRANS T/HOLE
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ON Semiconductor Availability : 0
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by Wed. 31 Jul
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USD 0.0709

Multiples of: 1

BSS84/NXP


MOSFET P-CH -50 V -180 mA SOT23 SMD
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NXP Availability : 0
Ships to you
by Wed. 31 Jul
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USD 0.0799

Multiples of: 1

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