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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BC557/116


BC557/116 TAPE AND Reel TO-92 PNP 45V ON RADIAL Reel T
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USD 0.0186

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BC556/112


BC556/112 IMI PACTROL TRANS.
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USD 0.0187

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BC556/116


BC556/116 TAPE AND Reel PNP TO92 65V RADIAL Reel T/HOL
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Central Semiconductor Availability : 0
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USD 0.0217

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715083GB


MPSA42G NPNTRANS.VCEO* LOOSE STOCK
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USD 0.0238

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BC849/BULKL


BC849/BULKL SOT23 GP TRANS 2B SMD
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NXP Availability : 0
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USD 0.0244

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BCX17LT1


BCX17LT1 SOT23 MED POWER TRAN
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USD 0.0257

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BC547C/B


BC547C/B #2401 PCN200001001S T/HOLE
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USD 0.0262

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BC546/116


BC546/116 - TAPE TO-92 NPN 65V 1W RADIAL TAPE
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USD 0.0272

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BC559C


BC559C TO92 GP PNP 30V 380- T/HOLE
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USD 0.0301

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BCX71H/T1


BCX71H/T1 SOT23 S.S TRANSIST SMD
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ROHM Availability : 0
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USD 0.0306

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BCX70H/T1


BCX70H/T1 S.S TRANSISTOR SMD
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USD 0.0306

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715119DB


2N4401 NPN TRANS VCEO=40V T/HOLE Reel
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Central Semiconductor Availability : 0
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USD 0.0337

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BC639-16ZL1G


BC639-16ZL1G TO-92 80V LF TRANS RADIAL AMMO
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USD 0.0367

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BC850


BC850 SOT23 MICROMIN TRANS ON Reel
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NXP Availability : 0
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USD 0.0374

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MPSA63ZL1


MPSA63ZL1 MPSA63ZL1 T/HOLE
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USD 0.0409

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BC847C/T1


BC847C/T1 USE 405048FB SMD
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Taiwan Semiconductor Availability : 0
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USD 0.0414

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MPSA43


MPSA43 #0202 PCN12106
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USD 0.0423

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2N7002215


MOSFET N-CH TRNCH 60V 300MA
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NXP Availability : 0
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USD 0.0451

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TBC859-B(T5L


TBC859-B(T5L M) LTB 13-2-98 SMD
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Toshiba Availability : 0
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USD 0.0478

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BF199


BF199 SS TRANS TO92 PREF T/HOLE
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NXP Availability : 0
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USD 0.0524

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1 2345...

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