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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BC556/116


BC556/116 TAPE AND Reel PNP TO92 65V RADIAL Reel T/HOL
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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.

Central Semiconductor Availability : 746
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USD 0.0217

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IRLL014NPBF


MOSFET N Trench 55V 2A 2V @ 250uA 140 mΩ @ 2A,10V SOT-223 RoHS
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Infineon Availability : 743
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USD 0.174

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SS9015CBU


Bipolar (BJT) Transistor PNP 45V 100mA 190MHz 450mW Through Hole TO-92-3
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ON Semiconductor Availability : 712
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USD 0.0731

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MJE3055T


Transistor: NPN; bipolar; 70V; 10A; 90W; TO220AB
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STMicroelectronics Availability : 693
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USD 0.333

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BC556/FSC


BC556 IN LINE PIN PNP
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ON Semiconductor Availability : 679
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USD 0.1234

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2N3055


2N3055 TRANSISTOR T/HOLE
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ON Semiconductor Availability : 668
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USD 1.4033

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PD55008TR-E


RF MOSFET Power POWER R.F.
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STMicroelectronics Availability : 630
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USD 14.1693

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MJ15003


MJ15003 TRANSISTOR M/C T/HOLE
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ON Semiconductor Availability : 616
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USD 1.9745

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BD139


Transistor: NPN; bipolar; 80V; 1.5A; 12W; SOT32
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STMicroelectronics Availability : 601
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USD 0.1276

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TIP35C


TIP35C NPN TRANS 100V 15A
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STMicroelectronics Availability : 572
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USD 1.0291

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Hot FDD3672


Transistor: N-MOSFET; unipolar; 100V; 44A; 135W; TO252AA
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ON Semiconductor Availability : 570
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USD 0.5204

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BF470


BF470 SEE KSA1406CSTU PNP TO126 250V 30MA VIDE O OUT
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Philips Availability : 567
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USD 0.3269

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2N4403T93


TRANS ELECTRONICS PART T/R
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ROHM Availability : 552
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USD 1.083

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MJE13005


MJE13005 #0702 PCN12279
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Central Semiconductor Availability : 544
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USD 0.4556

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PBSS4130T\,215


Bipolar Small Signal NPN 30V 1A LOW SAT
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NXP Availability : 533
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USD 0.5171

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BD242C


TRANSISTOR PNP 100V 3A TO-220 ELECTRONICS PART
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ON Semiconductor Availability : 528
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USD 0.4916

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BC639


BC639 LOOSE/INLINE PINS TO92 800MW NPN 80V T/HOLE
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ON Semiconductor Availability : 517
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USD 0.1564

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2SA715


2SA715C TO-126 TRANSISTOR T/HOLE
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Hitachi Availability : 485
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USD 0.3424

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BF487


BF487 NPN TO92 400V 50MA SIGNA L TRA
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Philips Availability : 459
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USD 0.1225

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Hot 2N6427


Transistors Darlington NPN Darl Amp
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Central Semiconductor Availability : 457
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USD 0.0918

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