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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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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USD 0.0688

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MPSA75


MPSA75 E-LINE TRANS T/HOLE
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USD 0.0709

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BF423


BF423 PNP TO92 250V 20MA VIDEO OUTP
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USD 0.0774

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BSS84/NXP


MOSFET P-CH -50 V -180 mA SOT23 SMD
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NXP Availability : 0
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USD 0.0799

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PN2222A/RA


PN2222A/RA NPN GP TRANS MP T/HOLE
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USD 0.0886

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BC338


BC338 25V 0.5A TO92 NPN BIP X TOR /
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USD 0.0944

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714614AB


MPSA44 #0202 PCN12106 T/HOLE
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USD 0.1009

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BC547


TRANS NPN 45V 100MA TO-92 ELECTRONICS PART
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Generic Availability : 0
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USD 0.1059

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BCV47/215


Darlington Transistors TRANS DARLINGTON
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NXP Availability : 0
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USD 0.1113

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PDTC114ET/T1


PDTC114ET/T1 DIGITAL TRANS SMD
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NXP Availability : 0
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USD 0.116

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BC550C


BC550C LOOSE TRANSISTOR T/HOLE
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Taiwan Semiconductor Availability : 0
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USD 0.1198

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PN5434


PN5434 PN5434 T/HOLE
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USD 0.1232

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BC556/FSC


BC556 IN LINE PIN PNP
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USD 0.1234

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715123AB


2N7000 S.S NCH TMOS FE* T/HOLE
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USD 0.13

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2N5484


2N5484 N-CH FET JUNCTION VHF TRANS T/
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USD 0.1373

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2N7000


2N7000 NCH MOSFET 60V 5R T/HOLE
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USD 0.1531

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PN4392


PN4392 TO-92 40V N-CH J-FET
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USD 0.1568

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BC109


BC109 LOOSE NPN TO18 20V 100MA LO NOI T/HO
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Central Semiconductor Availability : 0
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USD 0.1591

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2N5460


2N5460 DSP CHANNEL JFET TO T/HOLE
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Central Semiconductor Availability : 0
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USD 0.1681

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FMMT458


FMMT458 #4199 B141099S141099 SMD
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Diodes Incorporated Availability : 0
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USD 0.1896

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