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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2N3904BU


Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 625 mW Through Hole TO-92-3
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ON Semiconductor Availability : 128624
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USD 0.0392

Multiples of: 1

S8550


25V 300mW 500mA 150MHz 600mV@500mA,50mA +150℃@(Tj) SOT-23 Bipolar Transistors - BJT ROHS
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JSMSEMI Availability : 97582
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USD 0.0034

Multiples of: 100

RN2425(TE85L,F)


Bipolar Transistors - Pre-Biased TRANSISTOR PNP BRT Q1BSR=0.47kOhm Q1BER=10kOhm VCEO=-50V IC=-0.8A inSOT-346 S-Mini package
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Toshiba Availability : 66590
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USD 0.0792

Multiples of: 1

NSVMMUN2136LT1G


Bipolar Transistors - BJT SS SOT23 PNP DIGITA L TRAN
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ON Semiconductor Availability : 66386
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USD 0.0436

Multiples of: 1

BSS84AKV,115


Mosfet Array 2 P-Channel (Dual) 50V 170mA 500mW Surface Mount SOT-666
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Nexperia Availability : 65960
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USD 0.0641

Multiples of: 1

STB45N65M5


MOSFET N-Ch 650V 0.067 Ohm 35A MDmesh V MOS
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STMicroelectronics Availability : 65960
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USD 4.5187

Multiples of: 1

LMUN2211LT1G


Digital Transistors NPN - Pre-Biased 100mA 50V SOT-23 (SOT-23-3) RoHS
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Leshan Availability : 65812
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USD 0.0105

Multiples of: 50

FDMA3028N


MOSFET 30V Dual N-Channel
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ON Semiconductor Availability : 65578
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USD 0.3445

Multiples of: 1

2SJ646-TL-E


GENERAL-PURPOSE SWITCHING DEVICE APPLICATIONS
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ON Semiconductor Availability : 65321
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USD 0.2431

Multiples of: 1

BSL606SN H6327


Infineon Technologies MOSFET N-Ch 60V 4.5A TSOP-6
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Infineon Availability : 65129
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USD 0.2254

Multiples of: 1

S9012


25V 300mW 120@50mA,1V 500mA PNP SOT-23 Bipolar Transistors - BJT ROHS
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HXY MOS Availability : 64784
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USD 0.0047

Multiples of: 20

ECC9634EU


Transistors (NPN/PNP) NPN 3A 30V SOT-89 (SOT-89-3) RoHS
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Changjing Electronics Technology Availability : 64660
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USD 0.0355

Multiples of: 10

BC817


Transistors (NPN/PNP) SOT-23 RoHS
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High Diode Availability : 64640
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USD 0.0122

Multiples of: 20

RUM002N02T2L


ROHM Semiconductor MOSFET SW MOSFET SMLL SIG N-CH 20V .2A
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ROHM Availability : 60702
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USD 0.0181

Multiples of: 20

PUMB2,115


NXP Semiconductors Bipolar Transistors - Pre-Biased TRNS DOUBL RET TAPE7
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Nexperia Availability : 23280
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USD 0.0512

Multiples of: 1

DMC2400UV-7


MOSFET 20V N P Ch 20VDSS 0.45W Low RDSon
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Diodes Incorporated Availability : 20370
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USD 0.0507

Multiples of: 3000

C1815


Transistors (NPN/PNP) NPN 150mA 50V SOT-23 (SOT-23-3) RoHS
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Changjing Electronics Technology Availability : 679
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USD 0.0094

Multiples of: 50

PMV50XPR


P-Channel 20 V 3.6A (Ta) 490mW (Ta), 4.63W (Tc) Surface Mount TO-236AB
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Nexperia Availability : 63
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USD 0.3383

Multiples of: 5

PEMB2,115


NXP Semiconductors Bipolar Transistors - Pre-Biased TRNS DOUBL RET TAPE7
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Nexperia Availability : 39
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USD 0.0935

Multiples of: 1

BST51,115


Transistors Darlington TRANS DARLINGTON
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Nexperia Availability : 0
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USD 0.1417

Multiples of: 1

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