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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MMBTA42LT1G


Bipolar Transistors - BJT 500mA 300V NPN
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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 : 52418
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USD 0.0189

Multiples of: 20

S9014


Transistors (NPN/PNP) NPN 100mA 45V SOT-23 (SOT-23-3) RoHS
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Hottech Availability : 30416
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USD 0.005

Multiples of: 100

PMMT491A,215


Bipolar (BJT) Transistor NPN 40 V 1 A 150MHz 250 mW Surface Mount TO-236AB
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Nexperia Availability : 30369
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USD 0.0473

Multiples of: 1

BSS138BKSH


MOSFET BSS138BKS SC-88
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Nexperia Availability : 30333
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USD 0.0896

Multiples of: 1

BC547A


Transistor: NPN; bipolar; 50V; 100mA; 500mW; TO92
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Diotec Availability : 30330
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USD 0.0616

Multiples of: 1

SI1013R


SOT-523 MOSFETs ROHS
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TECH PUBLIC Availability : 30220
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USD 0.0386

Multiples of: 10

8050


TO-92-2.54mm Bipolar Transistors - BJT ROHS
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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.

Blue Rocket Availability : 30149
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USD 0.0068

Multiples of: 50

PDTC124ET,235


NXP Semiconductors Bipolar Transistors - Pre-Biased TRANS RET TAPE-11
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Nexperia Availability : 30143
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USD 0.0176

Multiples of: 1

IRLML6246TRPBF


SOT-23 MOSFETs ROHS
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TECH PUBLIC Availability : 30141
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USD 0.0483

Multiples of: 10

DNLS350E-13


Diodes Incorporated Bipolar Transistors - BJT NPN 1W
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Diodes Incorporated Availability : 30129
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USD 0.1023

Multiples of: 1

UMZ1NT1G


Transistors Bipolar - BJT 200mA 60V Dual Complementary
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ON Semiconductor Availability : 30070
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USD 0.0335

Multiples of: 1

ZXMHC6A07T8TA


Mosfet Array 2 N and 2 P-Channel (Half Bridge) 60V 1.6A, 1.3A 1.3W Surface Mount SM8
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Diodes Incorporated Availability : 30070
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USD 0.9023

Multiples of: 1000

MMSTA28T146


Bipolar (BJT) Transistor NPN - Darlington 80 V 300 mA 200MHz 200 mW Surface Mount SMT3
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ROHM Availability : 30043
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USD 0.0912

Multiples of: 1

SI2305CDS


SOT-23-3 MOSFETs ROHS
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TECH PUBLIC Availability : 30032
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USD 0.0656

Multiples of: 5

LND250K1-G


Trans MOSFET N-CH 500V 0.013A 3-Pin SOT-23 T/R
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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.

Microchip Availability : 30005
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USD 0.4818

Multiples of: 1

MMBT3906T 3N


40V 150mW 100@10mA,1V 200mA SOT-523-3 Bipolar Transistors - BJT ROHS
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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.

Hong Kong Chuangji Availability : 29979
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USD 0.0083

Multiples of: 50

BD139-10


Bipolar (BJT) Transistor NPN 80 V 1.5 A 1.25 W Through Hole SOT-32
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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.

STMicroelectronics Availability : 29973
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USD 0.129

Multiples of: 1

IRLML5203TRPBF


SOT-23 MOSFETs ROHS
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TECH PUBLIC Availability : 29956
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USD 0.0483

Multiples of: 5

DDTC144EE-7-F


Diodes Incorporated Bipolar Transistors - Pre-Biased PRE-BIAS NPN 150mW
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Diodes Incorporated Availability : 29914
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USD 0.019

Multiples of: 20

RV3C002UNT2CL


MOSFET 20V Vdss 2ohm Rds on Id +/-150mA N-Ch
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ROHM Availability : 28864
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USD 0.1122

Multiples of: 1

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