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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2N7002L


Fairchild Semiconductor MOSFET
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ON Semiconductor Availability : 2778913
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USD 0.0286

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BC857B,235


Bipolar (BJT) Transistor PNP 45 V 100 mA 100MHz 250 mW Surface Mount TO-236AB
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Nexperia Availability : 552900
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USD 0.0206

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FJV42MTF


Bipolar (BJT) Transistor NPN 350 V 500 mA 50MHz 350 mW Surface Mount SOT-23-3
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ON Semiconductor Availability : 309585
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USD 0.0363

Multiples of: 1

BC847BLT3G


Bipolar Transistors - BJT 100mA 50V NPN
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ON Semiconductor Availability : 58200
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USD 0.0118

Multiples of: 10000

BC856BLT3G


Transistors Bipolar - BJT 100mA 80V PNP
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ON Semiconductor Availability : 58200
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USD 0.0235

Multiples of: 10000

MUN5332DW1T1G


Trans Digital BJT NPN/PNP 50V 100mA Automotive 6-Pin SC-88 T/R
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ON Semiconductor Availability : 58200
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USD 0.0369

Multiples of: 3000

BCW68GLT1G


Transistors Bipolar - BJT 100mA 60V PNP
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ON Semiconductor Availability : 55290
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USD 0.0179

Multiples of: 3000

DMN67D8L-7


60V 210mA 340mW 5O@10V,500mA N Channel SOT-23 MOSFETs ROHS
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Diodes Incorporated Availability : 52380
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USD 0.02

Multiples of: 3000

MUN5233T1G


Bipolar Transistors - Pre-Biased 100mA 50V BRT NPN
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ON Semiconductor Availability : 36153
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USD 0.0195

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MMBT5550LT1G


Transistors Bipolar - BJT SS HV XSTR NPN 160V
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ON Semiconductor Availability : 32010
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USD 0.0154

Multiples of: 3000

PDTA124EU,115


Transistors Switching - Resistor Biased TRANS RET TAPE-7
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Nexperia Availability : 14550
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USD 0.0282

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PEMB10,115


Transistors Switching - Resistor Biased TRNS DOUBL RET TAPE7
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Nexperia Availability : 13062
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USD 0.0792

Multiples of: 1

SMMBTA42LT1G


ON Semiconductor Bipolar Transistors - BJT SS HV XSTR SPCL TR
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ON Semiconductor Availability : 11640
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USD 0.0587

Multiples of: 3000

PDTA114EU,115


digital transistors pnp - pre-biased 100ma 50v sot-323 (sc-70) rohs
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Nexperia Availability : 9560
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USD 0.0209

Multiples of: 1

PUMD3,135


NXP Semiconductors Bipolar Transistors - Pre-Biased Trans Digital BJT NPNPNP 50V 6-Pin
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Nexperia Availability : 3219
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USD 0.0396

Multiples of: 1

SMMUN2113LT1G


Bipolar Transistors - Pre-Biased SS BR XSTR SPCL TR
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ON Semiconductor Availability : 2237
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USD 0.0363

Multiples of: 1

MMUN2232LT1G


Bipolar Transistors - Pre-Biased SS BR XSTR NPN 50V
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ON Semiconductor Availability : 2153
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USD 0.0138

Multiples of: 20

SBC857BWT1G


Bipolar Transistors - BJT SS GP XSTR PNP 45V
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ON Semiconductor Availability : 837
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USD 0.0322

Multiples of: 1

PDTA114YT,215


Transistor: PNP; bipolar; BRT; 50V; 100mA; 250mW; SOT23; R1: 10kO
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Nexperia Availability : 58
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USD 0.0285

Multiples of: 20

MMBT3904VL


Bipolar Transistors - BJT MMBT3904/TO-236AB/REEL 11" Q3/
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Nexperia Availability : 0
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USD 0.011

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