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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PDTA124EU,115


Transistors Switching - Resistor Biased TRANS RET TAPE-7
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Nexperia 385999
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AUD 0.0498
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PDTA115ET,215


Transistor: PNP; bipolar; BRT; 50V; 100mA; 250mW; SOT23; R1: 100kO
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Nexperia 14550
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AUD 0.0435
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2N7002H-7


N-Channel 60 V 170mA (Ta) 370mW (Ta) Surface Mount SOT-23-3
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Diodes Incorporated 14550
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AUD 0.0466
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BCR185E6327HTSA1


Infineon Technologies Bipolar Transistors - Pre-Biased PNP Silicon Digital TRANSISTOR
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Infineon 14550
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AUD 0.0454
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MUN5112T1G


Transistors Switching - Resistor Biased 100mA 50V BRT PNP
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ON Semiconductor 14550
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AUD 0.048
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BC807-40W-7


Transistors Bipolar - BJT PNP SURFACE MOUNT TRANSISTOR
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Diodes Incorporated 14550
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AUD 0.051
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BC850BW,115


Bipolar (BJT) Transistor NPN 45 V 100 mA 100MHz 200 mW Surface Mount SOT-323
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Nexperia 14550
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AUD 0.0546
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MMBT100


Bipolar (BJT) Transistor NPN 45 V 500 mA 250MHz 350 mW Surface Mount SOT-23-3
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ON Semiconductor 14550
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AUD 0.0577
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MUN5314DW1T1G


Bipolar Transistors - Pre-Biased 100mA Complementary 50V NPN & PNP
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ON Semiconductor 8730
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AUD 0.0562
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BCX70K,215


Bipolar (BJT) Transistor NPN 45 V 100 mA 250MHz 250 mW Surface Mount TO-236AB
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Nexperia 1592
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AUD 0.0524
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