BJT & Bipolar Transistors

A Bipolar Transistor or BJT (Bipolar Junction Transistor) is a solid state, three-pin device made from three layers of silicon. A BJT is designed to amplify current, bipolar transistors can also function as a switch. There are two main types of transistor, PNP (positive negative positive) or NPN (negative positive negative).How a Bipolar transistor is madeA bipolar transistor is made by joining two signal diodes back to back creating two PN junctions connected in series, sharing a common P or N terminal. By nature, silicon does not normally conduct electricity well. However, when silicon is treated with certain chemicals or impurities we can make the material and electrons behave in a different way. This process is called doping. The doping process improves the semiconductors ability to conduct electricity.What does a bipolar transistor do?As we said before a bipolar transistor has two possible functions, switching, and amplification. Due to the devices three layers of doped semiconductor material, supplying the transistor with a signal voltage enables the discrete component to act as an insulator or a conductor. This clever change provides the transistors with two basic functions, switching (digital) electronics or amplification (analog) electronics.Types of transistorTransistors are available in panel, surface and through hole mounting options in plastic package or metal can versions. All have three terminals or pins, the Base, the Collector, and the Emitter.Where are bipolar transistors used?Transistors are one of the most widely used discrete components in electronic designs and circuits. Transistors are used for the amplification of all types of electrical signals in circuits made up of individual components rather than ICs (integrated circuits).

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Beskrivning Pris Transistor Type Maximum DC Collector Current Maximum Collector Emitter Voltage Package Type Mounting Type Maximum Power Dissipation Minimum DC Current Gain Transistor Configuration Maximum Collector Base Voltage Maximum Emitter Base Voltage Maximum Operating Frequency Pin Count Number of Elements per Chip Automotive Standard
RS-artikelnummer 145-3520
Tillv. art.nrBC856BDW1T3G
VarumärkeON Semiconductor
0,165 kr
Each (On a Reel of 10000)
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PNP 100 mA 65 V SOT-363 (SC-88) Surface Mount 380 mW 220 Isolated -80 V -5 V 100 MHz 6 2 -
RS-artikelnummer 170-4169
Tillv. art.nrBC550C A1
0,414 kr
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NPN 100 mA 45 V TO-92 Through Hole 500 mW 420 Single 50 V 6 V - 3 1 -
RS-artikelnummer 125-0072
Tillv. art.nrMJE15030G
VarumärkeON Semiconductor
10,923 kr
Each (In a Tube of 50)
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NPN 8 A 150 V TO-220AB Through Hole 50 W 20 Single 150 V 5 V 30 MHz 3 1 -
RS-artikelnummer 168-6815
Tillv. art.nrMJE340
VarumärkeSTMicroelectronics
4,459 kr
Each (In a Tube of 50)
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NPN 500 mA 300 V SOT-32 Through Hole 2.8 W 30 Single 300 V 3 V - 3 1 -
RS-artikelnummer 890-2636
Tillv. art.nr2SC3265-Y(TE85L,F)
VarumärkeToshiba
1,725 kr
Each (In a Pack of 25)
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NPN 800 mA 25 V SOT-346 (SC-59) Surface Mount 200 mW 40 Single 30 V 5 V - 3 1 -
RS-artikelnummer 796-9672
Tillv. art.nrBC337-40 A1
1,551 kr
Each (In a Pack of 250)
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NPN 800 mA 45 V TO-92 Through Hole 625 mW 250 Single 50 V 5 V - 3 1 -
RS-artikelnummer 124-1317
Tillv. art.nr2N3904TA
VarumärkeON Semiconductor
0,334 kr
Each (On a Reel of 2000)
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NPN 200 mA 40 V TO-92 Through Hole 625 mW 30 Single 60 V 6 V 300 MHz 3 1 -
RS-artikelnummer 263-908
Tillv. art.nrZTX550
VarumärkeDiodesZetex
5,584 kr
Each (In a Pack of 5)
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PNP 1 A 45 V E-Line Through Hole 1 W 15 Single 60 V 5 V 150 MHz 3 1 -
RS-artikelnummer 805-1148
Tillv. art.nr2SA1943OTU
VarumärkeON Semiconductor
31,868 kr
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PNP 17 A 250 V TO-264 Through Hole 150 W 35 Single -250 V -5 V 30 MHz 3 1 -
RS-artikelnummer 170-4150
Tillv. art.nrBC337-40 A1
0,414 kr
Each (On a Tape of 4000)
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NPN 800 mA 45 V TO-92 Through Hole 625 mW 250 Single 50 V 5 V - 3 1 -
RS-artikelnummer 842-8015
Tillv. art.nr2N3904BU
VarumärkeON Semiconductor
0,334 kr
Each (In a Bag of 1000)
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NPN 200 mA 40 V TO-92 Through Hole 625 mW 100 Single 60 V 6 V 100 MHz 3 1 -
RS-artikelnummer 545-2210
Tillv. art.nr2N3055G
VarumärkeON Semiconductor
53,25 kr
Each
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NPN 15 A 60 V TO-204 Through Hole 115 W 5 Single 100 V 7 V 2.5 MHz 3 1 -
RS-artikelnummer 714-0997
Tillv. art.nrMJE340
VarumärkeSTMicroelectronics
4,901 kr
Each (In a Pack of 10)
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NPN 500 mA 300 V SOT-32 Through Hole 2.8 W 30 Single 300 V 3 V - 3 1 -
RS-artikelnummer 843-1575
Tillv. art.nr2N3904BU
VarumärkeON Semiconductor
1,226 kr
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NPN 200 mA 40 V TO-92 Through Hole 625 mW 100 Single 60 V 6 V 100 MHz 3 1 -
RS-artikelnummer 796-9739
Tillv. art.nrBC550C A1
1,344 kr
Each (In a Pack of 250)
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NPN 100 mA 45 V TO-92 Through Hole 500 mW 420 Single 50 V 6 V - 3 1 -
RS-artikelnummer 669-7300
Tillv. art.nrFMMT491ATA
VarumärkeDiodesZetex
2,941 kr
Each (In a Pack of 25)
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NPN 1 A 40 V SOT-23 Surface Mount 500 mW 35 Single 40 V 5 V 150 MHz 3 1 -
RS-artikelnummer 805-1043
Tillv. art.nr2N3904TAR
VarumärkeON Semiconductor
0,557 kr
Each (In a Pack of 200)
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NPN 200 mA 40 V TO-92 Through Hole 625 mW 30 Single 60 V 6 V 300 MHz 3 1 -
RS-artikelnummer 544-9680
Tillv. art.nrMJE15030G
VarumärkeON Semiconductor
13,55 kr
Each
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NPN 8 A 150 V TO-220AB Through Hole 50 W 20 Single 150 V 5 V 30 MHz 3 1 -
RS-artikelnummer 274-920
Tillv. art.nrFZT653TA
VarumärkeDiodesZetex
5,976 kr
Each (In a Pack of 5)
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NPN 2 A 100 V SOT-223 Surface Mount 2 W 25 Single 120 V 5 V 175 MHz 3 + Tab 1 -
RS-artikelnummer 805-1056
Tillv. art.nr2N3904TFR
VarumärkeON Semiconductor
0,892 kr
Each (In a Pack of 200)
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NPN 200 mA 40 V TO-92 Through Hole 625 mW 30 Single 60 V 6 V 300 MHz 3 1 -
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