Bipolar Transistors

Bipolar Transistors are a solid state, three-pin devices made from three layers of silicon. A bipolar transistor 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 made

Bipolar transistors are constructed 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.

How do bipolar transistors work?

Bipolar transistors have 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.

Transistors 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.

They are also available as;

  • Digital transistors - are made of a semiconductor material, usually silicon, which conducts the current (or electricity) with little resistance. They also tend to have at least three terminals for easy connection to an external circuit.
  • UJT transistors - constructed of a bar of lightly dope N type silicone with a small piece of heavily doped P type material attached to one side. Since the silicon bar is lightly dope it has very high resistance.

Applications of bipolar transistors?

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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กำลังดูสินค้า 1 - 20 รายการจาก 167 รายการ / Viewing 1 - 20 of 167 products
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รายละเอียดสินค้า / Description ราคา / Price Transistor Type Maximum DC Collector Current Maximum Collector Emitter Voltage Package Type Mounting Type Maximum Power Dissipation Transistor Configuration Maximum Collector Base Voltage Maximum Emitter Base Voltage Maximum Operating Frequency Pin Count Number of Elements per Chip Dimensions Minimum Operating Temperature
RS Stock No. 168-8859
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.HD1750FX
THB79.154
Each (In a Tube of 30)
Units
NPN 24 A 800 V ISOWATT218FX Through Hole 75 W Single - 10 V - 3 1 15.7 x 5.7 x 26.7mm -
RS Stock No. 877-2671
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.HD1750FX
THB95.32
Each: (In a Pack of 5)
Units
NPN 24 A 800 V ISOWATT218FX Through Hole 75 W Single - 10 V - 3 1 15.7 x 5.7 x 26.7mm -
RS Stock No. 168-6171
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP41C
THB16.569
Each (In a Tube of 50)
Units
NPN 6 A 100 V TO-220 Through Hole 65 W Single 100 V 5 V - 3 1 9.15 x 10.4 x 4.6mm -
RS Stock No. 314-1823
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.BD139
THB18.83
Each
Units
NPN 3 A 80 V SOT-32 Through Hole 1.25 W Single 80 V 5 V - 3 1 10.8 x 7.8 x 2.7mm -65 °C
RS Stock No. 485-9812
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP41C
THB22.578
Each: (In a Pack of 5)
Units
NPN 6 A 100 V TO-220 Through Hole 65 W Single 100 V 5 V - 3 1 9.15 x 10.4 x 4.6mm -65 °C
RS Stock No. 168-6075
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.BD139
THB14.963
Each (In a Tube of 50)
Units
NPN 3 A 80 V SOT-32 Through Hole 1.25 W Single 80 V 5 V - 3 1 10.8 x 7.8 x 2.7mm -
RS Stock No. 168-6168
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP3055
THB23.216
Each (In a Tube of 30)
Units
NPN 15 A 60 V TO-247 Through Hole 90 W Single 100 V - 3 MHz 3 1 20.15 x 15.75 x 5.15mm -
RS Stock No. 485-9727
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP3055
THB30.466
Each: (In a Pack of 5)
Units
NPN 15 A 60 V TO-247 Through Hole 90 W Single 100 V - 3 MHz 3 1 20.15 x 15.75 x 5.15mm -65 °C
RS Stock No. 251-3558
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP36C
THB63.064
Each: (In a Pack of 5)
Units
PNP 25 A 100 V TO-247 Through Hole 125 W Single 100 V 5 V 3 MHz 3 1 20.15 x 15.75 x 5.15mm -65 °C
RS Stock No. 168-6165
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP2955
THB51.45
Each (In a Tube of 30)
Units
PNP 15 A 60 V TO-247 Through Hole 90 W Single 100 V - 3 MHz 3 1 20.15 x 15.75 x 5.15mm -
RS Stock No. 168-6055
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP36C
THB53.645
Each (In a Tube of 30)
Units
PNP 25 A 100 V TO-247 Through Hole 125 W Single 100 V 5 V 3 MHz 3 1 20.15 x 15.75 x 5.15mm -
RS Stock No. 485-9705
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIP2955
THB60.554
Each: (In a Pack of 5)
Units
PNP 15 A 60 V TO-247 Through Hole 90 W Single 100 V - 3 MHz 3 1 20.15 x 15.75 x 5.15mm -65 °C
RS Stock No. 168-6074
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.BD140
THB14.837
Each (In a Tube of 50)
Units
PNP 3 A 80 V SOT-32 Through Hole 1.25 W Single 80 V 5 V - 3 1 10.8 x 7.8 x 2.7mm -
RS Stock No. 168-6136
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.D44H11
THB23.972
Each (In a Tube of 50)
Units
NPN 20 A 80 V TO-220 Through Hole 50 W Single 80 V 5 V - 3 1 9.15 x 10.4 x 4.6mm -
RS Stock No. 314-1817
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.BD140
THB17.88
Each
Units
PNP 3 A 80 V SOT-32 Through Hole 1.25 W Single 80 V 5 V - 3 1 10.8 x 7.8 x 2.7mm -65 °C
RS Stock No. 485-9115
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.D44H11
THB28.608
Each: (In a Pack of 5)
Units
NPN 20 A 80 V TO-220 Through Hole 50 W Single 80 V 5 V - 3 1 9.15 x 10.4 x 4.6mm -65 °C
RS Stock No. 486-4561
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MJE2955T
THB26.356
Each: (In a Pack of 5)
Units
PNP 10 A 60 V TO-220 Through Hole 75 W Single 70 V 5 V 2 MHz 3 1 9.15 x 10.4 x 4.6mm -55 °C
RS Stock No. 168-6253
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MJE2955T
THB21.809
Each (In a Tube of 50)
Units
PNP 10 A 60 V TO-220 Through Hole 75 W Single 70 V 5 V 2 MHz 3 1 9.15 x 10.4 x 4.6mm -
RS Stock No. 102-4110
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.BD139-16
THB9.786
Each (In a Tube of 50)
Units
NPN 3 A 80 V SOT-32 Through Hole 1.25 W Single 80 V 5 V - 3 1 10.8 x 7.8 x 2.7mm -
RS Stock No. 686-8063
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.BD139-16
THB7.608
Each: (In a Pack of 20)
Units
NPN 3 A 80 V SOT-32 Through Hole 1.25 W Single 80 V 5 V - 3 1 10.8 x 7.8 x 2.7mm -65 °C