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Transistors have revolutionized the world. Today it is difficult to imagine advanced electronic devices without transistors. But what exactly are transistors and how do they work?
A transistor is a semiconductor device that is used to amplify or switch electronic signals and electricity. It is the basic building block of many modern electronic devices. You could say that transistors are all around us today - in the vast majority of electronic systems. Historically, the first device of this type practically put into operation was a blade transistor. The device was developed in 1947 by the American physicists John Bardeen, Walter Brattain and William Shockley. The transistor revolutionized electronics and paved the way for smaller and cheaper two-way radios, calculators and computers. The invention of transistors allowed the construction of many other new devices.
Nowadays, transistors are an essential element of any electronic project. For this reason, you will find tons of different types of transistors in the Botland Store. Choose from bipolar transistors and unipolar transistors. Choose also accessories, cables and cords, and other electronics.
Bipolar transistor NPN BC547B 50V/0,1A - 5pcs
Bipolar transistor NPN, 50 V, 100 mA. Pinout: CBE. Price for 5 pieces.Bipolar transistor NPN BC337-40 45V / 0,8A - 5pcs
Bipolar transistor NPN, 45 V, 0.8 A. Pinout: CBE. Price for 5 pieces.Bipolar transistor NPN BC639 80V/1A - 5pcs
Bipolar transistor NPN, 80 V, 1 A. Pinout: ECB. Price for 5 pieces.Bipolar transistor NPN BC338-40 25V/0,8A - 5pcs
NPN bipolar transistor, 25 V, 0.8 A. Lead arrangement: CBE. Price for 5 pieces .Bipolar transistor PNP BC557C 45V / 0,1A - 5pcs
Bipolar transistor PNP, 45 V / 0.1 A. Pinout: ECB. Price for 5 pieces.Bipolar transistor NPN BC546B 65V/0,1A - 5pcs.
Bipolar transistor NPN, 65 V, 0.1 A. Pinout: CBE. Price for 5 pieces.Bipolar transistor PNP BC556B 65V/0,1A - 5pcs.
Set of five PNP BC556B bipolar transistors in TO-92 package. Transistors equipped with three leads: emitter, base, collector. They are designed for through-hole THT...Transistor N-MOSFET IRL540NPBF - THT - 5pcs
Vds: 100 V Id: 36A. Rdson: 0,044 Ohm. Case: TO-220. Items are sold in sets of 5 pieces.Bipolar transistor NPN 2N3904 40V/0,2A - 5pcs
Bipolar transistor NPN, 40 V, 0.2 A. Pinout ECB. Price for 5 pieces.N-MOSFET IRFZ44N - THT - 5 pcs.
Vds: 55 V. Id: 41 A. Power: 83 watts. Rds: 0.0175 Ω. Housing TO-220. Transistors are sold in sets of 5 pieces.Bipolar transistor NPN 2N2222A ST - 5pcs.
Set of five NPN 2N2222A bipolar transistors in TO-92 package. Transistors are equipped with three leads: emitter, base, collector. They are designed for through-hole THT...Set of NPN and PNP TO-92 bipolar transistors - 10 values - 200pcs. - justPi
Set of NPN and PNP bipolar transistors . Contains 10 different types of transistors of 20 pieces. The set includes 200 pieces of transistors in total. The transistors have...Bipolar transistor NPN Darlington MPSA29 100V/0.8A
Bipolar transistor NPN, 100 V, 800 mA. Pinout: ECB. Price for 1 piece.P-MOSFET transistor IRF4905 -55V/-74A - THT
The IRF4905 transistor is a high-current P-MOSFET electronic component with a maximum drain-source voltage of -55 V , drain current of -74 A and power dissipation of 200...Transistor N-MOSFET IRF520NPBF - THT - 5pcs.
Vds: 100 V Id: 9,7 A. Rdson 0.2 Ohm. Case: TO-220.Darlington TIP122 100V/5A NPN bipolar transistor - 5pcs.
The TIP122 is an NPN Darlington bipolar transistor that supports a collector current of up to 5 A and a collector-emitter voltage of up to 100 V , offering a high current...Bipolar transistor NPN BD911 100V/15A - 5 pcs.
NPN bipolar transistor, 100 V, 15 A. Lead arrangement: BCE. Price for 5 pieces.Transistor P-MOSFET IRF9540 - THT - 5pcs
Vds: 100V. ID: 23A. Case: TO-220. Price for 5 pcs of the transistors.Mini switch Slide MOSFET LV 2-20V/6A - with protection before reverse current - Pololu 2810
The executive module with a MOSFET transistor with a pair of channels P to control devices with higher current consumption than allowed by the control system, for example, a...Transistor N-MOSFET IRFZ34N - THT - 5pcs.
N-MOSFET type transistor in TO220 housing. The circuit has the following parameters: VDSS 55 V, Id 29 A and 0.040 Ω resistance . The element is designed for THT threaded...Large switch Slide MOSFET MP 4,5-40V/8A - with protection before reverse current - Pololu 2814
The executive module with a MOSFET transistor with a pair of channels P to control devices with higher current consumption than allowed by the control system, for example, a...Large switch Push MOSFET MP 4,5-40V/8A - with protection before reverse current - Pololu 2812
The module with a button as an alternative to the mechanical buttons. The switch is bistable, one push turns on the power, and one more press turns it off. Additional inputs...See also
The transistor is a key element in virtually all modern electronic devices . The use of the transistor is extremely wide, which is why it is considered one of the greatest inventions of the 20th century . Its importance in today's society is based on its ability to be mass produced using a highly automated process that achieves astonishingly low costs. Even though the vast majority of transistors are now manufactured on integrated circuits, there are still many types of different discrete transistors available on the market.
A transistor is a semiconductor device consisting of three layers of semiconductor that control the flow of current. Moreover, this element is equipped with at least three pins for connection to an external circuit. A voltage or current (even a small current) applied to one pair of transistor terminals controls the current through another pair of terminals. Because the controlled (output) power can be higher than the control (input) power, the transistor can amplify the signal. Most transistors are made of very pure silicon or germanium, but other semiconductor materials can also be used. To put it simply, a small current flows between the emitter and the base and can control a larger current that flows between the emitter and the collector.
What is worth knowing about bipolar transistors? A bipolar transistor (BJT) can contain only one type of charge carriers, in a field-effect transistor (FET) two types of charge carriers can coexist simultaneously. These elements differ in their structure and, consequently, in their operating principles. High power transistors are also used in electronics.
Bipolar transistors are so called because they operate using both majority and minority carriers. Such a transistor is a combination of two diodes. The transistor is made of a thin layer of one type of semiconductor placed between two layers of the other type (PNP or NPN). In contrast, a field-effect transistor, sometimes called a unipolar transistor, uses electrons or holes for conduction. In addition to a wide selection of transistors, we also offer a practical electronics course , containing basic information about the most frequently used electronic components.
Simply put, transistors are devices that regulate the flow of current or voltage and act as a switch or gate for electronic signals. Transistors consist of three layers of semiconductor material, each of which can conduct electricity.
It depends on the project. A bipolar transistor can contain one type of charge carriers. Two types of charge carriers can coexist in a field-effect transistor (MOSFET). Bipolar transistors operate using both majority and minority carriers. A field-effect transistor, or unipolar , uses electrons or "holes" for conduction.
Transistors are the basic invention after semiconductors that have helped the world a lot. Parameters such as voltage, current or bandwidth can be changed by modifying passive elements . Simple projects with transistors include any systems with a flashing diode, clocks of your own design or an automatic night light. There are plenty of possibilities.