Unipolar transistors (MOSFET) are characterized by electric field current control. We also call them field, they belong to semiconductor transistors and come in different variants. Most often we deal with MOSFET transistors, which act as a key with the function of switching on high power consuming components. MOSFET is the name of the technology, exactly Metal-Oxide Semiconductor Field-Effect Transistor. It is used in the production of integrated circuits and unipolar transistors. So it works very well in the field of robotics and computer equipment. The first transistors appeared in 1925. Polish physicist was responsible for the project, but the model never left the design phase. The reason was the lack of any production possibilities. Therefore, the first transistor, which was produced on an industrial scale, was available in 1950. In Botland store you will find a large selection of unipolar transistors that differ in key parameters and thus are dedicated to different devices and projects.
Velleman VMP501 prototype KIT for Raspberry Pi 4B/3B+/3B/2B/Zero
Index: VEL-10722
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Filament Polymaker PolySmooth PVB 1,75mm, 0,75kg - Electric Blue
Index: PLM-22741
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Products: 23
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Test kit, electronic component tester - M12864 KIT
The set for testing and the recognition of electronic components such as bipolar transistors PNP, NPN, MOSFET transistors with channel P and N, field transistors JFET and LEDs....
Index: MOD-05056
Index: MOD-05056
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...
Index: PLL-05118
Index: PLL-05118
Mini switch Slide MOSFET SV 4,5-40V/4A - with protection before reverse current - Pololu 2811
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...
Index: PLL-04853
Index: PLL-04853
Mini switch Push MOSFET SV 4,5-40V/4A - with protection before reverse current - Pololu 2809
Pushbutton module as an alternative to mechanical buttons. The switch is bistable, one press turns the power on and another press turns it off. Additional inputs enable e.g....
Index: PLL-04854
Index: PLL-04854
Large HP MOSFET Switch 4.5-40V/16A - with back current protection - Pololu 2813
Push button module as an alternative to mechanical buttons. The switch is bistable, one press switches on the power supply and another press switches it off. Additional inputs...
Index: PLL-05117
Index: PLL-05117
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...
Index: PLL-05119
Index: PLL-05119
N-MOSFET tranzistor STP10NK60ZFP - THT - 5pcs
Unipolar transistor type N-MOSFET STP10NK60ZFP . The drain voltage is 600 V , while the drain current is 5.7 A . Closed in TO220FP casing mounted in a THT way.
Index: UCC-17314
Index: UCC-17314
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...
Index: AKS-18306
Index: AKS-18306
Unipolar P-MOSFET transistor with voltage Vds: -55 V and current ID: -19 A. Enclosed in TO-220 housing.
Index: UCC-01661
Index: UCC-01661
Transistor P-MOSFET IRF9640 - THT - 5pcs
P-MOSFET field transistor with VDSS 200 V and maximum drain current ID 11 A . The whole is enclosed in TO220 housing. The element is designed for THT threaded...
Index: AKS-16952
Index: AKS-16952
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...
Index: PLL-04852
Index: PLL-04852
Test kit, THT electronic components tester - BTE-056
Kit for testing and recognition of electronic components such as PNP, NPN bipolar transistors, MOSFET transistors with P and N channels and diodes. Built-in screen allows to...
Index: MOD-06282
Index: MOD-06282
Transistor N-MOSFET IRLZ44N - THT - 5pcs
Vds: 55 V. Id: 47 A. Rdson: 0,022 Ohms. Case: TO-220. Items are sold in sets of 5 pieces.
Index: UCC-01950
Index: UCC-01950
Transistor P-MOSFET IRF9540 - THT - 5pcs
Vds: 100V. ID: 23A. Case: TO-220. Price for 5 pcs of the transistors.
Index: UCC-00128
Index: UCC-00128
Transistor N-MOSFET 2N7000 - 10pcs.
Unipolar transistor N-MOSFET THT, 60 V, 0.2 A. Price for 10 pieces.
Index: UCC-08318
Index: UCC-08318
Transistor N-MOSFET IRF520NPBF - THT - 5pcs.
Vds: 100 V Id: 9,7 A. Rdson 0.2 Ohm. Case: TO-220.
Index: UCC-02610
Index: UCC-02610
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.
Index: KAB-06494
Index: KAB-06494
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.
Index: UCC-00127
Index: UCC-00127
N-MOSFET transistor IRF740 400V/10A - THT
The IRF740 is an N-MOSFET designed for operation at voltages up to 400 V and currents up to 10 A. It features a low on-resistance of 0.55 Ω and a maximum power dissipation...
Index: DNG-25089
Index: DNG-25089
Large switch Slide MOSFET HP 4,5-40V/16A - with protection before reverse current - Pololu 2815
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...
Index: PLL-05120
Index: PLL-05120
Vds: 100 V Id: 22 A. Power: 85W Rds On: 0.055 Ohm. TO-220 case. Items are sold in sets of 5 pieces.
Index: UCC-00731
Index: UCC-00731
Transistor N-MOSFET T2910 100V/21A - THT - TO220
N-MOSFET type transistor in TO220 housing. The circuit has the following parameters: VDSS 100 V, Id 21 A and resistance 24 mΩ . The element is designed for through-hole THT...
Index: TME-20609
Index: TME-20609
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...
Index: DNG-25087
Index: DNG-25087
See also
Transistors key elements
The unipolar transistors (MOSFET) that we offer are currently the most commonly used type of transistors, e.g. as switches for switching on high-power components. The structure of Mosfet transistors consists of five basic elements - gate G, insulator, substrate B, drain D and source S. Most of the transistors we offer have a substrate connected to the source, so they have three pins. In the Unipolar Transistors (MOSFET) category, we offer two types of this element: with an N-type channel and a P-type channel.
Two channels of Mosfet transistors
Our offer of unipolar transistors (MOSFET) includes two versions: N and P types, which differ in their construction. The most frequently chosen transistors are those with an enriched channel , in which a channel is created when a voltage is applied between the source and the gate. No current flows through the turned off transistor due to the drain being at a higher potential than the substrate, which reverse biases the pn junction. Any DIY enthusiast or designer can use them as voltage-controlled switches in almost all devices or machines.
MOSFET transistors - The most important parameters
Unipolar transistors (MOSFET), which we offer in our Botland store, have a number of various parameters , and the most important of them from the point of view of the controlled switch, which are most frequently used by DIY enthusiasts, include: open channel resistance, where in this state the transistor works like a resistor in which the lower the resistance, the lower the power loss. The maximum gate-source voltage that should not be exceeded so as not to damage the transistor. Maximum drain current and maximum power loss .
Application of Mosfet transformers
The unipolar transistors (MOSFET) we offer are most often used as voltage-controlled switches , where the two greatest advantages of these elements are revealed, i.e. no current consumption by the gate and low open channel resistance. The use of bipolar transistors recommended by us is recommended when the system is powered by low voltage.
Mosfet transistor (unipolar transistor) - additional information
Unipolar transistors (MOSFETs) are recommended for controlling loads drawing currents in the order of amperes. The most important conclusion from this group of electronics is the fact that MOSFET transistors are systems where the current flowing depends on the value of the applied voltage. We encourage you to familiarize yourself with the entire range of the transistors category, which includes, among others: wide selection of bipolar transistors .
The most popular Mosfets.
There are dozens of transformers available in our store, although the number produced is many times greater, but several types are useful for DIY and electronics beginners. The most popular in retail are actually three types: IRFZ44N - its main advantage is low open channel resistance and the ability to conduct high voltage, IRL and BSS. In this section we offer, among others: Mosfets whose switch-on voltage (recommended operating voltage) starts at 4.5V (then the transistor starts conducting). If you have any questions, please contact our technical department, we will answer every question!
Unipolar transistors (MOSFET) - FAQ
Unipolar transistors are the basis of modern electronics - in the discrete version they are used primarily as keying (switching) and amplifying elements (in the power amplifiers of audio amplifiers).
MOS transistors , like other types of transistors (bipolar or IGBT), are created by appropriate processing of thin silicon wafers - doping with atoms of other elements allows the creation of individual areas and PN junctions.
A field-effect transistor has three electrodes - gate, drain and source. Applying the appropriate voltage to the gate changes the distribution of charges in the so-called channel, which changes the resistance between the drain and the source - this, in turn, modulates the current flow in this circuit.
The basic difference (from the utility point of view) lies in the method of controlling the transistor - while an appropriate base current is required to open a bipolar transistor , in the case of unipolar transistors, the current in the drain circuit is regulated using the gate voltage.