MOSFETs
MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) are voltage-controlled switches that dominate modern power conversion, motor drive, and signal switching applications. Selection criteria include drain-source voltage (VDS), continuous drain current (ID), on-resistance (RDS(on)), gate charge (Qg), and thermal resistance. Octatronics indexes 8,900+ MOSFETs from Infineon, onsemi, Vishay Siliconix, Nexperia, Toshiba, and ROHM.
Product Series & Base Models
1,049 model families directly associated with MOSFETs. Browse the full catalog with search and filters.
Browse MOSFETs Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| VN2222LL-G | onsemi | 150mA, 60V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-92, CASE 29-11, 3 PIN | 192 | |
| VN0300L-G | onsemi | 200mA, 30V, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-92, CASE 29-11, 3 PIN | 22 | |
| SVD5867NLT4G | onsemi | Single N-Channel Power MOSFET 60V, 22A, 39mΩ, 2500-REEL | 1 | |
| SVD5865NLT4G | onsemi | Single N-Channel Power MOSFET 60V, 46A, 16mΩ, 2500-REEL | 5,990 | |
| SVD2955T4G | onsemi | Power MOSFET -60V, -12A, 180 mOhm, Single P-Channel, DPAK. Power MOSFET, 2500-REEL | 150,000 | |
| STDV3055L104T4G | onsemi | Single N-Channel Logic Level Power MOSFET 60V, 12A, 104mΩ Power MOSFET, N-Channel, 60 V, 12 A, Logic Level, 2500-REEL | 90,000 | |
| STD5406NT4G-VF01 | onsemi | Power MOSFET 40V, 70A, 10 mOhm, Single N-Channel, DPAK. Power MOSFET 40V 70A 10 mOhm Single N-Channel DPAK, 2500-REEL | 150,000 | |
| SMMBFJ310LT3G | onsemi | N-Channel JFET Transistor, SOT-23 (TO-236) 3 LEAD, 10000-REEL | 360,000 |
How to Choose MOSFETs
A practical selection framework for MOSFETs covering specifications, packaging, lifecycle, and sourcing on Octatronics.
Define electrical and environmental requirements
Start with the required function and operating conditions for MOSFETs, then lock in critical parameters such as breakover voltage, on-state current, gate trigger current, holding current, and dv/dt capability. Match these against datasheet limits, not catalog summaries alone.
Validate package and land pattern compatibility
Confirm the MOSFETs package matches your PCB footprint, pick-and-place constraints, and moisture sensitivity handling. Verify reel/tape or tube packaging for production.
Check lifecycle, compliance, and alternates
Review lifecycle status (Active, NRND, EOL), RoHS, and approved alternate sources for MOSFETs before committing to high-volume builds. Use Octatronics cross-reference data when a drop-in replacement is needed.
Compare manufacturers and request pricing
Filter MOSFETs by manufacturers such as onsemi and ROHM, compare key specs side by side, then submit an RFQ with quantity, target delivery, and traceability requirements.
Related Selection Resources
Top MOSFETs Manufacturers
onsemi
onsemi MOSFETs products are available for part-number review, stock checks, and RFQ support.
28,226 productsROHM
ROHM MOSFETs products are available for part-number review, stock checks, and RFQ support.
3,980 productsVishay
Vishay MOSFETs products are available for part-number review, stock checks, and RFQ support.
9,347 products
Nexperia
Nexperia MOSFETs products are available for part-number review, stock checks, and RFQ support.
3,317 productsPanjit
Panjit MOSFETs products are available for part-number review, stock checks, and RFQ support.
687 productsMSKSemi Semiconductors
MSKSemi Semiconductors MOSFETs products are available for part-number review, stock checks, and RFQ support.
1 products
Infineon Technologies
Infineon Technologies MOSFETs products are available for part-number review, stock checks, and RFQ support.
20,310 products
NXP Semiconductors
NXP Semiconductors MOSFETs products are available for part-number review, stock checks, and RFQ support.
20,288 products
Microchip Technology
Microchip Technology MOSFETs products are available for part-number review, stock checks, and RFQ support.
67,462 products
Texas Instruments
Texas Instruments MOSFETs products are available for part-number review, stock checks, and RFQ support.
84,045 productsAbout MOSFETs
Related Applications
Discover industry applications that commonly use MOSFETs components.
MOSFETs
Power semiconductors, battery management ICs, solar inverter components, and EV charging modules.
MOSFETs
Variable frequency drives, servo drives, and motor control ICs for precision speed and torque regulation.
MOSFETs
Battery management ICs, cell balancing circuits, and high-voltage isolation components for electric vehicles.
MOSFETs
High-efficiency power conversion for photovoltaic systems.
MOSFETs
ECU components, ADAS sensors, power management ICs, and automotive-grade semiconductors for vehicle systems.
MOSFETs
MOSFETs
Smart body control and LED drivers.
MOSFETs
Audio processors, display drivers, and connectivity modules for in-vehicle infotainment and digital cockpit systems.
MOSFETs
Engine control unit components, body control modules, and power management ICs for vehicle electrical systems.
MOSFETs
RGB/RGBW LED controllers, DMX512 interfaces, and addressable LED drivers for architectural lighting.
MOSFETs
Matrix LED drivers, sequential turn signal controllers, and adaptive headlight ICs for vehicle lighting.
MOSFETs
UV-C LED drivers, horticultural lighting controllers, and pulsed light drivers for specialty applications.
MOSFETs
Frequently Asked Questions
Octatronics can help source a wide range of MOSFETs from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.
Articles & Technology
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Thermal Resistance Explained: thetaJA, thetaJC, psiJT, Power Dissipation, and Derating
Thermal resistance metrics such as thetaJA, thetaJC, and psiJT help estimate semiconductor junction temperature, but each metric has a different purpose. thetaJA is useful for standardized package comparison, thetaJC applies to controlled case or heat-sink paths, and psiJT is often used with measured package-top temperature. Buyers should review thermal data before approving power ICs, regulators, MOSFETs, and package substitutions because identical electrical ratings do not guarantee the same thermal margin.
How to Choose a Power MOSFET: Key Parameters, Applications, and Selection Tips
This guide explains how to choose the right power MOSFET by evaluating key parameters such as drain-source voltage, current rating, RDS(on), gate charge, thermal resistance, safe operating area, avalanche rating, and package type. It also covers common applications, selection mistakes, and practical tips for improving efficiency, reliability, and sourcing decisions.
What Is a Field Effect Transistor? FET Types, Working Principle, Applications, and Selection Guide
A Field Effect Transistor, commonly called a FET, is a voltage-controlled semiconductor device that uses an electric field to control current flow between two terminals called the source and drain. Unlike bipolar junction transistors, which require input current at the base, FETs are controlled mainly by voltage at the gate terminal. This gives FETs high input impedance, low control power, and strong advantages in switching, amplification, power management, RF circuits, sensor interfaces, and modern integrated circuits.
Field Emission Transistor Explained: Vacuum FETs, Field Emission Devices, and How They Differ from FETs
A field emission transistor is a device concept that uses strong electric fields to extract electrons from an emitter, often through quantum tunneling, and then controls or collects those electrons using nearby electrodes. Unlike a conventional field effect transistor, which controls current through a semiconductor channel, many field emission transistor concepts are related to vacuum electronics, vacuum field emission transistors, nanoscale vacuum channel transistors, and advanced field emission devices.
MOSFET vs IGBT: Key Differences, Applications, and How to Choose the Right Power Switch
MOSFETs and IGBTs are both voltage-controlled power switching devices, but they are optimized for different operating ranges. MOSFETs are usually preferred for low-voltage, high-frequency switching applications such as DC-DC converters and SMPS circuits. IGBTs are often better for high-voltage, high-current, lower-frequency systems such as motor drives, inverters, UPS equipment, and welding machines. The right choice depends on voltage, current, switching frequency, conduction loss, switching loss, gate drive, thermal design, and cost.