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This section provides an overview for silicon carbide (sic) mosfets as well as their applications and principles. Also, please take a look at the list of 15 silicon carbide (sic) mosfet manufacturers and their company rankings. Here are the top-ranked silicon carbide (sic) mosfet companies as of December, 2024: 1.WeEn Semiconductors Co., Ltd, 2.Solitron Devices, 3.Wolfspeed.
Table of Contents
SiC MOSFET is a MOSFET that uses a silicon carbide (SiC) MOSFET, a compound semiconductor, instead of the conventional Si substrate.
MOSFETs are used for on/off switching, amplifiers, and other applications. By using SiC, a compound semiconductor, as the semiconductor substrate material, it is possible to reduce the resistance when voltage is applied compared to a conventional silicon carbide (SiC) MOSFET.
As a result, switching loss during turn-off,and power loss during power operation can be reduced. This can improve the performance of the semiconductor chip and reduce the cooling capacity required during transistor operation, leading to downsizing of the product itself.
SiC MOSFETs are used in many semiconductor products, such as relays, switching power supplies, and image sensors in the field of power electronics. SiC MOSFETs are also used in communication equipment in many cases.
When selecting a silicon carbide (SiC) MOSFET, the operating conditions of the product application must be considered, i.e., absolute maximum ratings, electrical characteristics, package use and size, etc.
Silicon carbide (SiC) MOSFETs can achieve a MOSFET structure that allows low ON resistance and low-loss operation during turnoff, while maintaining a similar level of withstand voltage. This is because the active layer thickness can be reduced because the transistor is made of SiC substrate, which has properties of band gap energy about 3 times higher and breakdown field strength about 10 times higher than that of Si substrate.
A silicon carbide (SiC) MOSFET has a stacked structure of p-type and n-type semiconductors. Usually, the n-type semiconductor is stacked on top of the p-type semiconductor. The drain and source electrodes are attached to the n-type semiconductor, and the oxide insulating layer and gate electrodes are attached between the n-type semiconductors. In addition, SiC (silicon carbide), a compound semiconductor, is used as an epi-substrate for the silicon wafer of the body.
In a MOSFET, applying a positive voltage to the gate causes a current to flow between the source and drain. In this case, a silicon carbide (SiC) MOSFET, which uses SiC in the silicon wafer, can operate with a larger voltage and current between the source and drain than a MOSFET that uses only Si. Since the concentration of impurities in the semiconductor can be increased, losses can be reduced and the size of the MOSFET can be made smaller.
IGBTs are transistors used for applications in the high-power range, which are difficult to handle with ordinary Si MOSFETs, but recently SiC MOSFET devices are being used in this range. SiC MOSFET devices are being used in this area because SiC has a large band gap energy, which allows it to operate at higher temperatures than IGBTs. Another reason is that SiC MOSFETs can overcome the problem of large switching losses in the subsequent bipolar transistor in the case of IGBTs.
In the past, SiC epi-substrates had a small diameter, making mass production and cost difficult. Recently, however, it has become possible to use 8-inch substrates, and mass production and prices have been improving.
SiC is being actively used in relatively large power handling applications exceeding 10 kW, such as electric vehicle (EV) applications, power generation system applications, and residential power applications.
Along with SiC, gallium nitride (GaN) is another wide band gap semiconductor that is attracting attention. GaN has a larger band gap energy and higher dielectric breakdown strength than SiC, and is the subject of active research at research institutes.
Since GaN generally consists of a GaN active layer on a Si substrate, it is difficult to support high-power applications as well as SiC MOSFETs. In the market, applications that handle power equivalent to 1KW are relatively being considered. Examples include high power amplifier applications for 5G base stations and battery charging applications via PC or USB.
GaN devices, like silicon carbide (SiC) MOSFETs, can operate at high temperatures and do not require cooling equipment or excessive heat removal structures, which has led to their widespread use in recent years as compact PC power adapters.
*Including some distributors, etc.
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Qorvo, established in 2015, is a semiconductor manufacturer headquartered in Greensboro, North Carolina, USA, that specializes in providing RF (Radio Frequency) solutions. Their range of product offerings includes RF chips, modules, amplifiers, discrete transistors, and integrated circuits, designed to enable wireless communication, enhance defense systems, support automotive applications, facilitate aerospace operations, and enable connectivity in the Internet of Things (IoT) sector. Qorvo is certified with ISO 9001 for quality management and ISO 14001 for environmental management.
MCC is a manufacturer of semiconductors, founded in 1991, and has its headquarters located in California, USA. Their portfolio contains five core semiconductor types—offering a full range of diodes, rectifiers, transistors, MOSFETs, voltage regulators, and protection devices. Their products are used to optimize power management, enable signal processing, protect circuits, and enhance the performance of electronic systems across various sectors such as consumer electronics, aerospace, medical devices, and more. The company has received IATF 16949:2016 and ISO 9001:2015 certifications.
Microchip Technology Incorporated was incorporated in 1989 and is headquartered in Chandler, Arizona. The company is a developer and manufacturer of control solutions for global markets including the automotive, industrial, communications, human-machine interface, and connectivity industries. The company’s products include microcontrollers, field-programmable gate array products, MOSFET and radio frequency products, and both wired and wireless communications products. The company’s services include wafer foundry and assembly services, test subcontracting manufacturing services, development tools for enabling system designers to program microcontrollers and processors, and timing system products.
Alpha & Omega Semiconductor, founded in Sunnyvale, CA in 2000, is a supplier of a broad range of power semiconductors, including Power MOSFET, IGBT, IPM and Power IC products. The company's product portfolio includes Gate Drivers, Transient Voltage Suppression (TVS), and Silicon Carbide (SiC), which find applications in portable computers, tablets, smartphones, flat panel TVs, and battery packs. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. They also offer custom packaging, warehousing, and distribution services.
Littelfuse founded in 1927, is an industrial manufacturing company empowering a sustainable, connected, and safer world, headquartered in Chicago, Illinois, United States. The company's product portfolio includes the solutions for both individual and entire systems, as a global manufacturer of technologies in circuit protection, power control, and sensing. Across more than 20 countries, and with approximately 18,000 global associates, partner with customers to design and deliver advanced solutions. Serving over 100,000 end customers, their products are found in industrial, transportation, and electronics end markets.
Solitron Devices, Inc., based in West Palm Beach, Florida, is a manufacturer of solid-state semiconductor components and related devices, primarily serving the military and aerospace markets, founded in 1959. The company offers a wide range of products, including bipolar and metal oxide semiconductor power transistors, power and control hybrids, thin film resistors, and other related products. They have been manufacturing power semiconductors and integrated power solutions for systems that demand the ultimate in performance. Customers in aerospace, defense, industrial and space rely on their products to develop smaller, lighter weight, higher efficiency systems level solutions.
Wolfspeed, based in North Carolina, USA, is a global manufacturer and supplier of Silicon Carbide products, established in 1989. Their extensive portfolio includes Silicon Carbide MOSFETs, Schottky diodes, RF devices, and power modules. The company has 7+ trillion power device field hours and licenses to manufacture from major corporations, including Mitsubishi Chemical, Nexperia BV, Resonac Corporation, Tokuyama Corporation, and Transphorm. As a semiconductor manufacturer, they provide disruptive technology solutions for industries such as electric vehicles, fast charging, 5G, renewable energy, and aerospace. They are ISO 9001:2015, AS 9100D, and IATF 16949: 2016 Certified
Cissoid, founded in 2000 and headquartered in Mont-Saint-Guibert, Walloon Region, is a manufacturer of high temperature semiconductors. They deliver standard products and custom solutions for power management, power conversion and signal conditioning in extreme temperature and harsh environments. Their solutions range from system-on-chip to complete SiC and GaN based inverter platforms to support an ever-growing range of e-mobility and high-power applications. The company has been supplying products to leaders in the Oil & Gas, aeronautic, Industrial and automotive markets.
Toshiba Electronic Devices & Storage Corporation is a division of Toshiba focusing on providing designs for end-product developers as well as semiconductor and drive equipment for automotive, industrial equipment, green energy, and consumer and personal electronic devices. Toshiba’s storage products include cloud-scale and enterprise-level products, and PC hard drives. Semiconductor products include Si Cower devices, MOSFETs, IGBTs, IEGTs, isolators, solid state relays, power management and intelligent power ICs, diodes, bipolar transistors, microcontrollers, automotive devices, ICs for wireless communication equipment, general purpose logic ICs, radio-frequency devices, sensors, and linear image sensors.
WeEn Semiconductors Co., Ltd., established in 2015, and headquartered in Shanghai, China, is a manufacturer of bipolar power products. The company offers a diverse product portfolio, including Silicon Controlled Rectifiers utilized in power electronic circuits, Power Diodes for converting AC to DC, High Voltage Transistors for high voltage applications, Silicon Carbide Products suitable for high-temperature and high-voltage scenarios, and IGBTs and Modules commonly employed in high-power applications such as motor drives and power grids. The company has achieved certifications like IATF 16949, ISO 9001, and ISO 14001, ensuring quality and environmental standards.
ST Micro Electronics is a global semiconductor company serving customers with innovations to have a positive impact on people's lives. Their product line is micro electronic systems, such as switches, controllers, sensors and drivers. The main selling point of ST Micro Electronics is its provision of sustainable products, and introducing their electronics to create a more sustainable world. The company, as well as providing the electronic devices, also provides software and support, ensuring that all fields are covered to provide a fully provide a supported and strong relationship with their customer base. ST Micro Electronics believe that technology plays a key role in helping to solve environmental and social challenges, which is why their semiconductor technologies start with their employees, their customers and partners.
SEMIKRON Dafoss is a power electronics manufacturer formed by the 2022 combination of SEMIKRON and Danfoss Silicon Power. The goods include semiconductor components, power modules, stacks, and discrete systems, including chips, diones, and thyristors used in automotive, industrial, and renewable energy applications. Heatsinks, fans, and thermal interface materials are examples of accessories. The business operates production facilities with certifications like ISO 9001:2015, EMAS, and Letter of Conformity 2022 in Brazil, Germany, Italy, India, and the United States.
Bosch, founded in Stuttgart, Germany, in 1886 is a manufacturer of consumer goods, electronic appliances and tech products. The company's product portfolio includes home appliances such as dishwashers, fridges and freezers, power tools including saws, and drills, garden tools, measuring tools and heating and cooling tools. The company serves markets including Medical and Healthcare, Aerospace and Defense, Consumer Goods, Industrial Manufacturing and Construction and Building. The company has global sales networks and offers services including product selection, installation, preventative maintenance, troubleshooting, and repair.
ROHM Semiconductor was incorporated in 1940 and is headquartered in Kyoto, Japan. ROHM manufactures and sells electronic components worldwide. ROHM operates through the segments ICs, discrete semiconductor devices, and modules. ROHM provides ICs comprising memory, amplifiers and linear, power management, clocks and timers, switches and multiplexers, logic, data converters, sensors and MEMS, display drivers, motor/actuator drivers, interfaces, communication and speech synthesis LSI, audio and video, and microcontrollers. ROHM also offers discrete semiconductor products include MOSFETs, bipolar transistors, and diodes; power devices, including power transistors and diodes, SiC power devices, IGBT, and IPM; passive devices, such as resistors, and conductive polymer and tantalum capacitors; and various modules among others.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | WeEn Semiconductors Co., Ltd |
28.7%
|
| 2 | Solitron Devices |
13.7%
|
| 3 | Wolfspeed |
9.9%
|
| 4 | Bosch Semiconductors |
9.2%
|
| 5 | Semikron Danfoss |
8.1%
|
| 6 | Littelfuse |
7.6%
|
| 7 | Toshiba Electronic Devices & Storage |
7.0%
|
| 8 | STMicroelectronics |
6.1%
|
| 9 | ROHM Co., Ltd. |
5.5%
|
| 10 | Qorvo |
0.9%
|
Derivation Method
The ranking is calculated based on the click share within the silicon carbide (sic) mosfet page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
7 | 63.6% |
|
Japan
|
3 | 27.3% |
|
Belgium
|
1 | 9.1% |
19 products found
19 products
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