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Global and U.S. Static Induction Thyristors Market Report, Published by QY Research.

11-13-2025 10:09 PM CET | Advertising, Media Consulting, Marketing Research

Press release from: QY Research

Global and U.S. Static Induction Thyristors Market Report,

A traction inverter manufacturer in Japan faced efficiency losses and overheating problems in high-voltage converters for electric locomotives and power grid systems. Conventional gate turn-off thyristors (GTOs) exhibited slow switching speeds and large power dissipation during operation. To overcome these limitations, the company adopted Static Induction Thyristors (SITs) - high-power semiconductor devices characterized by vertical channel structures and short carrier lifetimes that enable fast switching and high current density. By integrating SIT modules into their converter designs, the company achieved a 25% reduction in switching losses, improved thermal stability, and enhanced energy conversion efficiency under high-load conditions. The robust design and radiation resistance of SITs also allowed reliable use in aerospace and nuclear power control systems, extending equipment lifetime and reducing maintenance costs.

https://www.qyresearch.com/reports/5431589/static-induction-thyristors

Core Market Data

Global market size: USD 1.1 billion
CAGR (2024-2030): 6.1%
Average price: USD 125 per unit
Annual production: 8.4 million units
Gross margin: 38%
Production capacity: 10 million units

List of Main Players

Hitachi Energy
Infineon Technologies
Semikron Danfoss
Mitsubishi Electric
Fuji Electric
Dynex Semiconductor
Proton-Electrotex
Vishay Intertechnology
Littelfuse
STMicroelectronics
WeEn Semiconductors
Shindengen Electric
Jiangsu JieJie Microelectronics
Renesas Electronics
Sanken Electric
Unisonic Technologies

1. By Current Rating

Standard-current (100-1000 A)
High-current (>1000 A)

2. By Voltage Rating

Low-voltage (Below 1 kV)
High-voltage (1-20 kV)

3. By Product Type

Depletion Type
Enhancement Type

4. By Application

Power & Energy
Railway Systems
Aerospace & Defense
Industrial

Case Study for Bidding

Time: May 2024
Supplier: Fuji Electric Co., Ltd. (Japan)
Buyer: Siemens Energy (Germany)
Product: 4.5 kV static induction thyristor modules for high-frequency induction heating converters
Quantity: 45,000 units
Contract Value: USD 5.9 million
Delivery Timeline: March 2026

Case Study for End Using

End User: Mitsubishi Heavy Industries (Japan)

Application: Integrated into pulse power supplies for high-speed turbine motor drives in industrial automation systems.

Installation Location

Installed within power conversion cabinets and control racks.
Connected to transformer units via copper busbars for minimal resistance.
Coupled with liquid-cooled heat sinks for high-duty operation stability.

Purpose

Provides fast and reliable switching for large current pulses.
Enhances efficiency in variable-speed industrial drive systems.
Reduces conduction losses and thermal stress compared to traditional SCRs.

Effect

Improved energy efficiency by 17% in continuous operation.
Extended module service life by 22% under cyclic load conditions.
Achieved smoother torque control in high-speed industrial machinery.

Alternative Devices

IGBTs and GTOs are effective for general-purpose switching but lack SITs' high surge current tolerance and lower conduction loss at high power levels.
Therefore, Static Induction Thyristors remain critical for ultra-high-power, high-frequency, and pulse-controlled applications across industrial and defense systems.

About QY Research

QY Research has established close partnerships with over 71,000 global leading players. With more than 20,000 industry experts worldwide, we maintain a strong global network to efficiently gather insights and raw data.

Our 36-step verification system ensures the reliability and quality of our data. With over 2 million reports, we have become the world's largest market report vendor. Our global database spans more than 2,000 sources and covers data from most countries, including import and export details.

We have partners in over 160 countries, providing comprehensive coverage of both sales and research networks. A 90% client return rate and long-term cooperation with key partners demonstrate the high level of service and quality QY Research delivers.

More than 30 IPOs and over 5,000 global media outlets and major corporations have used our data, solidifying QY Research as a global leader in data supply. We are committed to delivering services that exceed both client and societal expectations.

For Inquiries:

USA: +1-626-295-2442

Canada: +1-778-907-6631

China: +86-150-1303-8387

Japan: +81-90-3800-9273

South Korea: +82-2883-1278

India: +91-866-9986-909

Indonesia: +62-818-510-991

Germany: +49-15788468916

Switzerland: +41-765899438

Portugal: +351-910983247

Email: global@qyresearch.com

www.qyresearch.com

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