Amidst the global wave of new energy, electric vehicles, and industrial automation, a high-performance, highly reliable power semiconductor device is becoming the "core engine" driving industrial upgrade. As the "high-voltage valve" of power electronics systems, high-voltage MOSFETs play a crucial role in areas such as energy conversion, motor drive, and power management, thanks to their fast switching, low loss, and high energy efficiency characteristics.

Faced with this booming market opportunity, significant news comes from the domestic power semiconductor field—Xinyan Semiconductor, a manufacturer specializing in MOSFET R&D and production, has officially launched a full series of high-voltage MOSFET products. Covering multiple models such as 4N65, 7N65, 10N65, and 12N65, and offering two mainstream package types, TO-252 and TO-220F, the company provides domestic customers with a complete high-voltage power solution ranging from 4A to 12A.

Exploding Market Demand: High-Voltage MOSFETs in the Spotlight

Currently, the high-voltage MOSFET market is experiencing unprecedented growth opportunities. According to data from market research agencies, the global high-voltage power MOSFETs market size reached approximately RMB 40.03 billion in 2025 and is expected to maintain steady growth, approaching RMB 56.9 billion by 2032, with a compound annual growth rate (CAGR) of 5.1% over the next six years.

Another report indicates that global high-voltage MOSFET sales reached USD 5,145 million in 2025 and are projected to reach USD 8,046 million by 2032, with a CAGR of 6.6% from 2026 to 2032.

This growth is driven by multiple industry trends:

1. New Energy Vehicle Revolution: With the accelerated adoption of 800V high-voltage platforms in electric vehicles, the demand for 650V high-voltage MOSFETs in onboard chargers (OBC), DC-DC converters, and thermal management systems has surged. High-voltage MOSFETs can effectively reduce heat dissipation, shrink semiconductor module sizes, and improve vehicle energy efficiency.

2. Renewable Energy and Energy Storage Boom: In the photovoltaic and energy storage markets, string inverters are evolving towards higher power density, making 1200V trench MOSFETs mainstream; residential energy storage systems' demand for high-efficiency, compact AC-DC topologies is driving a doubling in the adoption of Split-Gate Trench (SGT) MOSFETs.

3. AI Computing Infrastructure Upgrade: Capital expenditure for the world's eight major cloud service providers is projected to exceed USD 710 billion in 2026, a staggering 61% year-over-year increase. Compared to traditional servers, a single AI server's power density increases 3-5 times, leading to exponential growth in demand for high-voltage MOSFETs and power management MOSFETs.

4. Industrial Automation and Smart Manufacturing: With rising levels of industrial automation and increasing demand for high-energy-efficiency electrical systems, the application of high-voltage MOSFETs in industrial control, robotics, and automated equipment continues to expand.

Xinyan Semiconductor: A Domestic Manufacturer with Solid Accumulation

Seizing this market opportunity, Xinyan Semiconductor, leveraging its years of technical expertise, officially enters the high-voltage MOSFET market.

As a National High-Tech Enterprise headquartered in Longgang District, Shenzhen, Guangdong, Xinyan Semiconductor is led by a core team of high-tech talents. It boasts a core R&D team of over 20 members and possesses full-process capabilities from device design, process manufacturing, to packaging and testing.

The company has long focused on the medium-low voltage power MOSFET market (12V to 250V), offering a comprehensive product portfolio including Trench MOSFETs (12V-200V) and Shielded Gate Trench MOSFETs (30V-250V). The launch of this high-voltage MOSFET series marks Xinyan Semiconductor's formal entry into the high-voltage power market above 400V, further completing its product matrix.

Product Matrix Details: Full-Series High-Voltage MOSFETs Meet Diverse Needs

Xinyan Semiconductor's newly launched high-voltage MOSFET series focuses on the 650V voltage rating, providing complete current coverage from 4A to 12A to meet various power-level application requirements:

• 4N65 TO-252 Package

• Voltage: 650V

• Current: 4A continuous drain current, 16A pulse current

• Package: TO-252 (DPAK) surface-mount package, suitable for automated SMT production; large bottom metal thermal pad facilitates heat transfer to PCB

• Applications: Medium-low power switch-mode power supplies, adapters, LED drivers, etc.

• 7N65 TO-252 Package

• Voltage: 650V

• Current: 7A continuous drain current

• Package: TO-252 surface-mount package, suitable for environments with high voltage below 7N and medium voltage below 70A

• Applications: PD fast chargers, laptop adapters, e-bike chargers, etc.

• 7N65 TO-220F Package

• Voltage: 650V

• Current: 7.0A continuous drain current, 125.0W power dissipation

• Rds(on): 1.27Ω

• Package: TO-220F fully plastic package, no exposed metal on the back, no insulation pad required during installation, suitable for direct contact with heat sinks

• Applications: Industrial control, automotive electronics, communication equipment, etc.

• 10N65 TO-220F Package

• Voltage: 650V

• Current: 10A continuous drain current

• Rds(on): ~0.75Ω

• Package: TO-220F fully plastic package, providing good thermal performance and mechanical stability

• Applications: Switch-mode power supplies, inverters, DC-DC converters, motor control, etc.

• 12N65 TO-220F Package

• Voltage: 650V

• Current: 12A continuous drain current, 48A pulse current

• Rds(on): Typical 0.605Ω~0.72Ω

• Package: TO-220F package with integrated metal heat spreader, designed for 650V high-voltage, high-frequency switching circuits

• Applications: High-voltage switch-mode power supplies, PV inverters, energy storage systems, EV OBC, etc.

Package Selection Guide: TO-252 vs. TO-220F

• TO-252 (DPAK) Package Advantages:

• Surface-mount design, suitable for automated production, improving efficiency.

• Compact size (7.0×10.0×2.8mm), saves PCB space.

• Bottom metal pad provides good thermal path for dissipation through the PCB.

• Suitable for medium-low power applications below 150W.

• TO-220F Package Advantages:

• Fully plastic package, eliminates need for extra insulation pad, simplifying assembly.

• Supports external heat sink for stronger cooling, suitable for high-power applications.

• Through-hole design offers good mechanical stability for high-vibration environments.

• Suitable for medium-high power applications from 100W to 300W.

Technical Advantages: Performance Comparable to International Top-Tier Brands

Xinyan Semiconductor's high-voltage MOSFET series achieves breakthroughs in key performance indicators:

• High Voltage Withstanding: All products achieve 650V drain-source breakdown voltage, meeting high-voltage application requirements.

• Low On-Resistance (Rds(on)): Optimized device structure and process significantly reduce conduction losses, improving overall system efficiency.

• Excellent Switching Characteristics: Low gate charge and low output capacitance design minimize energy loss during switching, making them especially suitable for high-frequency PWM applications.

• Good Thermal Performance: TO-220F package allows for external heat sinks; TO-252 package dissipates heat via PCB, ensuring stable operation under continuous high load.

• Wide Operating Temperature Range: -55°C to 150°C, suitable for various extreme environmental conditions.

Comprehensive Application Coverage: Empowering Diverse Industries

Xinyan Semiconductor's high-voltage MOSFET series will be widely applied in the following high-growth sectors:

• New Energy Vehicles & Charging Infrastructure: Suitable for OBC, DC-DC converters, motor drive controllers in 800V platforms, helping improve vehicle range and charging efficiency.

• Photovoltaic Inverters & Energy Storage Systems: Acts as core switching device in string inverters and storage converters, improving energy conversion efficiency while reducing system size and cost.

• Industrial Automation & Robotics: Provides efficient, reliable power switching solutions for servo drives, industrial power supplies, and robot joint motors.

• AI Servers & Data Center Power Supplies: Meets the stringent requirements of high-power-density AI servers for high-efficiency, high-reliability power devices.

• Consumer Electronics & Smart Home: Enhances energy efficiency in premium power adapters, smart home appliances, and LED lighting.

The Time for Domestic Substitution is Now: Seize the Historic Opportunity

Currently, domestic power semiconductors are facing a historic development opportunity. In 2025, China's power semiconductor industry market size reached approximately RMB 187.1 billion, holding a significant position in the global market with a leading growth rate. As the nation places increasing emphasis on semiconductor industry security and downstream customers urgently seek supply chain autonomy and control, the domestic substitution process is accelerating comprehensively.

In the third-generation semiconductor field, China's power electronics materials have formed a production capacity advantage, entering the international first tier. Domestic companies, leveraging technological catch-up and cost advantages, are securing more favorable positions in the global market.

As a domestic manufacturer with full-process capabilities, Xinyan Semiconductor not only provides high-performance products but also offers stable supply chain assurance and rapid technical support, helping customers reduce supply chain risks and improve product competitiveness.

Conclusion: Join Hands to "Drive" the Future with "Chip"

In the wave of power semiconductor localization, Xinyan Semiconductor, with its profound technical expertise, full-process manufacturing capability, and keen insight into market demands, officially launches its full series of high-voltage MOSFETs. This move not only completes its own product portfolio but also strongly promotes the development of the domestic power semiconductor industry.

Whether you are developing next-generation smart products or seeking supply chain optimization and backup, Xinyan Semiconductor is committed to being your most trusted partner with original manufacturer quality, technology, and service.

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