Oriental Semiconductor

What Oriental Semiconductor does

Oriental Semiconductor (苏州东微半导体股份有限公司) is a China-headquartered fabless power semiconductor design house founded in 2008 in Suzhou, operating under a "Design + Virtual IDM" model that outsources wafer fabrication and packaging while retaining proprietary device architecture and process integration. Its portfolio spans high-, medium-, and low-voltage MOSFETs (including the proprietary GreenMOS superjunction and SFGMOS semi-floating gate MOSFET families), TGBT tri-gate IGBTs, SiC MOSFETs, GaN HEMTs, and analog/mixed-signal ICs such as LDOs, operational amplifiers, and DSPs. These products address power-conversion and signal-conditioning requirements across new-energy vehicle charging, photovoltaic and energy-storage inverters, 5G base-station power, AI/data-center (AIDC) power supplies, industrial drives, and consumer electronics.

The company monetizes via direct B2B sales of its proprietary devices and ICs to OEMs, ODM/EMS providers, and power-module manufacturers, generating revenue through per-unit pricing on certified designs rather than subscription or licensing models. It serves more than 2,000 customers globally with a headcount above 300, supported by 157 granted patents and device-physics innovation that has reached publication in Science. Oriental Semiconductor has been recognized as a national-level "Little Giant" (专精特新) specialized enterprise and a three-time "China Chip" (中国芯) award winner, and it counts hyper-scale compute infrastructure operators among its recognized customers (e.g., a "best delivery" award from 超聚变).

Capital-markets profile: listed on the Shanghai STAR Market (科创板) under ticker 688261 since its IPO on 2022-02-10, with a registered capital of RMB 122.57 million and a market capitalization of approximately RMB 88.22 billion. The capital base has funded continued R&D investment, a new R&D and production headquarters groundbreaking on 2026-05-08, an announced acquisition of HwinTech (慧能泰) to extend into full-chip energy-management solutions, and a GaN-focused partnership with Jingzhan Semiconductor signed in October 2025 — collectively indicating an offensive expansion of both product surface and vertical integration.

Name

Oriental Semiconductor

Legal name

苏州东微半导体股份有限公司 (Suzhou Oriental Semiconductor Co., Ltd.)

Website

https://orientalsemi.com

Company type

Public

Founded year

2008

Operating status

Operating

Short description

Oriental Semiconductor is a China-based fabless power semiconductor designer operating a "Design + Virtual IDM" model, supplying MOSFETs, IGBTs, SiC/GaN devices, and analog ICs to 2,000+ OEMs across NEV charging, PV, energy storage, 5G, and AI data-center power applications.

Ownership category

akta.pro rank

Product category

Power Semiconductors

NAICS

Semiconductor and Related Device Manufacturing (334413)

SIC

Semiconductors & Related Devices (3674)

akta.pro primary industry

High-Voltage, Power Discretes & Modules (IGBT/MOSFET/SiC/GaN) (HDAHAAAK)

akta.pro secondary industries

Wide-Bandgap Power Devices (SiC/GaN Discretes) (HDAHAHAG), Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH), Power Management & Power ICs (HDAHAAAE)

Keywords

• Power semiconductors
• MOSFET devices
• IGBT transistors
• Power management ICs
• Semiconductor design

Headquarters

HQ city

Suzhou

HQ country

China

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales

Revenue model

1. 功率半导体器件销售: 销售高性能功率半导体器件，包括MOSFET、IGBT、SiC MOSFET、GaN HEMT等分立功率器件

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Oriental Semiconductor designs and sells high-performance power semiconductor devices through a 'Design + Virtual IDM' model, including GreenMOS super-junction MOSFETs, SFGMOS shielded-gate MOSFETs, TGBT IGBTs, SiC MOSFETs, GaN HEMT devices, power modules, digital power management ICs, LDOs, operational amplifiers, and DSP chips. The products serve industrial/automotive applications (NEV charging, photovoltaic inverters, energy storage, 5G base stations, data center power, UPS) as well as consumer electronics (PC power, adapters, TV power boards, fast chargers).

Product overview

苏州东微半导体股份有限公司是一家专注于高性能功率半导体领域的半导体企业,采用「设计 + Virtual IDM」的创新模式。公司产品线完整,涵盖GreenMOS系列超级结MOSFET、SFGMOS系列屏蔽栅MOSFET、TGBT系列IGBT、SiC MOSFET、GaN HEMT、功率模块、数字电源管理芯片(Power IC)、LDO、运算放大器(OPA)以及DSP数字信号处理器等十大产品系列。这些产品可广泛应用于以新能源汽车直流充电桩、车载充电机、光伏逆变器、储能、5G基站电源、通信电源、数据中心服务器电源、工业照明电源、电动工具、智能机器人、无人机、UPS电源为代表的工业级及汽车级应用领域,以及以PC电源、适配器、TV电源板、手机快速充电器、电磁加热为代表的消费电子应用领域。公司拥有完整的自主产品线,覆盖全球超过2000家终端客户。

Differentiator

Problem solved

Functional benefit

Brands

• GreenMOS: GreenMOS series high-voltage superjunction MOSFET with unique patented device structure and manufacturing process, offering faster switching speeds and softer switching curves for high efficiency power systems.
• SFGMOS
• TGBT

Products and services

• GreenMOS Series Super Junction MOSFETs High-voltage super-junction MOSFET product line employing a unique patented device structure and manufacturing process that delivers faster switching speed and softer switching curves than conventional MOSFETs. Achieves extremely low dynamic loss while suppressing switching oscillation, improving system efficiency, reducing heat generation, and simplifying EMI design. Applied in fast chargers, LED power supplies, communications, server power supplies, and EV charging stations.
• SFGMOS Series Shielded Gate MOSFETs Semi-floating gate MOSFET product line that combines the advantages of traditional planar and SGT structures, providing higher process stability and reliability, faster switching speed, smaller gate charge, and higher application efficiency. Covers the full 20V-200V voltage range and is widely applied in motor drive and synchronous rectification.
• TGBT (Trident-Gate Bipolar Transistor) IGBTs IGBT chip product line using the proprietary TGBT device structure, delivering lower conduction voltage drop and smaller switching loss. First and second-generation TGBT product series have been launched across the 600V-1700V voltage range, suitable for photovoltaic energy storage inverters, DC charging stations, automotive main drive, OBC, and UPS applications. The ultra-high-speed series operates at 60-100KHz working frequency.
• Trench MOSFETs Trench MOSFET product family with reliable performance, including small-signal MOS and power MOS solutions. Comprehensive product portfolio provides flexibility for choosing the best fit for the system, ensuring highest reliability and performance, while advanced packaging enhances electrical resistance and thermal performance and reduces size and cost.
• Power Modules Advanced power module products including IGBT, MOSFET, SiC, Si/SiC hybrid modules, diodes, SiC diodes, and intelligent power modules. IGBT modules are used in main drive and DC-AC solar inverters, energy storage systems, UPS, and motor drive applications. MOSFET modules serve automotive motor drive and OBC applications at 40V, 60V, 80V, and 650V rated voltages using super-junction technology.
• SiC MOSFETs Third-generation semiconductor material power devices using SiC material, providing higher breakdown voltage, lower conduction resistance, and better thermal stability. Represents a key component of future high-performance power devices. Multiple SiC MOSFET products have been developed.
• GaN HEMT Gallium nitride high electron mobility transistor devices offering the fastest switching/transition capability (highest dv/dt and di/dt) and best energy efficiency performance. The company's self-developed GaN HEMT uses novel design to lower conduction and switching loss, further improving power density for various high-voltage and low-voltage applications.
• Power IC (Digital Power Management IC) Digital dedicated power control IC product line targeting high-end AC-DC and DC-DC industrial power and AI computing power applications. Fully adapts to high-frequency wide-bandgap power devices and high-density power architectures, providing digital configurability of important parameters, flexible adjustment of loop compensation, operating topology modes, protection thresholds, and light-load energy-saving strategies. Includes high-precision sampling, intelligent fault protection, and adaptive algorithm integration.
• LDO (Low Dropout Linear Regulator) Full-series high-performance LDO product line covering ultra-low-power CMOS architecture and high-reliability Bipolar architecture. CMOS series achieves static current as low as 0.2μA and PSRR up to 90dB, while Bipolar series supports output currents up to 1.5A and withstands voltages above 36V. Covers 5.5V to 100V full voltage input range, with multiple current specifications from 100mA to 1.5A and various packages (SOT23/SOT89/SOT223/TO252). Particularly suited for smart meters, 48V mild-hybrid systems, security monitoring, motor drive, IoT nodes, and precision instruments.
• OPA (Operational Amplifier) Full-series high-performance analog signal chain products covering four core categories: low-voltage general op amps, high-voltage general op amps, low-voltage high-speed op amps, and low-voltage comparators. Provides extremely low input offset voltage (Vos) and excellent PSRR. Low-voltage general series achieves static power consumption as low as 50μA with rail-to-rail input/output; high-speed series provides up to 250MHz gain bandwidth and 180V/μs slew rate. Available in single to quad channel configurations with multiple packages (SOT23, MSOP, DFN), suitable for industrial control, automotive electronics, medical instruments, communications equipment, precision data acquisition, and IoT sensors.
• DSP (Digital Signal Processor) DSP product line focused on forward chip design with proprietary DSP processor core and full peripheral module IP source code. Core IP supports full-flow autonomous development. Products have 11 invention patent applications (4 granted), 17 software copyrights, and 3 IC layout designs. Mass-produced and serving multiple well-known domestic enterprises. Targets international mainstream DSP chips for power control, motor drive, and industrial network applications, addressing the industry's pain point of high dependence on imported DSP chips and advancing domestic substitution.
• SFS08R023UGSCNF SGT MOSFET SGT MOSFET product featuring ultra-low thermal resistance designed to meet higher power density requirements in power conversion applications.

Quantifiable outcome

• 覆盖全球超过2000家终端客户
• +1 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered core.

• 慧能泰coreStrategic or Co-development Partner · 1 March 2026东微半导拟控股慧能泰，剑指“芯”能源全链路解决方案。双方拟在功率半导体芯片领域展开深度合作，共同开发全链路解决方案
• 晶湛半导体coreStrategic or Co-development Partner · 1 October 2025东微半导体与晶湛半导体携手推进12英寸氮化镓（GaN）功率器件研发和应用，共同开发下一代GaN功率半导体技术

Scale indicators6 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• China Resources Microelectronics (华润微电子): Chinese semiconductor IDM producing power MOSFETs, IGBTs, and power ICs for industrial and consumer applications. Directly comparable to Oriental Semiconductor as a Chinese power semiconductor supplier with overlapping product portfolio and IDM-style operations.
• Silan Microelectronics (士兰微电子): Chinese semiconductor IDM focusing on power management ICs, MOSFETs, IGBTs, and power modules. Comparable to Oriental Semiconductor as a Chinese power semiconductor peer with similar product breadth and end-market focus.
• Innoscience (英诺赛科): Chinese power semiconductor company specializing in GaN power devices for high-frequency and high-efficiency applications. Comparable to Oriental Semiconductor as a Chinese GaN power semiconductor peer with overlapping GaN HEMT product line.
• NCE Power (新洁能): Chinese power semiconductor company specializing in MOSFETs, IGBTs, and power modules for industrial and consumer applications. Comparable to Oriental Semiconductor as a Chinese power discrete designer with similar product portfolio and fabless/foundry model.
• StarPower Semiconductor (斯达半导): Chinese power semiconductor specialist focused on IGBT modules for industrial and automotive applications. Comparable to Oriental Semiconductor as a Chinese IGBT power semiconductor specialist with overlapping product lines in industrial and EV markets.

Broad incumbents

• Infineon Technologies: Global leader in power semiconductors producing MOSFETs, IGBTs, SiC, GaN, and power modules. Comparable to Oriental Semiconductor as a broad incumbent in the global power semiconductor market with overlapping product categories across all major discretes.
• STMicroelectronics: Global semiconductor company with strong power semiconductor portfolio including SiC MOSFETs, IGBTs, and power modules. Comparable to Oriental Semiconductor as a broad incumbent and leading SiC power semiconductor supplier.
• ON Semiconductor: Global semiconductor company specializing in power management and power semiconductors including SiC, MOSFETs, and IGBTs. Comparable to Oriental Semiconductor as a broad incumbent with overlapping power discrete and module products.
• ROHM Semiconductor: Japanese semiconductor company producing power discretes, IGBTs, SiC, and GaN devices. Comparable to Oriental Semiconductor as a broad incumbent power semiconductor supplier with overlapping product portfolio across multiple power device categories.

Emerging players

• Wolfspeed: Global specialist in silicon carbide (SiC) power semiconductors with vertically integrated SiC substrate-to-device manufacturing. Comparable to Oriental Semiconductor as a SiC power semiconductor specialist competing in the same wide-bandgap segment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Oriental Semiconductor