WeEn Semiconductors

Name

WeEn Semiconductors

Legal name

WeEn Semiconductors Co., Ltd.

Website

https://ween-semi.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

Power Semiconductors

NAICS

Semiconductor and Related Device Manufacturing (334413), Semiconductor and Other Electronic Component Manufacturing (3344)

SIC

Semiconductors & Related Devices (3674)

akta.pro primary industry

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

akta.pro secondary industries

Thyristors (SCRs/Triacs/Diacs) (HDAHAHAF), Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH), Wide-Bandgap Power Devices (SiC/GaN Discretes) (HDAHAHAG), Diodes & Rectifiers (Standard/Fast/Schottky) (HDAHAHAD), Wide-Bandgap (SiC/GaN) Power Modules, Gate Drivers & Packaging (EUAFAIAJ)

Keywords

• Power semiconductors
• Silicon carbide devices
• Thyristors and triacs
• IGBTs and MOSFETs
• Automotive grade rectifiers

Headquarters

HQ city

Shanghai

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Revenue model

1. Power Semiconductor Components Sales: WeEn generates revenue through the sale of discrete power semiconductor components and modules including thyristors, triacs, power rectifiers, silicon carbide (SiC) devices, IGBTs, MOSFETs, bipolar transistors, and automotive-grade products. The company serves diverse applications across consumer electronics, industrial, renewable energy, and automotive sectors with a broad product portfolio.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

WeEn Semiconductors is a power device supplier that designs, manufactures, and sells discrete power semiconductor components including thyristors, triacs, power rectifiers, protection devices, silicon carbide (SiC) devices, IGBTs, MOSFETs, and bipolar transistors. The company serves consumer electronics, industrial, renewable energy, and automotive applications with a portfolio of AECQ-101 qualified automotive products and high-voltage SiC power modules.

Product overview

WeEn Semiconductors is a professional power device supplier spun off from NXP with over 50 years of leading experience in power semiconductors. The company offers a unified portfolio of power semiconductor products organized into major categories: Thyristors & Triacs (including 3Q SnubFree Triacs, 4Q Standard Triacs, ACT/ACTT Overvoltage Clamping, TOPTriacs, SCRs, Automotive Thyristors, and SCR/Diode Modules), Power Rectifiers (Standard, Hyperfast, Ultrafast, Schottky, and Automotive Rectifiers), Protection Devices (TVS Diodes and ESD Diodes), Silicon Carbide (SiC Diodes, SiC MOSFETs, SiC Power Modules, and bare die products), IGBTs (650V, 1200V, 1350V discrete and Power Integrated Modules), Silicon Power MOSFETs (LV, MV, HV), Bipolar Transistors (HV NPN), and Automotive Grade Products (AECQ-101 qualified for EV-Chargers and OBC). The portfolio serves consumer electronics, industrial, renewable energy, and automotive applications across more than 30 countries.

Differentiator

Problem solved

Functional benefit

Products and services

• Thyristors & Triacs Comprehensive range of thyristors and triacs featuring best-in-class planar passivation technology, exceptional high-voltage and high-temperature durability, outstanding dynamic performance, and strong immunity to false triggering. Includes 3Q SnubFree Triacs, 4Q Standard Triacs, Overvoltage Clamping ACT & ACTT Triacs, Overload Protection TOPTriacs, Thyristors (SCRs), Automotive Grade Thyristors, and SCR/Diode Modules for industrial, consumer, and automotive applications.
• Power Rectifiers Silicon power diodes including Standard Diodes, Fast Recovery Diodes, Hyperfast Rectifiers, Ultrafast Rectifiers, and Schottky Diodes covering multiple voltage and current ratings for industrial and consumer applications.
• Protection Devices TVS (Transient Voltage Suppressor) diodes and ESD protection diodes designed to protect electronic circuits under surge energy or electromagnetic interference (EMI) conditions for industrial, consumer, and automotive applications.
• Silicon Carbide (SiC) Products Wide band gap semiconductor material for medium to high voltage power components. Includes SiC Diodes, SiC MOSFETs, SiC Power Modules, SiC Diodes Bare die, and SiC MOSFET Bare die offering superior thermal conductivity and efficiency for demanding power applications.
• IGBTs Insulated Gate Bipolar Transistors as core devices in power conversion. Includes 650V Discrete IGBTs, 1200V Discrete IGBTs, 1350V Discrete IGBTs, and Power Integrated Modules for industrial, renewable energy, and automotive power conversion applications.
• Silicon Power MOSFETs MOSFETs controlling current flow between source and drain terminals via gate voltage, widely used in SMPS and DC-DC converters for efficiency, speed, and power-handling capabilities. Includes LV MOSFETs, MV MOSFETs, and HV MOSFETs.
• Bipolar Transistors HV NPN Bipolar Transistors featuring best-in-class planar passivation technology, exceptional high-voltage and high-temperature durability, outstanding dynamic performance, and robust safe-operating-area capability.
• Automotive Grade Products AECQ-101 qualified products mainly intended for EV-Chargers and On-Board Chargers (OBC). Includes Automotive Thyristors, Automotive Rectifiers, Automotive SiC Diodes, and Automotive SiC MOSFETs designed to meet automotive reliability standards.
• 2000V HV Series New high-voltage rectifier series engineered for high-voltage systems. Features intelligent HV control, high junction temperature capability, and superior surge current (IFSM) tolerance for high-voltage power applications.
• SiC MOSFET & SBD Top-Cooling Packages TOLT/TSPAK Top-cooling packages TOLT and TSPAK for Silicon Carbide MOSFET and Schottky Barrier Diode devices, enabling enhanced thermal performance in power electronics applications.

Named customers1 record

Segments4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Unigroup Guoxin Microelectronics Co., Ltd.flagshipStrategic or Co-development Partner · 13 January 2026Unigroup Guoxin Microelectronics Co., Ltd. has signed an asset purchase agreement to acquire WeEn Semiconductors Co., Ltd. from a group of shareholders. Unigroup Guoxin specializes in integrated circuit design, manufacture, and marketing of chips including security, memory, FPGAs, and power devices. This acquisition, pending completion, would bring WeEn under the Unigroup Guoxin umbrella, combining two semiconductor-focused companies.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Toshiba Electronic Devices & Storage: Manufacturer of power MOSFETs, IGBTs, and discrete semiconductors with strong presence in industrial and automotive applications, competing with WeEn in mid-voltage discrete segments.
• Infineon Technologies: Global leader in power semiconductors with a directly overlapping portfolio of IGBTs, SiC MOSFETs, SiC diodes, power modules, and automotive-qualified discretes, competing head-to-head with WeEn in industrial, renewable, and EV applications.
• Vishay Intertechnology: Broad discrete semiconductor manufacturer with strong portfolios in power rectifiers, MOSFETs, and protection devices — directly comparable to WeEn's mature discrete and rectifier lines.
• Diodes Incorporated: Discrete semiconductor supplier with MOSFETs, rectifiers, protection devices, and bipolar transistors serving consumer, industrial, and automotive markets — a direct peer in the commodity-to-mid-range discrete space.
• Wolfspeed: Pure-play SiC power semiconductor company specializing in SiC MOSFETs, diodes, and modules for EV and renewable applications; directly comparable to WeEn's SiC portfolio, though vertically integrated in SiC wafer production.
• onsemi (ON Semiconductor): Power semiconductor specialist with a strong SiC franchise, IGBTs, and automotive-grade discretes serving EV, industrial, and renewable markets — a direct competitor to WeEn in mid- and high-voltage power.
• STMicroelectronics: Major power discrete and SiC manufacturer with MOSFETs, IGBTs, SiC devices, thyristors, and AECQ-qualified automotive products, directly comparable to WeEn's product breadth and end-market focus.
• ROHM Semiconductor: Japanese power semiconductor manufacturer with SiC MOSFETs/diodes, IGBTs, and discrete power products targeting automotive and industrial markets — closely overlapping with WeEn's product and customer mix.

Broad incumbents

• Microchip Technology: Diversified semiconductor company with a power discrete product line (MOSFETs, rectifiers, protection) serving industrial and automotive markets — broader portfolio but overlapping product categories with WeEn.
• NXP Semiconductors: WeEn was spun off from NXP's power semiconductor business in 2016; NXP remains a broad semiconductor incumbent with adjacent automotive and industrial portfolios and retains legacy IP/technology lineage with WeEn.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ween-semiconductor

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

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

M&A

Investments

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

Frequently asked questions about WeEn Semiconductors