Company Profile
ABOUT FORMOSA MICROSEMI
Company Profile
Founded in 1996, Formosa Microsemi Co., Ltd. has long been dedicated to the professional design, development, manufacturing, and innovation of semiconductor products, while providing customers with reliable quality assurance, testing, and product consultation services.
Formosa Microsemi Yilan Headquarters
FORMOSA MICROSEMI CO., LTD.
Semiconductor Expertise with Global Reach
Formosa Microsemi’s headquarters and manufacturing base in Taiwan are located in Yilan City, Yilan County. The company also maintains sales operations in China and across Asia, Europe, and the Americas to serve customers worldwide.

With “Professionalism, Quality, Speed, and Reasonable Value” as our service principles, we provide stable and competitive semiconductor products and solutions through integrated capabilities in design, manufacturing, quality management, and technical service.
Core Capabilities
From Design to Manufacturing, Quality and Innovation
R&D
Research & Design
Capabilities in wafer and finished-product design and development, with continuous investment in semiconductor products and process innovation.
MFG
Professional Manufacturing
Wafer and packaged product manufacturing capabilities that support stable quality and competitive product performance.
QA
Quality Management
Comprehensive quality assurance, product testing, and technical consultation services for customers.
IN
Technology Innovation
Continuous investment in technology and product innovation, supported by patent achievements in multiple countries.
Main Products
Switching Diodes, Fast Recovery Diodes, Zener Diodes, Schottky Diodes, TVS (Transient Voltage Suppressors), ESD Protection Devices, Bridge Rectifiers, MOSFETs, Transistors, and related wafer and packaged semiconductor products.
Product Applications
Automotive Electronics Aerospace Networking 5G Consumer Electronics AI Applications Mobile Devices Wearable Devices Display Panels Power Supplies
International Quality Management
Formosa Microsemi has obtained ISO 9001, ISO 14001, and IATF 16949 management system certifications. Automotive components are also subject to AEC-Q101 qualification procedures.
R&D and Patents
We continuously invest in research and innovation, with related achievements protected by patents in the United States, China, Japan, Taiwan, and other markets.
OUR BUSINESS PHILOSOPHY
Sustainable Business Philosophy
“Innovation & Speed, Diligence & Frugality, Creating Profit, Integrity & Passion, and Looking Ahead to the Future”
We also uphold the principles of “Quality First, Service Priority, Customer Satisfaction, and Continuous Improvement” to provide reliable products and services and establish long-term, mutually beneficial relationships with customers worldwide.
Formosa Microsemi Co., Ltd.
We remain committed to the power semiconductor and related component markets, with technology, quality, service, and innovation at the core of our development, and continue moving toward becoming a trusted partner in the global semiconductor supply chain.