EPCOS (Eppco) is the world's leading manufacturer of passive electronic components. Its headquarters is located in Munich, Germany. It was formerly known as Siemens-Panasonic Co., Ltd., established through a joint venture between Siemens and Panasonic in 1989. In 2009, it merged with the TDK Components Division. Currently, it is managed by TDK-EPC Company. Its products include capacitors, inductors, surface acoustic wave components (SAW), ferrites, etc., and are widely used in the fields of communication, automotive electronics, industrial and consumer electronics. 

Business Scope and Market Position

Core Products:

Capacitors (the world's largest producer of power capacitors)

Surface Acoustic Wave Components (SAW filters, used in 5G communication)

Inductors and Ferrites (key components for automotive electronics).

Market Coverage:

20+ R&D production bases worldwide, with a Chinese market share accounting for 14% of its global sales (data as of 2025).

Customers include multinational enterprises such as Nokia, Qualcomm, and Bosch.

Technical Influence

Innovation Direction: Focus on high-frequency and high-reliability components, such as 5G communication SAW components and automotive-grade capacitors.

Industry Position:

Among the top three in the global passive components market, along with Murata and TDK, they are regarded as industry giants.

In the automotive electronics field, their EPS (Electric Power Steering) related components are widely adopted.

China Layout 

Production base: Wuxi (surface acoustic wave components), Zhuhai (inductors), Xiaogan (gas discharge tubes). 

Sales network: Covers cities such as Shanghai, Beijing and Shenzhen, with over 4,100 employees. 

EPCOS' core competitiveness lies in its high reliability and technological innovation, and it continuously promotes the miniaturization and efficiency improvement of electronic components.