‌EPCOS - TDK Electronics‌ is a company that develops, manufactures and sells electronic components, modules and systems. It is part of the TDK Group. EPCOS is a member of the TDK Group, which has more than 20 R&D and production sites, a total of about 25,000 employees worldwide, and a sales network throughout the world, especially outside Europe. Founded in 1935, the TDK Group's main businesses include the development, production and sale of passive electronic components, modules and systems, as well as magnetic application products and energy devices. The group's goal is to become a leading company in electronic components, with key market areas including information and communication technology, consumer, automotive and industrial electronics.

EPCOS was formerly known as Siemens Panasonic Co., Ltd., which was founded in Munich, Germany in 1989, combining Siemens' strengths in industrial electronics and Panasonic's strengths in consumer electronics. In 1999, the company was renamed EPCOS and became one of the world's largest manufacturers of electronic components. In 2008, EPCOS became a member of the TDK Group, and its products are widely used in the automotive, green energy, industrial, communication equipment and consumer electronics fields.