EPCOS began as a Siemens-led spin-off in 1999, when Siemens reorganized its passive-component and electron-tube operations into a separately listed company. It raised €767 million in its October public offering, while Siemens retained a minority stake. A decade later, TDK acquired EPCOS and combined it with TDK’s own passive-component business.
What was EPCOS spun off from Siemens?
EPCOS was formed from Siemens Matsushita Components, a Siemens–Matsushita joint venture established in 1989, together with additional Siemens passive-component and electron-tube activities. The reorganization into Epcos AG took effect on July 1, 1999, as part of Siemens’ portfolio-optimization program.
Siemens’ 1999 annual report lists EPCOS among the businesses removed from the group under that program. The move gave the combined business its own corporate identity and public shareholders rather than keeping it inside Siemens.
When did EPCOS go public, and how much did Siemens raise?
EPCOS shares were listed on the Frankfurt and New York stock exchanges on October 15, 1999. Siemens AG’s 2002 filing reports that the October 1999 public offering raised €767 million. Siemens’ 2000 annual report says it retained 12.5% plus one share after the offering.
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At the time of the listing, EE Times described EPCOS as Europe’s biggest passive electronic-component manufacturer and reported about 9,000 employees operating across four continents. On the first trading day, EPCOS president and chief executive Klaus Ziegler said, “Epcos is very excited about the high level of investor interest in its IPO.”
Who owns EPCOS now?
TDK acquired EPCOS in 2009. TDK’s acquisition plan described combining EPCOS with TDK’s own passive-component businesses, shifting EPCOS from Siemens’ partly retained spin-off to part of a larger passive-components specialist.
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| Stage | Corporate control | Strategic context |
|---|---|---|
| 1999 listing | Siemens retained 12.5% plus one share, according to its 2000 annual report. | Siemens’ portfolio optimization separated the business; shares listed in Frankfurt and New York. |
| From TDK’s 2009 acquisition | TDK acquired EPCOS. | TDK’s plan combined EPCOS with TDK’s passive-component operations. |
What products did EPCOS make?
EPCOS’s documented product heritage includes aluminum electrolytic and film capacitors. It was also part of the broader passive-component business assembled from Siemens’ operations. The company’s historical product record does not by itself establish which EPCOS-branded parts remain available today; current availability and specifications should be checked against TDK’s product information or an authorized distributor.
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