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About WIMA

WIMA has a long tradition in the field of passive electronic components. It was founded by Wilhelm Westermann in Unna/Westphalia in 1948. Within only a few years he extended his company into one of the leading specialists in capacitor production. WIMA is a privately owned company and the president today is Dipl.-Ing. Dipl. Wi.-Ing. Wolfgang Westermann.


WIMA is located in Germany and has four sites there: The Sales Department and Central Lab are in Mannheim, most modern production facilities are situated in Aurich, Berlin and Unna.
Continual technical progress and expansion have made WIMA the first address for high-quality film capacitors worldwide.

WIMA Group is specialised in three global business areas:

  • Plastic film capacitors
  • Paper capacitors
  • Supercapacitors
WIMA’s strength lies in the design and production of customized products requiring experience and highly developed expertise. Solutions can therefore be offered to all customer needs.

Major customer groups are in automotive, consumer and industrial electronics and the lighting industry. Among others there are well-known and demanding customers like Bosch and Siemens with supply of worldwide facilities.


Having a strong focus on innovation WIMA has since the very first day set milestones in capacitor technology.



WIMA Product Highlights: