WIMA has a long history in the field of passive electronic components. The company was founded in 1948 by Wilhelm Westermann at Unna, Westphalia. In just a few years, he has developed the company into one of the leading manufacturers of capacitor manufacturing. WIMA has four divisions in Germany: the sales and R & D center in Mannheim, and the three most modern manufacturing plants in Aurich, Berlin and Unna. The continuous pursuit of new technologies, WIMA has become the world's top quality film capacitors preferred brand.