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For more than 70 years TRONSER stands for the highest quality variable capacitors in the world.

Today TRONSER offers the widest range of High-Q Trimmer Capacitors in the world. This experience combined with fully equipped research, development and testing facilities up to 26 GHz, CAD for the mechanical design of components and production machinery, in-house parts production on CNC-machines, plating, tool shop, injection molding machines have made us the preferred partner of all major electronics companies around the world when it comes to variable capacitors.

Located in Southern Germany, near Stuttgart, we have a highly skilled team of experts manufacturing your variable capacitors with the highest precision Made in Germany. Decades of experience and close relationships with our partners ensure that our products will be the best choice for your professional application. Our experienced engineering team and the flexibility of our production give you the opportunity to customize any of our products to your application at little to no extra cost. An offer that is not available anywhere else in the world.
Order processing as well as production planning is controlled by the latest ERP system and IT-infrastructure in order to streamline our production processes. As a third-generation family-owned and -managed company TRONSER serves customers in more than 50 countries with high quality Trimmer Capacitors, aggressive pricing, shortest deliveries in the market and exceptional service.


Many things have changed at TRONSER since the company was founded. But one thing has always remained the same: Our commitment to quality, which is alive and well with each of our employees. [...]

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From the very beginning, electronics demanded ever more powerful and smaller components. TRONSER recognized this development at an early stage, helped to determine it and implemented it in mature solutions.

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