TRONSER today and tomorrow

For more than 60 years ALFRED TRONSER GmbH  has specialized in the design and manufacture of Air Variable Capacitors for professional electronics.

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 prefered partner of all major electronics companies around the world when it comes to Trimmer Capacitors.


In the last years we have extended our product range to custom Turned and Milled Components and completely assembled systems.

The factory near Stuttgart, Germany employs about 100 people. Since nearly all production of components is done in-house much emphasis can be put on Quality Control, starting with incoming inspection of raw materials, statistical process control during production to a 100 % final inspection of each capacitor manufactured.     
Order processing as well as production planning is controlled by the latest computer equipment. As a small family-owned and -managed company TRONSER serves customers in more than 50 countries with high quality Trimmer Capacitors, reasonable pricing, short deliveries and good service.