Knowles Voltronics -Voltronics Corporation is a global leader in the design and manufacture of precision trimmer capacitors. Our engineering team works closely with our customers to develop state-of-the-art technology to address the fine-tuning needs of all variable capacitors. Voltronics trimmer potentiometers include air, glass, sapphire and PTFE dielectrics and can be used from 1 MHz to over 2 GHz and up to 20,000 V DC .
Voltronics also offers a full line of non-magnetic components for the MRI and NMR industries, including trimmer capacitors, chip capacitors, coils, baluns, diodes and connectors. Voltronics specializes in providing quality service to engineers with all the non-magnetic coils that designers need.

On February 28, 2014, Dover Corporation divested its communications division, incorporating Dielectric Laboratories, Syfer, Novacap and Voltronics into Knowles Corporation. All product information on this website is now owned by Knowles Corporation.