
Voltronics / Knowles
Voltronics Corporation, a Knowles Precision Devices product brand, is a world leader in the design and manufacture of multi-turn and half-turn trimmer capacitors. Voltronics' trimmers include air, glass, sapphire, and PTFE dielectrics that can be used from 1 MHz to over 2 GHz and at voltages up to 20,000 VDC.