Profile: Voltronics Corp. deals with the design and manufacture of precision trimmer capacitors. Our trimmers include air, glass, sapphire and PTFE dielectrics that can be used from 1 MHz to over 2 GHz, & at voltages up to 20,000 VDC. We also offer a complete line of non-magnetic components. The A 1 series multi-turn trimmers have features such as maximum capacitance of 12 pF, and maximum self-resonant frequency of 2.3 GHz.