Voltronics Corporation is the world's leader in the design and manufacture of precision trimmer capacitors. Our engineering team works closely with customers to develop leading-edge technologies to solve all of their tuning needs for variable 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.