VY1 AC Line Rated Disc Capacitors Vishay / BC Components VY1 AC Line Rated Disc Capacitors offer a capacitance range of 10pF - 4700pF and capacitance tolerance of ±10% - ±20%. VY1 AC Line Rated Disc Capacitors consist of a ceramic disc, both sides of which are silver-plated and and are RoHS compliant and in accordance to WEEE 2002/96/EC. Connection leads are made of tinned copper having a diameter of 0.6mm. Applications for the Vishay / BC Components VY1 AC Line Rated Disc Capacitors are across-the-line, line by-pass, and antenna coupling.