Safety Ceramic Disc Capacitors by Vishay Cera-Mite. AC Line Rated Type. Class X1 - 400VAC , Y2 - 250VAC. Y5U Dielectric. Rated capacitance: 3 nF ( 0.003 uF ). Tolerance of 20%. Disc diameter: 10mm. Lead Spacing: 6.4mm .Rated temperature from -30C to 125C. 30LVS Series