Are non-inductively wound with metallized polyester film as the dielectric/electrode with copper-clad steel leads and encapsulated in a plastic case sealed with epoxy resin (UL94/V-0). *Box type provides the identical appearance; *Very low loss high frequency, suitable for high current; *High insulation resistance, long life due to self-healing effect; *Withstanding 2.5KV impulse voltage, Class X2; *As an access the line type noise suppression capacitor, and suitable for AC purpose