PME271E547MR30 Capacitor 47nF 300V ac ±20% Tolerance PME271E. The PME271Y Series is a self-healing multi-layering metallised paper class Y suppression capacitors. Constructed using epoxy impregnated metallised paper and encased in epoxy resin. This ensures active and passive flame retardant properties combined with excellent stability and reliability especially in applications which require continuous operation. Typical applications include worldwide use as electromagnetic interference suppressor in all Y2 applications, line-to-earth.