Wima mp3 y2 series metallised paper rfi capacitors 20 class y2 wima mpy20w2220fe00ms a 22nf 250v ac 20 y2 capacitor that has a metallised paper dielectric and is designed for interference suppression applications the capacitors exhibits excellent attenuation properties and has a low esr giving it a particularly high degree of protection against active and passive ignition wima mpy20w2220fe00ms 0022f 20 250 vac metallized paper capacitor y2 class