AY2 Series AC Rated Safety Capacitors

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Vishay AY2 Series AC Rated Safety Capacitors are AEC-Q200 qualified and designed to provide high reliability for Class X1 (440VAC) and Y2 (300VAC) automotive applications in accordance with IEC 60384-14.3, 3rd edition. Featuring U2J, Y5S, and Y5U ceramic dielectrics, the AY2 series is optimized for on-board chargers and battery management in electric cars and plug-in hybrid electric vehicles (PHEV), in addition to high-reliability industrial applications. The capacitors offer a capacitance range from 10pF to 4700pF — with tolerances down to ±10% — over a temperature range of -55°C to +125°C.


  • AEC-Q200 qualified
  • Temperature cycle: 1000 cycles (-55 °C to +125 °C)
  • Complies with IEC 60384-14, 3rd edition
  • High reliability
  • Straight leads
  • Single layer AC Disc capacitors


  • X1, Y2 according to IEC 60384-14.3
  • Application as Y capacitors for AC line filter and primary-secondary coupling on battery chargers for PHEV/EV
  • Application as a filter capacitors on DC/DC converters for PHEV/EV and HEV