Ceramic capacitor is necessary to have a temperature that is greater than -55°C for stable operation.A substance's temperature coefficient of resistance is generally defined as how its electrical resistance changes with per degree change in temperature.A voltage of 6.3V can be used for operation.
C0805C185K9PAC7800 Features
with 15% ppm/°C being the highest temperature coefficient with the voltage - Rated DC of 6.3V
C0805C185K9PAC7800 Applications
There are a lot of KEMET C0805C185K9PAC7800 applications of ceramic capacitors.