The size/dimension of the program on this device is 0.177Lx0.079W 4.50mmx2.00mm.In general, the temperature coefficient of resistance is defined as the change in electrical resistance of a substance per degree of temperature change.
1808J1K20181MXT Features
a size/dimension of 0.177Lx0.079W 4.50mmx2.00mm with X7R 2R1 being the highest temperature coefficient
1808J1K20181MXT Applications
There are a lot of Knowles Syfer 1808J1K20181MXT applications of ceramic capacitors.