For this device, the size/dimension of the program is 0.126Lx0.098W 3.20mmx2.50mm.As a general rule, temperature coefficient of resistance is simply the change in electrical resistance of a substance per degree change in temperature, and its value is X7R 2R1.
1210J1K50471MXT Features
a size/dimension of 0.126Lx0.098W 3.20mmx2.50mm with X7R 2R1 being the highest temperature coefficient
1210J1K50471MXT Applications
There are a lot of Knowles Syfer 1210J1K50471MXT applications of ceramic capacitors.