The MPP-680NR20/630 is a chip resistor manufactured by SR Passives. It is a surface mount, ultra-precision resistor with a very low noise design, which provides superior temperature stability compared to other resistors in its class. The 680NR20/630 has an operating temperature range of -55°C to +125°C, is available in several resistance values, and has an extremely low thermal resistance coefficient. It has an absolute tolerance of ±0.02%, a TCR of ±2 ppm/K, and a maximum power dissipation of 0.5 W. The resistance values of this part range from 0.005 to 1MOohms, and the package sizes of the 680NR20/630 are available in 0201, 0402, 0603, 0805, and 1206.