The WATF-21-AT-100R0F-NT3 from Epak Electronics is a Space Qualified Resistor with Resistance 1 Ohms to 80 KOhms, Power Rating 50 to 400 mW, Tolerance ±0.01%, ±0.05%, ±0.1%, ±0.5%, ±1%, ±2%, ±5%, ±10%, Operating Temperature -55 to 150 Degree C. Tags: Surface Mount. More details for WATF-21-AT-100R0F-NT3 can be seen below.