BS E9111 N002:1975

Standard selection tolerances ≠5%, ≠2%, ≠1%; environmental classification 55/125/56; temperature characteristics of resistance ≠1.0%, ≠2.5% for 5 ohms and less than 10 ohms and ≠0.50% and ≠1.25% for 10 ohms and above; rated dissipations 0.125 W, 0.25 W, 0.5 W, 1 W and 2 W; stability 3%.