3540S-1-203L Wirewound Potentiometer; Series:3540/3541; Track Resistance:20kohm; Resistance Tolerance:+/- 5%; Power Rating:2W; Operating Temperature Range:+1 C to +125 C; Resistor Element Material:Wirewound; Temperature Coefficient:+/-50 ppm RoHS Compliant: Yes
3541H-1-203L Wirewound Potentiometer; Series:3540/3541; Track Resistance:20kohm; Resistance Tolerance:+/- 10%; Power Rating:2W; Operating Temperature Range:+1 C to +125 C; Resistor Element Material:Hybrid; Temperature Coefficient:+/-100 ppm RoHS Compliant: Yes