Manufacturer Part# 64W-500 Spectrol

Electrical
Effective Travel:28 turns nom
Resistance: 50 ohm
Resistance Tolerance:10%
Absolute Minimum Resistance:1% or 2
Temperature Coefficient: 100 ppm/C
Power Rating: 1/2 Watt @ 70C derated to 0 Watts @ 150C
Withstanding Voltage: 640VAC
Insulation Resistance: 1G@ 100VAC
Contact Resistance Variation:1% or 3

Mechanical
Starting Torque: 35 mN m
Rotation Life: 200 cycles min with max change of 4% in total
resistance
Resistance Element: Cermet

Environmental
Operating Temperature:−55C to +150C
Electrical Endurance: 1000 hours