Description: Brush material component: copper. Resistance sheet material component: electrical board. In the foot material component: iron material, the surface of tin treatment. Corn material component: iron material, tin surface light treatment. Foot material component: iron material, surface of tin light treatment. Specification: Plastic cover material component: plastic POM, color is white Plastic box material component: PBT plastic, the color is blue Rotation angle: 200 ° ± 20 ° Torque of rotation: 60 ~ 150g. cm Stopping force:> 500g. cm Mechanical strength: film resistance can withstand 1 kg pressure does not break Resistance range (Ohms): 100 ~ 2M Resistance deviation: ± 20% Resistance change characteristics: B Maximum use voltage: 50 V Nominal: 0.1 W Residual resistance: not more than 5% of the nominal resistance, the maximum not to exceed 30Ω Rotational life: non-rotating load after 100 turns, the maximum resistance change of ± 15% Charging life: rated power load 3 hours, the maximum resistance change of ± 5% Package Includes: 100 Pieces Potentiometer