10mm circle type of rotary potentiometer

10mmrotary potentiometer circle type rotary potentiometer digital potentiometer Purpose: Use for control the volume and soud quality of CD,MD,portable soud and so on. Control the earphone volume. Electrical specifications 1. Total Resistance range:500Ω-1MΩ 2, Tolerance of resistance:±20% 3, Resistance taper:A,B,C,D 4. Max opertating voltage: AC 50V,DC 12V 5. Rated power :0.05W6. Rotational noise:Less than 100mV 7. Insulation resistance:More than 100MΩat DC 100V 8. Withsatanding voltage:1 minute at AC 100V 9. Residue resistance:Term.1 2: Less than 20Ω Term.2 3: Less than 20Ω 10. Tracking error:-40dB 0dB±3dB Mechanical specifications 1. Total rotational angle:270±5(degree) 2. Operating force:10 150 gf.cm 3. Shaft stopper strength:0.8Kgf.cm Min 4. Push-pull strength:0.5Kgf Min Pull:0.2kgf Min5.Viabilty performance: 6. Rotation life:10000 Cycles