Model(型號): ► Download PDF file ROTARY POTENTIOMETER---------R12721AB1 Features:(特點): Excellent operatonal feeling Applications(作用): Ideal for volume,tone and balance control of car audio equipment. Dimensions(規格圖 ): Specifications( 規格) Electrical Characteristics [ 電氣性能 ] Total resistance [ 全阻抗值 ] 500Ω~1MΩ Total resistance tolerance [ 全阻抗值容許差 ] ±20% Ratings power(w) [ 額定功率 ] Outer shaft 0.03W,Inner shaft 0.05W Restings taper[阻抗變化特性] Residual resistance [殘留阻值] A,B,*C 20KΩMax. Sliding noise [滑動雜音] 85mV Max. Withstanding voltage [耐電壓] 1 minute at AC 250V 100MΩ Min. at DC 500V. Insulation resistance [絕緣阻抗] Max. operating voltage [最高使用電壓] Gang error:[運動誤差] 30V -40dB~0dB at ±3dB Max. Mechanical Characteristics [ 机械性能 ] Operation torque [ 回轉力矩 ] 30~200gf . cm Rotation stopper strength [ 止動強度 ] 3.0Kgf . cm Min. Total rotational angle [回轉角度] Outer shaft 120±5° position of click[掣子位置] 150° ±5° Center decent force [掣子脫出力矩] Endurance Characteristics [ 耐久性能 ] 50~300gf.cm Rotational life [ 回轉壽命 ] More than10,000 cycles Http://www.productwell.com E-Mail: [email protected] Inner shaft 300±5° Tel: ( 852)2687 3208 Fax: ( 852)2687 3336