精密线绕电位器7286/7276系列。该主要用于仪器、仪表、邮电通信、电力设备、铁道信号、航空、航天等领域。 电器特性Electrical Characteristics标称阻值范围(Standard Resistance Range)……………………………………………  100Ω—100KΩ阻值允许偏差(Resistance Tolerance)………………………………………………………±5％独立线性度(Independent Linearity)………………………………………………………±0.25％有效电行程(Effective Electrical Travel)…………………………………………………≥3600°－10°终端电阻(Terminal Resistance)…………………………………………………………≤0.2％R或5Ω转动噪声(Noise)…………………………………………………………………………≤3％R或3Ω绝缘电阻(Insulation Resistance)…………………………………………………………R1≥1GΩ耐电压(Winthstand Voltage)…………………………………………………101.3Pa 710V,8.5kPa 470V环境特性Envlonment Characteristics额定功率(最高工作电压315V)(Rated Power)……………………………………＋70℃,2W工作温度范围(Temperature Range)………………………………………………－55℃—＋125℃电阻温度系数(Temperature Coefficent)……………………………………±100ppm／℃温度变化(Temperature Variation)………………………△R≤±2％R，△(Uab／Uac)≤±1％碰撞(Vibration)……………………………390m／s2,4000次，△R≤±1％R振动(Collision)………………………10—500HZ,0.75mm或98m/s2,6h………………………………………………△R≤±1％R,△(Uab／Uac)≤±2％气候顺序(Climate Category)………………………………△R≤±3％R，R1≥100MΩ70℃电气耐久性(Electrical Endurance at 70℃)…………………………………2W,1000h,△R≤±3％R机械耐久性(Mechanical Endurance)………………………………10000圈(cycles),△R≤±3％R稳态湿热(Steadydamp-heat)………………………………△R≤±3％R，R1≥100MΩ物理特性Physical Characteristics总机械行程(Total Machanical Travel)……………………………………………3600°±10°起动力矩(Staring Torque)………………………………………………≤36mN·m止档力矩(Clutch Torque)………………………………………………≥300mN·m标准包装(Standard Packaging)………………………………10只/盒(pcs/box)