主要技术指标Characteristics电器特性 Electrical Characteristics标称阻值范围(Standard Resistance Range)……………………………………………10Ω—2MΩ阻值允许偏差(Resistance Tolerance)………………………………………………±10％终端电阻(Terminal Resistance)…………………………………………≤2Ω接触电阻变化(Contact Resistance Variation)……………………………………………≤3％R或3Ω绝缘电阻(Insulation Resistance)……………………………………………R1≥1GΩ耐电压(Winthstand Voltage)……………………………………………101.3Pa 600V,8.5kPa 350V有效电行程(Effective Electrical Travel)………………………………22±2圈(cycles)环境特性 Envlonment Characteristics额定功率(最高工作电压315V)(Rated Power)……………………………＋70℃ 0.75W，＋125℃ OW工作温度范围(Temperature Range)………………………………………－55℃—＋125℃电阻温度系数(Temperature Coefficent)……………………………±250，±100ppm／℃温度变化(Temperature Variation)………………△R≤±1％R，△(Uab／Uac)≤±1％碰撞(Vibration)……………………390m／s2，4000次振动(Collision)………………10—500HZ,0.75mm,或98m／s2,6h气候顺序(Climate Category)………………………△R<±3％R，R1≥100MΩ70℃电气耐久性(Electrical Endurance at 70℃)…………………………0.75W,1000h,△R≤±10％R机械耐久性(Mechanical Endurance)………………………22±2圈(cycles),△R≤±10％R稳态湿热(Steadydamp-heat)………………………△R<±3％R，R1≥100MΩ物理特性 Physical Characteristics起动力矩(Staring Torque)………………………………………30mN·m标准包装(Standard Packaging)………………………………………50只/管(pcs/tube