电特性
标称阻值范围Range of nominal resistance: 11.7KΩ
阻值允许偏差Resistance tolerance: ±5%
终端电阻Terminal resistance: ≤0.25%R 或2Ω
峰值噪声Peak Noise: ≤100Ω
介质耐压Dielectric withstand voltage 正常大气压:800Vac,低气压:350 Vac
有效电行程:electrical travel 140°
机械行程(无止档): 360°
环境特性 Environment Characteristics
额定功率Rated power (300V max): 1W @ 70℃
电阻体极限电压:300V
动触点极限电流:50mA
温度范围Temperature range -55℃~+125℃
温度系数TCR:±100×10-6/℃
机械耐久性 Life Expectancy:5000周 △R≤±(2%R+0.1) ENR≤500Ω
负荷耐磨寿命Life Expectancy at high temperature: 5000周,
温度冲击Thermal shock -65℃~+125℃,5 times,ΔR≤±(1%R+0.1),△(Uab/Uac)≤±1%
耐湿Moisture proof :ΔR≤±(2%R+0.1) 绝缘电阻≥1MΩ ENR≤500Ω
高频振动High frequency vibration ΔR≤±(0.5%R+0.05) △(Uab/Uac)≤±1%
冲击Shock: ΔR≤±(0.5%R+0.05) △(Uab/Uac)≤±5% 不允许有大于0.1ms的电气间断
高温寿命Life at high temperature 70℃, 1000h,ΔR≤±(2%R+0.1) ENR≤500Ω,绝缘电阻≥1GΩ
物理特性
起动力矩Starting torque: ≤5mN.m
标志Mark: 商标Trade mark, 型号type,阻值resistance,线路
WR1800国标及军品电位器