电气特性(electrical characteristics)
标称阻值范围
(standard resistance range)……50ω~2mω
阻值允许偏差
(resistance tolerance) ……………±10%
终端电阻
(absolute minimum resistance)…≤1%r或10ω
接触电阻变化
(contact resistance variation)
…………………………………………crv≤3%或5ω
绝缘电阻
(insulation resistance)…r1≥1gω(100vac)
耐电压
(withstand voltage)……………………640vac
有效行程
(effective travel)……………22 turns nom
环境特性(environmental characteristics)
额定功率
(power rating)(315 volts max)
………………………………0.75w@70℃,0w@125℃
温度范围
(temperature range)………………-55℃~125℃
温度系数
(temperature coefficient)………±250ppm/℃
温度变化
(temperature variation)
………………………………-55℃,30min,+125℃
……………………………30min循环5次5cyccles
………………………△r≤5%r,△(uab/uac)≤5%
振动
(vibration)……………10~500hz,0.75mm,6h,
………………………△r≤2%r, △(uab/uac)≤3%
碰撞
(collision)……390m/s2,4000cycles,△r≤2%r
70℃耐久性
(electrical endurance at 70℃)
………………………………………… 0.75w@70℃
………………1000h, △r≤5%r,crv≤3% or 5ω
机械寿命
(rotational life)………200周(200cycles)
………………………△r≤10%r,crv≤3% or 5ω
物理特性(physical characteristics)
起动力矩
(starting torque)……………………≤35mn·m
标志
(marking)………阻值允许偏差(±10%不标注)
………阻值代码、产品型号resistance tolerance
…(when no identification, it is of±10%)
……………………………resistance code、model
标准包装
(standard packaging)
………………………25只/管(50pcs,per tube)
