WDJ22精密导电塑料电位器

电气参数  electrical

阻值范围  resistance range1kΩ-1mΩ

阻值误差  resistancetolerance ±5%precision、±10% standard

残留阻抗  end resistance<3Ω

阻值变化规律  resistancetaper b(jis 直线jis linear)

线性精度  independentlinearity ±3%

额定功率  power rating1w(70℃)0w(120℃)

接触电阻变化  peak noise(c.r.v.) <2%rn

耐电压  dielectricstrength 1000v 1minute

有效电气行程  adjustmenttravel 340°

绝缘电阻  insulationresistance 10m

分辨率resolution 无限大essentially infinite

大工作电压maximum input voltage200vdc

环境参数environmental

存储温度storage temperaturerange -60℃～+125℃

使用温度operating temperaturerange -60℃～+125℃

温度系数temperature coefficient500ppm/℃

电气耐久性load life70℃ 1，000h Δr/r≤±10%

旋转寿命rotational life1，000，000 次Δr/r≤±7%

ip 防护等级ip range ip30

耐焊接热soldering heatresistance (350℃3s)Δr/r≤±2%

热循环temperature cycle(-25℃、+85℃ 30min/each、5 cycles) Δr/r≤±10%

振动vibration 10-55hz, 1.5mm振幅amplitude, 3 方向directions Δr/r≤±5%

机械参数mechanical

尺寸size 见附图see drawing

机械行程mechanical travel360°

旋转力矩shaft torque5～50gf·cm

止挡力矩stop strength……

锁紧力矩mounting nut tor·cm

轴跳动shaft runout 0.15mm

轴端间隙shaft end play(出轴长度shaft length 30mm)0.15mm

径向间隙shaft radial play0.15mm

轴的推力shaft strength (push)125 n (12.75 kgf ) min.

轴的拉力shaft strength(tensile) 125 n (12.75 kgf ) min.

标记marking ……

配件hardware. 平瓦、锁紧垫片、螺母washer、lockwasher、nut