WH118S合成碳膜电位器封装直径PackageDiameter(mm)18形状Shape圆形Round转数NumberofTurns1密封型SealableIP40轴Shaft塑料Plastic电阻材料Element碳膜Carbon接线端Terminal接线片焊接SolderLug输出特性－线性Taper-LinearX线性度Linearity&plu***n;5%***小阻抗Resistance-Minimum470Ω***大阻抗Resistance-Maximum3M阻值误差Toleranceresistance&plu***n;20%额定功率Power-Rating（W）0.125旋转角度Angleofrotation250°旋转寿命（无负载）RotationalLife(noload)Cycles10000轴径SHAFTDIAMETER6mm)