| 标称阻值 | B50K（Ω） | 阻值变化规律 | 直线式 |
| 材料 | 碳膜 | 调节方式 | 旋转式 |
| 滑动噪声 | 未满100mv（V） | 种类 | 贴片式 |
| | |
机械的性能(Mechanical characteristics)项目：ItemsRK090、R091系列RK111系列RK141、RK142系列全回转角度：Total rotational angle280° ± 10°300° ± 10°全回力矩：Rotational torque10～80gf.cm10~200gf.cm回转止动强度：Rotational stopper strength3Kgf.cm3Kgf.cm4Kgf.cm轴引强度：Push-pull strength5Kgf.cm轴摇晃度：Shaft wobble0.8×L/20mmP-Pmax0.7×L/20mmP-P max.(without bushing)0.7×L/30mmP-P max.(without bushing) 电器的性能(E electrical characteristics)全阻抗值：Total resistance1KΩ~500KΩ全阻抗值容许差：Total resistance tolerance±20%残留阻值：Residual resistanceR≤10KΩ 10Ω10K＜R＜250KΩ 20ΩR≥250K 0.1% total resistance抵抗变化特性：Resistance taperA,B,C,D,E,K,WA,B,C,D,E,K,WA,B,C,D,E,K,W M,N定格电力：Rating power0.05W高使用电压：Maximum operating voltage50V AC20V DC50V AC20VDC50V AC10V DC滑动杂音：Slider noise未满100mv（When Voltage rating＜20V，use the rated voltage）Less than100mv相互偏差：Gang error±3dB max. (-40~0VdB)绝缘抵抗：Insulation resistance100Mmin. at 250V AC耐电压：Voltage proof1 minute 250V AC回转寿命：Rotational life10,000 cycles
