一、旋轉式電位器系列技術規格書
Rotary Series Potentiometers Technic Specifications
1.電氣性能 (Electrical Characteristic)
序号 项目 特性
1.1 全阻抗值 (Total Resistance) 500Ω~2MΩ
1.2 全阻抗值允许偏差(Total Resistance Tolerance) ±10%, ±20%
1.3 電阻隨溫度變化特性 (Resistance of temperature change character) 20℃-75℃:△R/R≤±5%, -25℃-20℃:△R/R≤±4.5%
1.4 阻值變化特性(Resistance Taper) A, B, C
1.5 零位阻值(Residual Resistance) R≥250KΩ 0.1%max.of total resistance 250KΩ>R>10KΩ 20Ω 10KΩ≥R 10Ω max.
1.6 額定功率(Rated Power) B taper 0.05W, Other taper 0.025W
1.7 *高使用電壓(Max.Operating Voltage) B taper 50V AC, Other taper 25V AC
1.8 動雜音(Rotational Noise) Less Than 100mV
1.9 絕缘阻抗(Insulation Resistance) 100MΩ Min.at 250V DC
1.10 耐電壓(WithStand Voltage) For 1 minute at:AC250V
1.11 同步誤差(Gang Error) -40dB~0dB≤±3dB
2.機械性能(Mechanical Characteristics)
2.1 全回轉角度(Rotation Angle) 300°±10°
2.2 旋轉力矩(Rotation Torque) 10~200gf.cm
2.3 軸的拉、押強度(Pull-Push Strength) 5Kgf
2.4 轉動止檔強度(Rotational Stop-End Torque) 4kgf.cm
2.5 焊錫耐熱性(Resistance To Soldering Heat) 260±5℃and less than 3 seconds
3.耐久性能 (Durabillity)
3.1 回轉壽命(Rotation Life) 10,000 Cycles min.