深圳市科辉德电子科技有限公司

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

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.