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深圳市科辉德电子科技有限公司
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产品分类
友情链接
产品信息
电气性能Electrical specifications
|
1 |
总阻值 Total Resistance |
电位器1～3端全部电阻值。 Measurement shall be made by the resistance between terminal R1and R3. |
20K |
|
2 |
阻值线性 Resistance taper |
电阻值变化规律 Resistance changes |
直线 B （line） |
|
3 |
总阻值允许差Total Resistance toleranc |
电位器1～3端总阻值之公差。 Measurement shall be made by the resistance tolerance between terminal R1 and R3. |
± 10 % |
|
4 |
额定功率 Rated power |
电位器1～3端能连续承受之之功率Rated power is based on continuous full load operation at the maximum voltage between terminal R1 and R3. |
0.15W(50℃)
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5 |
残留电阻Residual resistance |
电位器1～2端（将轴心旋转至1端底部测）及2～3端（将轴心旋转至3底部测）残留Test residual resistance beteen terminal R1 andR2;terminal R2 andR3 |
≤0.1%R
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6 |
转动噪声 rotation of noise |
轴心从电位器1端以30转/分匀速旋转至 3端时电位器所呈现之杂音情况 The murmur will appear when shaft turn from terminal 1 to terminal 3 by 30 rounds/minute equably speed. |
≤47mV |
|
7 |
有效电阻角度Electrical Rotation angle |
电阻有效变化角度 Resistance effective changes in perspective |
220°±20° |
|
8 |
使用电压 Max operating voltage |
电位器R1－R3端所承受的电压 Maximal voltage which sustained by terminal R1 and R3 |
200V DC |
Ｂ。机械性能Mechanical specifications
|
1 |
旋转角度Total rotation angle |
指轴置于1端部转往3端部之旋转角度The angle is measured by rotating shaft from the end of terminal R1 to the end of terminal R3. |
235°±10° |
|
2 |
回转力矩Rotation torque |
指轴在周围温度5°C～35°C以每秒钟60°匀速转动所需之力矩 Rotational torque when turn the shaft :without special provision,rotational speed is 60°/s in ambient temperature 5-35°C |
0.4-1.2Ncm |
|
3 |
止档强度Stop torque |
轴从1端转至止档点或从3端转至止档点10秒后直至破坏之力量 The force that shaft transfer from terminal 1 to stop point or terminal 3 to stop point after 10 seconds until be break |
>5Ncm |
Ｃ。其它 Other
|
1 |
使用寿命Rotation life |
经过10，000旋转测试后，总阻变化不超过±（15%R+0.5Ω)转动噪声不大于100mv After 10,000 rotation after the test, the changes impacted no more than ± (15% R +0.5 Ω) rotational noise of not more than 100 mv |
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2 |
端子强度 Terminal strength |
经过焊接（350℃，3,5秒）后端子不得有接触不良或松动现象 After welding (350 ℃, 3,5 seconds) after the termination of terminal contacts should be good, no loosening of |
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3 |
可焊性Soldering ability |
260℃ ±5℃，持续时间2S ±0.5S，焊锡覆盖面积大于90%以上。 Dip the terminals into tin tank at260℃±5℃for 2±0.5 seconds, the soldering area should be more than 90%. |
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