PT15mm电位器

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.

100KΩ

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.

  ± 20 %

4

额定功率

Rated power

电位器1～3端能连续承受之最大之功率Rated power is based on continuous full load operation at the maximum voltage between terminal R1 and  R3.

0.25W(50℃)

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

R≤10K  R0≤20Ω

10K<R<100K

R0≤30Ω

100K≤R总 

R0≤0.5%R

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.

3%R

7

有效电阻角度Electrical Rotation angle

电阻有效变化角度

Resistance effective changes in perspective

250°±20°

8

最高使用电压

Max operating voltage

电位器R1－R3端所承受的最大电压

Maximal voltage which sustained by terminal R1 and R3

250V  DC

1

旋转角度Total rotation angle

指轴置于1端最底部转往3端最底部之旋转角度The angle is measured by rotating shaft from the end of terminal R1 to the end of terminal R3.

 265°±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 specambient ial provision,rotational speed is 60°/s in temperature 5-35°C

0.5-2.5Ncm

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

>10Ncm

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

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

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 at 260℃±5℃ for 2±0.5 seconds, the soldering area should be more than 90%.