1.General
1.1Application:This specification is applied to potentiometers used for electronic equipment.
1.2Standard atmospheric conditions：
Unless otherwise specified,the standard range of atmospheric conditions for making measurements and test is per the following limits:
Ambient temperature ：15℃ to 35℃
Relative humidity ：25% to 75%
Air pressure ：86 kpa to 106 kpa
1.3Operating temperature range ：-10℃ to +50℃
1.4Storage temperature range ：-15℃ to +70℃
1.5Suggested storage period ：About 6 months
2．Electronic Specification :
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|
Item |
Conditions |
Specifications |
|
2.1 |
Total resistance |
Measurement shall be made by the resistance between terminal 1 and 3 with lever settled at terminal 1 or 3. |
R1-4=10 KΩ
R1-3=14 KΩ |
|
2.2 |
Total resistance
tolerance |
|
±10% |
|
2.3 |
Resistance taper |
Measurement shall be made by the resistance law method.Measurement stall be made at the position of right diagram from the edge at the side of terminal 1.When based on terminal 3. from the edge at the side of terminal 3.
Out voltage between terminals1and2
--------------------------------------------------- X 100%
Applied voltage between terminals 1and 3 |
B-3T |
|
2.4 |
Residual Resistance |
|
50Ω |
|
2.5 |
Rate Power |
Power rating is based on continuous full load operation at the maximum voltage between 1 and 3. Power ratingvs .ambient temperature shall be denoted on the following graph.
|
0.5W |
2．Electronic Specification :
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|
Item |
Conditions |
Specifications |
|
2.6 |
Rated voltage |
Rated voltage E=√P.R (V)
P: power rating
R: nominal total resistance
When the rated voltage exceeds the maximum operating voltage, the maximum operating voltage shall be the rated voltage |
AC 200 V |
|
2.7 |
Rotational noise |
Dc 20V,when the rated voltage is 20v or less, its rated voltageShall be applied to the terminals between 1 and 3.And then the Procedures, refer to IEC 393-1-4.15 Traveling speed:20=/sec |
Less than 47mV |
|
2.8 |
Insulation resistance |
A voltage of 500VAC shall be applied for1min,after which measurement shall be made |
100 MΩor more |
|
2.9 |
Withstand voltage |
Trip curr ant:2mA Measuring frequency:50/60Hz
500V AC for 1min. |
Without damage to parts,
Arcing or breakdown etc |
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3. Mechanical Specification :
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|
Item |
Conditions |
Specifications |
|
3.1 |
Total rotation angle |
|
360° |
|
3.2 |
Rotation torque |
|
30∽200gf.cm |
|
3.3 |
Push-pull strength |
|
8kgf Max |
|
3.4 |
Rotation life |
|
500,000 Cycles Min |
■Dimensions尺寸图/P.C.B.mounting hole detail 线路板安装孔尺寸图
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