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Coreless DC Motor
 |
- Model：22SYK7140.S
- Connection：with terminals
- Brushes：graphite brushes
- Bearings：sleeve bearing
Operating parameters（25C）
| Assigned power |
W
|
10 |
Max.efficiency |
%
|
83 |
|
| Nominal voltage |
Volt
|
30 |
Limits for continuous operating | Max.continuous current |
mA
|
342 |
| Terminal resistance±10% |
Ohm
|
13.20 |
mNm |
mNm
|
11.70 |
|
| No-Load speed±10% |
rpm
|
8,350 |
Nominal speed |
rpm
|
7,093 |
|
| No-Load current≤125% |
mA
|
17 |
Max.continuous power |
W
|
8.65 |
|
| Speed constant |
rpm/V
|
278 |
Mechanical time constant |
ms
|
7.2 |
|
| Torque constant |
mNm/A
|
34.1 |
Rotor inetia |
gcm2
|
6.2 |
|
| Starting current |
mA
|
2,273 |
Inductance |
mH
|
|
|
| Stall torque |
mNm
|
77.4 |
Weight |
g
|
68 |
|
Dimensions（mm）
Characteristic curve diagram
Note
●Axial play (measured at 4N axial force)/轴向间隙 (沿轴向施加4N力时的间隙)≤0.15mm
●Max. sleeve bearing loads/滑动轴承最大载荷
Axial (dynamic)/轴向(动态)1.0NRadial (4 mm from jamming ring)/径向 (卡簧外4mm)2.7N
Force for press-fits (static)/最大允许安装力 (静态)80N
●Max. radial play sleeve bearing/滑动轴承最大径向间隙0.02 mm
●Ambient temperature range/环境温度范围
-20～+65℃●Max. rotor temperature/转子承受最高温度
+85℃●Weight of motor/电机重量
68g●输出90W对应的短时极限转速
●Options:gearbox and ball bearings/其它可选项：减速器，单出轴和双出轴