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Coreless DC Motor
 |
- Model：28SYK2125.A
- Connection：with terminals
- Brushes：precious metal brushes
- Bearings：sleeve bearing
- Datasheet：PDF File
Operating parameters（25C）
| Assigned power |
W
|
6.0 |
Max.efficiency |
%
|
86 |
|
| Nominal voltage |
Volt
|
12 |
Limits for continuous operating | Max.continuous current |
mA
|
544 |
| Terminal resistance±10% |
Ohm
|
1.67 |
mNm |
mNm
|
10.30 |
|
| No-Load speed±10% |
rpm
|
6,020 |
Nominal speed |
rpm
|
5,564 |
|
| No-Load current≤125% |
mA
|
40.0 |
Max.continuous power |
W
|
6.00 |
|
| Speed constant |
rpm/V
|
502 |
Mechanical time constant |
ms
|
5.2 |
|
| Torque constant |
mNm/A
|
18.94 |
Rotor inetia |
gcm2
|
11.2 |
|
| Starting current |
mA
|
7,186 |
Inductance |
mH
|
|
|
| Stall torque |
mNm
|
136.09 |
Weight |
g
|
124 |
|
Dimensions（mm）
Characteristic curve diagram
Note
| ● | Axial play (measured at 4N axial force) |
≤0.15mm |
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| ● | Max. sleeve bearing loads |
|
|
|
|
|
|
|
|
|
|
Axial (dynamic) |
|
|
|
|
|
|
1.7N |
|
|
|
Radial (4 mm from jamming ring) |
|
|
|
|
|
|
5.5N |
|
|
|
Force for press-fits (static) |
|
|
|
|
|
|
80N |
|
| ● | Max. radial play sleeve bearing |
|
|
|
|
|
|
0.02 mm |
|
| ● | Ambient temperature range |
|
|
|
|
|
|
-20～+65℃ |
|
| ● | Max. rotor temperature |
|
|
|
|
|
|
+85℃ |
|
| ● | Weight of motor |
|
|
|
|
|
|
124g |
|
| ● | Options:gearbox and ball bearings |
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