Specifications
Information: Drawings are not to scale.
| Values at nominal voltage |
| Nominal voltage |
4.5 V |
| No load speed |
11200 rpm |
| No load current |
13.9 mA |
| Nominal speed |
2950 rpm |
| Nominal torque (max. continuous torque) |
0.771 mNm |
| Nominal current (max. continuous current) |
0.222 A |
| Stall torque |
1.09 mNm |
| Stall current |
0.297 A |
| Max. efficiency |
62 % |
| Characteristics |
| Terminal resistance |
15.2 Ω |
| Terminal inductance |
0.136 mH |
| Torque constant |
3.67 mNm/A |
| Speed constant |
2600 rpm/V |
| Speed / torque gradient |
10700 rpm/mNm |
| Mechanical time constant |
7.9 ms |
| Rotor inertia |
0.0706 gcm² |
| Thermal data |
| Thermal resistance housing-ambient |
45.5 K/W |
| Thermal resistance winding-housing |
19.5 K/W |
| Thermal time constant winding |
3.16 s |
| Thermal time constant motor |
108 s |
| Ambient temperature |
-20...+65 °C |
| Max. winding temperature |
+85 °C |
| Mechanical data |
| Bearing type |
sleeve bearing |
| Max. speed |
14000 rpm |
| Axial play |
0.05 - 0.15 mm |
| Radial play |
0.012 mm |
| Max. axial load (dynamic) |
0.15 N |
| Max. force for press fits (static) |
15 N |
| Max. radial load |
0.4 N, 4 mm from flange |
| Other specifications |
| Number of pole pairs |
1 |
| Number of commutator segments |
7 |
| Number of autoclave cycles |
0 |
| Product |
| Weight |
7 g |
| | | Continuous operation range
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| | | Short term operation range
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Description
maxon DC motors are high-quality motors fitted with powerful permanent magnets. The “heart” of the motor is the worldwide patented ironless rotor. For you, this means cutting-edge technology in compact, powerful and low inertia drives.
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