Specifications
Information: Drawings are not to scale.
| Values at nominal voltage |
| Nominal voltage |
7.2 V |
| No load speed |
12300 rpm |
| No load current |
73.7 mA |
| Nominal speed |
7010 rpm |
| Nominal torque (max. continuous torque) |
1.26 mNm |
| Nominal current (max. continuous current) |
0.316 A |
| Stall torque |
3.16 mNm |
| Stall current |
0.639 A |
| Max. efficiency |
44 % |
| Characteristics |
| Terminal resistance |
11.3 Ω |
| Terminal inductance |
0.243 mH |
| Torque constant |
4.95 mNm/A |
| Speed constant |
1930 rpm/V |
| Speed / torque gradient |
4390 rpm/mNm |
| Mechanical time constant |
14.2 ms |
| Rotor inertia |
0.308 gcm² |
| Thermal data |
| Thermal resistance housing-ambient |
46 K/W |
| Thermal resistance winding-housing |
14 K/W |
| Thermal time constant winding |
5.18 s |
| Thermal time constant motor |
231 s |
| Ambient temperature |
-20...+85 °C |
| Max. winding temperature |
+125 °C |
| Mechanical data |
| Bearing type |
sleeve bearing |
| Max. speed |
16000 rpm |
| Axial play |
0.05 - 0.15 mm |
| Radial play |
0.014 mm |
| Max. axial load (dynamic) |
0.8 N |
| Max. force for press fits (static) |
15 N |
| (static, shaft supported) |
0 N |
| Max. radial load |
1.4 N, 5 mm from flange |
| Other specifications |
| Number of pole pairs |
1 |
| Number of commutator segments |
7 |
| Number of autoclave cycles |
0 |
| Product |
| Weight |
15 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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