Specifications
Information: Drawings are not to scale.
| Values at nominal voltage |
| Nominal voltage |
12 V |
| No load speed |
8150 rpm |
| No load current |
115 mA |
| Nominal speed |
4720 rpm |
| Nominal torque (max. continuous torque) |
20 mNm |
| Nominal current (max. continuous current) |
1.37 A |
| Stall torque |
66.5 mNm |
| Stall current |
4.92 A |
| Max. efficiency |
72 % |
| Characteristics |
| Terminal resistance |
2.44 Ω |
| Terminal inductance |
0.541 mH |
| Torque constant |
13.5 mNm/A |
| Speed constant |
706 rpm/V |
| Speed / torque gradient |
128 rpm/mNm |
| Mechanical time constant |
69.8 ms |
| Rotor inertia |
52.3 gcm² |
| Thermal data |
| Thermal resistance housing-ambient |
6.64 K/W |
| Thermal resistance winding-housing |
5.57 K/W |
| Thermal time constant winding |
6.11 s |
| Thermal time constant motor |
189 s |
| Ambient temperature |
-40...+100 °C |
| Max. winding temperature |
+125 °C |
| Mechanical data |
| Bearing type |
ball bearings |
| Max. speed |
10000 rpm |
| Axial play |
0 mm, at radial load < 5 N |
|
0.6 mm, at radial load > 5 N |
| Max. axial load (dynamic) |
4.8 N |
| Max. force for press fits (static) |
45 N |
| (static, shaft supported) |
1000 N |
| Max. radial load |
12.5 N, 15 mm from flange |
| Other specifications |
| Number of pole pairs |
8 |
| Number of phases |
3 |
| Number of autoclave cycles |
0 |
| Product |
| Weight |
57 g |
Description
Thanks to their flat design, the brushless EC flat motors are exactly the right drive for many applications. The well-conceived, simple engineering allows mainly automated production which results in a favorable price.
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