Description
1 | Voltage | V | 7.4 | 6.0 | – |
2 | Terminal resistance | Ω | 0.45 | 0.31 | – |
3 | No-load speed | rpm | 35000 | 35000 | – |
4 | No-load current | A | 0.4 | 0.5 | – |
5 | Stall torque | mNm | 31.6 | 30 | – |
6 | Stall current | A | 16.4 | 19.4 | – |
7 | Nominal torque | mNm | 4.0 | 4.0 | – |
8 | Nominal speed | rpm | 25100 | 25000 | – |
9 | Nominal current | A | 2.1 | 2.6 | – |
10 | Max. output power | W | 29 | 28 | – |
11 | Max. efficiency | % | 71.2 | 70.4 | – |
12 | Back-EMF constant | mV/rpm | 0.21 | 0.17 | – |
13 | Torque constant | mNm/A | 1.97 | 1.60 | – |
14 | KV Value | rpm/V | 4730 | 5833 | – |
15 | Speed/torque gradient | rpm/mNm | 1107 | 1164 | – |
16 | Rotor inertia | gcm² | 1.1 | 1.1 | – |
17 | Weight | g | 5.8 | 5.8 | – |
18 | Thermal resistance housing-ambient | K/W | – | 10 | – |
19 | Thermal resistance winding-housing | K/W | – | 8.7 | – |
20 | Thermal time constant motor | s | – | 110 | – |
21 | Thermal time constant winding | s | – | 71 | – |
22 | Operating temperature range | °C | – | -40~+120 | – |
23 | Thermal class of winding | °C | – | 180 | – |
24 | Axial play | mm | – | 0.012 | – |
25 | Radial play | mm | – | 0.008 | – |
26 | Axial load dynamic | N | – | 1 | – |
27 | Axial load static | N | – | 25 | – |
28 | Radial load at 3 mm from mounting face | N | – | 6.3 | – |
29 | No. of pole pairs | – | 6 | – | |
30 | Bearings | – | 2 ball bearings | – | |
31 | Commutation | – | Sensorless | – | |
32 | Protection class | – | IP 20 | – |
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