Description
1 | Voltage | V | 7.4 | 12.0 | 3.7 |
2 | Terminal resistance | Ω | 1.4 | 6.05 | 6.2 |
3 | No-load speed | rpm | 38200 | 31000 | 8500 |
4 | No-load current | A | 0.30 | 0.12 | 0.07 |
5 | Stall torque | mNm | 8.7 | 6.40 | 1.90 |
6 | Stall current | A | 5.3 | 2.0 | 1.0 |
7 | Nominal torque | mNm | 1.7 | 2.0 | 0.6 |
8 | Nominal speed | rpm | 30750 | 21500 | 6077 |
9 | Nominal current | A | 1.27 | 0.7 | 0.23 |
10 | Max. output power | W | 8.7 | 5.2 | 0.43 |
11 | Max. efficiency | % | 57 | 56.0 | 43 |
12 | Back-EMF constant | mV/rpm | 0.18 | 0.36 | 0.38 |
13 | Torque constant | mNm/A | 1.75 | 3.47 | 3.66 |
14 | KV Value | rpm/V | 5160 | 2580 | 2290 |
15 | Speed/torque gradient | rpm/mNm | 4390 | 4843 | 4473 |
16 | Rotor inertia | gcm² | 0.06 | 0.06 | 0.06 |
17 | Weight | g | 8.3 | 8.3 | 8.3 |
18 | Thermal resistance (Housing-Ambient) | K/W | – | 44 | – |
19 | Thermal resistance (Winding-Housing) | K/W | – | 10 | – |
20 | Thermal time constant (Motor) | s | – | 124 | – |
21 | Thermal time constant (Winding) | s | – | 119 | – |
22 | Operating temperature range | °C | – | -40~+100 | – |
23 | Thermal class of winding | °C | – | 155 | – |
24 | Axial play | mm | – | 0.05 | – |
25 | Radial play | mm | – | 0.0125 | – |
26 | Axial load dynamic | N | – | 1 | – |
27 | Axial load static | N | – | 25 | – |
28 | Radial load (3mm from mounting face) | N | – | 6.3 | – |
29 | No. of pole pairs | – | – | 1 | – |
30 | Bearings | – | – | 2 ball bearings | – |
31 | Commutation | – | – | Hall Sensor | – |
32 | Protection class | – | – | IP 20 | – |
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