Description
1 | Voltage | V | 3.7 | 5.0 | 3.7 |
2 | Terminal resistance | Ω | 36.5 | 11.8 | 3.1 |
3 | No-load speed | rpm | 8100 | 20000 | 32300 |
4 | No-load current | A | 0.02 | 0.05 | 0.1 |
5 | Stall torque | mNm | 0.32 | 0.79 | 1.1 |
6 | Stall current | A | 0.1 | 0.42 | 1.2 |
7 | Nominal torque | mNm | 0.1 | 0.2 | 0.2 |
8 | Nominal speed | rpm | 6800 | 16100 | 27800 |
9 | Nominal current | A | 0.03 | 0.13 | 0.26 |
10 | Max. output power | W | 0.07 | 0.4 | 0.92 |
11 | Max. efficiency | % | 38 | 43.0 | 50 |
12 | Back-EMF constant | mV/rpm | 0.39 | 0.22 | 0.10 |
13 | Torque constant | mNm/A | 3.70 | 2.10 | 1.00 |
14 | KV Value | rpm/V | 2180 | 4000 | 8730 |
15 | Speed/torque gradient | rpm/mNm | 25310 | 25310 | 29360 |
16 | Rotor inertia | gcm² | 0.02 | 0.02 | 0.02 |
17 | Weight | g | 3 | 3 | 3 |
18 | Thermal resistance (Housing-Ambient) | K/W | – | 110 | – |
19 | Thermal resistance (Winding-Housing) | K/W | – | 26 | – |
20 | Thermal time constant (Motor) | s | – | 63 | – |
21 | Thermal time constant (Winding) | s | – | 57 | – |
22 | Operating temperature range | °C | – | -40~+100 | – |
23 | Thermal class of winding | °C | – | 130 | – |
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 (3mm from mounting face) | N | – | 6.3 | – |
29 | No. of pole pairs | – | – | 1 | – |
30 | Bearings | – | – | 2 ball bearings | – |
31 | Commutation | – | – | Sensorless | – |
32 | Protection class | – | – | IP 20 | – |
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