B1020N

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Description

1 Voltage V 7.4 3.7 7.4
2 Terminal resistance Ω 1.08 6.2 1.4
3 No-load speed rpm 39300 8500 38200
4 No-load current A 0.32 0.07 0.24
5 Stall torque mNm 11.2 1.9 8.9
6 Stall current A 6.85 0.6 5.3
7 Nominal torque mNm 2.6 1.0 2.6
8 Nominal speed rpm 30000 4300 27000
9 Nominal current A 1.85 0.35 1.7
10 Max. output power W 11.5 0.4 9.0
11 Max. efficiency % 61 43 61
12 Back-EMF constant mV/rpm 0.18 0.38 0.18
13 Torque constant mNm/A 1.70 3.67 1.76
14 KV Value rpm/V 5300 2290 5160
15 Speed/torque gradient rpm/mNm 3500 4358 4290
16 Rotor inertia gcm² 0.06 0.06 0.06
17 Weight g 6.8 6.8 6.8
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 -20~+100
23 Thermal class of winding °C 155
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 1
30 Bearings 2 sleeve bearings
31 Commutation Sensorless
32 Protection class IP20

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