Description
20mm BLDC outer rotor, Hall sensor
| Specification | BO2008NBH2B01-73-11.4 |
|---|---|
| Voltage | 11.4 V |
| Terminal resistance | 26.0 Ω |
| Terminal inductance | 2.30 mH |
| No-load speed | 7200 rpm |
| No-load current | 0.05 A |
| Stall torque | 5.2 mNm |
| Stall current | 0.4 A |
| Nominal torque | 2.8 mNm |
| Nominal speed | 1080 rpm |
| Nominal current | 0.3 A |
| Max. output power | 1.0 W |
| Max. efficiency | 43.8 % |
| Back-EMF constant | 1.4 mV/rpm |
| Torque constant | 13.4 mNm/A |
| Speed/torque gradient | 1384 rpm/mNm |
| Rotor inertia | 2.0 gcm² |
| Weight | 6.8 g |
| Thermal resistance housing-ambient | 28.9 K/W |
| Thermal resistance winding-housing | 8.6 K/W |
| Thermal time constant motor | 135 s |
| Thermal time constant winding | 165 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 0.012 mm |
| Radial play | 0.008 mm |
| Axial load dynamic | 1.8 N |
| Axial load static | 45 N |
| Radial load at 3 mm from mounting face | 9 N |
| No. of pole pairs | 4 |
| Bearings | 2 ball bearings |
| Protection class | 20 IP |
| Commutation | Sensorless |
Applications
Lidar
UAV gimbals
handheld gimbals
