Description
20mm BLDC outer rotor, sensorless
| Specification | BO2010NB2B12-108-9.0 |
|---|---|
| Voltage | 9.0 V |
| Terminal resistance | 9.0 Ω |
| Terminal inductance | 1.2 mH |
| No-load speed | 10800 rpm |
| No-load current | 0.05 A |
| Stall torque | 7.1 mNm |
| Stall current | 1.0 A |
| Nominal torque | 4.0 mNm |
| Nominal speed | 4230 rpm |
| Nominal current | 0.52 A |
| Max. output power | 2.0 W |
| Max. efficiency | 60 % |
| Back-EMF constant | 0.8 mV/rpm |
| Torque constant | 7.5 mNm/A |
| Speed/torque gradient | 1503 rpm/mNm |
| Rotor inertia | 2.8 g·cm² |
| Weight | 9.6 g |
| Thermal resistance housing-ambient | 12.5 K/W |
| Thermal resistance winding-housing | 12 K/W |
| Thermal time constant motor | 354 s |
| Thermal time constant winding | 15 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 | 1.5 N |
| Axial load static | 37 N |
| Radial load at 3 mm from mounting face | 12 N |
| No. of pole pairs | 4 |
| Bearings | 2 ball bearings |
| Commutation | Sensorless |
| Protection class | 20 IP |
