Description
20mm BLDC outer rotor, sensorless
| Parameter | Unit | BO2015NB2B12-137-5.0 |
|---|---|---|
| Voltage | V | 5.0 |
| Terminal resistance | Ω | 0.65 |
| Terminal inductance | mH | 0.063 |
| No-load speed | rpm | 13700 |
| No-load current | mA | 0.2 |
| Stall torque | mNm | 25.4 |
| Stall current | mA | 7.7 |
| Nominal torque | mNm | 7.4 |
| Nominal speed | rpm | 7940 |
| Nominal current | mA | 2.40 |
| Max. output power | W | 9.1 |
| Max. efficiency | % | 70 |
| Back-EMF constant | mV/rpm | 0.4 |
| Torque constant | mNm/A | 3.4 |
| Speed/torque gradient | rpm/mNm | 539 |
| Rotor inertia | g·cm² | 6.7 |
| Weight | g | 21 |
| Thermal resistance housing-ambient | K/W | 9.5 |
| Thermal resistance winding-housing | K/W | 8 |
| Thermal time constant motor | s | 354 |
| Thermal time constant winding | s | 23 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.08 |
| Axial load dynamic | N | 1.5 |
| Axial load static | N | 37 |
| Radial load at 3 mm from mounting face | N | 12 |
| No. of pole pairs | 4 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
Applications
UAV gimbals
handheld gimbals
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
