The BO1815N2B series features compact 18mm sensorless BLDC outer rotor motors designed for precision, reliability, and efficiency. Ideal for UAVs and aeromodelling, these motors offer customizable options including lead wire length, shaft and bearing types, special coils, gear heads, encoders, and compatible driver solutions, ensuring optimal performance in demanding applications requiring lightweight motion control.
| Parameter | Unit | BO1815N2B01-199-6.0 | BO1815N2B02-199-9.0 | BO1815N2B03-199-12.0 |
|---|---|---|---|---|
| Voltage | V | 6.0 | 9.0 | 12.0 |
| Terminal resistance | Ω | 0.21 | 0.43 | 0.72 |
| No-load speed | rpm | 19900 | 19900 | 19900 |
| No-load current | A | 0.32 | 0.21 | 0.14 |
| Stall torque | mNm | 81 | 89 | 94 |
| Stall current | A | 28.9 | 21.1 | 16.7 |
| Nominal torque | mNm | 18.0 | 17 | 19 |
| Nominal speed | rpm | 9550 | 11100 | 11070 |
| Nominal current | A | 6.1 | 4.6 | 3.7 |
| Max. output power | W | 42 | 47 | 49 |
| Max. efficiency | % | 80.0 | 81.1 | 82.6 |
| Back-EMF constant | mV/rpm | 0.3 | 0.4 | 0.6 |
| Torque constant | mNm/A | 2.9 | 4.3 | 5.7 |
| KV Value | rpm/V | 3307 | 2212 | 1664 |
| Speed/torque gradient | rpm/mNm | 243.5 | 223.2 | 212.0 |
| Rotor inertia | gcm² | 2.8 | 2.8 | 2.8 |
| Weight | g | 11 | 11 | 11 |
| Thermal resistance housing-ambient | K/W | 2.8 | 2.8 | 2.8 |
| Thermal resistance winding-housing | K/W | 2.4 | 2.4 | 2.4 |
| Thermal time constant motor | s | 173 | 173 | 173 |
| Thermal time constant winding | s | 112 | 112 | 112 |
| Operating temperature range | °C | -40~+120 | -40~+120 | -40~+120 |
| Thermal class of winding | °C | 180 | 180 | 180 |
| Axial play | mm | 0.012 | 0.012 | 0.012 |
| Radial play | mm | 0.008 | 0.008 | 0.008 |
| Axial load dynamic | N | 1.5 | 1.5 | 1.5 |
| Axial load static | N | 37 | 37 | 37 |
| Radial load at 3 mm from mounting face | N | 12 | 12 | 12 |
| No. of pole pairs | 6 | 6 | 6 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Commutation | Sensorless | Sensorless | Sensorless | |
| Protection class | IP | 20 | 20 | 20 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | BO1815N2B01-199-6.0 |
|---|---|---|
| Voltage | V | 6.0 |
| Terminal resistance | Ω | 0.21 |
| No-load speed | rpm | 19900 |
| No-load current | A | 0.32 |
| Stall torque | mNm | 81 |
| Stall current | A | 28.9 |
| Nominal torque | mNm | 18.0 |
| Nominal speed | rpm | 9550 |
| Nominal current | A | 6.1 |
| Max. output power | W | 42 |
| Max. efficiency | % | 80.0 |
| Back-EMF constant | mV/rpm | 0.3 |
| Torque constant | mNm/A | 2.9 |
| KV Value | rpm/V | 3307 |
| Speed/torque gradient | rpm/mNm | 243.5 |
| Rotor inertia | gcm² | 2.8 |
| Weight | g | 11 |
| Thermal resistance housing-ambient | K/W | 2.8 |
| Thermal resistance winding-housing | K/W | 2.4 |
| Thermal time constant motor | s | 173 |
| Thermal time constant winding | s | 112 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| 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 | 6 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | BO1815N2B02-199-9.0 |
|---|---|---|
| Voltage | V | 9.0 |
| Terminal resistance | Ω | 0.43 |
| No-load speed | rpm | 19900 |
| No-load current | A | 0.21 |
| Stall torque | mNm | 89 |
| Stall current | A | 21.1 |
| Nominal torque | mNm | 17 |
| Nominal speed | rpm | 11100 |
| Nominal current | A | 4.6 |
| Max. output power | W | 47 |
| Max. efficiency | % | 81.1 |
| Back-EMF constant | mV/rpm | 0.4 |
| Torque constant | mNm/A | 4.3 |
| KV Value | rpm/V | 2212 |
| Speed/torque gradient | rpm/mNm | 223.2 |
| Rotor inertia | gcm² | 2.8 |
| Weight | g | 11 |
| Thermal resistance housing-ambient | K/W | 2.8 |
| Thermal resistance winding-housing | K/W | 2.4 |
| Thermal time constant motor | s | 173 |
| Thermal time constant winding | s | 112 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| 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 | 6 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | BO1815N2B03-199-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 0.72 |
| No-load speed | rpm | 19900 |
| No-load current | A | 0.14 |
| Stall torque | mNm | 94 |
| Stall current | A | 16.7 |
| Nominal torque | mNm | 19 |
| Nominal speed | rpm | 11070 |
| Nominal current | A | 3.7 |
| Max. output power | W | 49 |
| Max. efficiency | % | 82.6 |
| Back-EMF constant | mV/rpm | 0.6 |
| Torque constant | mNm/A | 5.7 |
| KV Value | rpm/V | 1664 |
| Speed/torque gradient | rpm/mNm | 212.0 |
| Rotor inertia | gcm² | 2.8 |
| Weight | g | 11 |
| Thermal resistance housing-ambient | K/W | 2.8 |
| Thermal resistance winding-housing | K/W | 2.4 |
| Thermal time constant motor | s | 173 |
| Thermal time constant winding | s | 112 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| 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 | 6 | |
| Bearings | 2 ball bearings | |
| Commutation | Sensorless | |
| Protection class | IP | 20 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
