The BO1808NBH2B is an 18mm brushless DC outer rotor motor, engineered for sensorless operation. Designed for compact motion systems, it offers high efficiency, reduced noise, and smooth performance. Ideal for UAV gimbals, handheld gimbals, LiDAR, and laser scanning devices, it supports multiple customization options such as shaft length, special coils, gear heads, bearing type, Hall sensors, encoders, and drivers to fit diverse automation requirements.
| Parameter | Unit | BO1808NBH2B01-144-11.4 | BO1808NBH2B03-144-7.6 |
|---|---|---|---|
| Voltage | V | 11.4 | 7.6 |
| Terminal resistance | Ω | 14.4 | 6.4 |
| No-load speed | rpm | 14300 | 14300 |
| No-load current | A | 0.12 | 0.18 |
| Stall torque | mNm | 4.3 | 4.28 |
| Stall current | A | 0.8 | 1.19 |
| Nominal torque | mNm | 1.2 | 1.2 |
| Nominal speed | rpm | 7790 | 7830 |
| Max. output power | W | 1.61 | 1.6 |
| Max. efficiency | % | 37.1 | 37.2 |
| Back-EMF constant | mV/rpm | 0.67 | 0.44 |
| Torque constant | mNm/A | 6.4 | 4.2 |
| Terminal inductance | mH | 0.74 | 0.33 |
| Speed/torque gradient | rpm/mNm | 3320 | 3350 |
| Rotor inertia | gcm² | 1.4 | 1.4 |
| Weight | g | 6.5 | 6.5 |
| Thermal resistance housing-ambient | K/W | 36.8 | 36.8 |
| Thermal resistance winding-housing | K/W | 2.4 | 2.4 |
| Thermal time constant motor | s | 65 | 65 |
| Thermal time constant winding | s | 105 | 105 |
| Operating temperature range | °C | -40~+120 | -40~+120 |
| Thermal class of winding | °C | 155 | 155 |
| Axial play | mm | 0.012 | 0.012 |
| Radial play | mm | 0.008 | 0.008 |
| Axial load dynamic | N | 1 | 1 |
| Axial load static | N | 25 | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 | 6.3 |
| No. of pole pairs | 4 | 4 | |
| Bearings | 2 ball bearings | 2 ball bearings | |
| Commutation | Hall-sensor | Hall-sensor | |
| Protection class | IP | 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 | BO1808NBH2B01-144-11.4 |
|---|---|---|
| Voltage | V | 11.4 |
| Terminal resistance | Ω | 14.4 |
| No-load speed | rpm | 14300 |
| No-load current | A | 0.12 |
| Stall torque | mNm | 4.3 |
| Stall current | A | 0.8 |
| Nominal torque | mNm | 1.2 |
| Nominal speed | rpm | 7790 |
| Max. output power | W | 1.61 |
| Max. efficiency | % | 37.1 |
| Back-EMF constant | mV/rpm | 0.67 |
| Torque constant | mNm/A | 6.4 |
| Terminal inductance | mH | 0.74 |
| Speed/torque gradient | rpm/mNm | 3320 |
| Rotor inertia | gcm² | 1.4 |
| Weight | g | 6.5 |
| Thermal resistance housing-ambient | K/W | 36.8 |
| Thermal resistance winding-housing | K/W | 2.4 |
| Thermal time constant motor | s | 65 |
| Thermal time constant winding | s | 105 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 1 |
| Axial load static | N | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 |
| No. of pole pairs | 4 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall-sensor | |
| 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 | BO1808NBH2B03-144-7.6 |
|---|---|---|
| Voltage | V | 7.6 |
| Terminal resistance | Ω | 6.4 |
| No-load speed | rpm | 14300 |
| No-load current | A | 0.18 |
| Stall torque | mNm | 4.28 |
| Stall current | A | 1.19 |
| Nominal torque | mNm | 1.2 |
| Nominal speed | rpm | 7830 |
| Max. output power | W | 1.6 |
| Max. efficiency | % | 37.2 |
| Back-EMF constant | mV/rpm | 0.44 |
| Torque constant | mNm/A | 4.2 |
| Terminal inductance | mH | 0.33 |
| Speed/torque gradient | rpm/mNm | 3350 |
| Rotor inertia | gcm² | 1.4 |
| Weight | g | 6.5 |
| Thermal resistance housing-ambient | K/W | 36.8 |
| Thermal resistance winding-housing | K/W | 2.4 |
| Thermal time constant motor | s | 65 |
| Thermal time constant winding | s | 105 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 1 |
| Axial load static | N | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 |
| No. of pole pairs | 4 | |
| Bearings | 2 ball bearings | |
| Commutation | Hall-sensor | |
| 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.
