The BO3823N2B series features compact 38mm outer rotor BLDC motors with sensorless control, providing high torque and smooth performance. Designed for UAVs, electrical tools, automation equipment, and smart home devices, this family offers flexible configuration options including customizable shaft length, special coils, gear heads, and feedback solutions like encoders or hall sensors.
| Parameter | Unit | BO3823N2B01-79-12.0 | BO3823N2B02-79-24.0 | BO3823N2B03-79-36.0 |
|---|---|---|---|---|
| Voltage | V | 12.0 | 24.0 | 36.0 |
| Terminal resistance | Ω | 0.11 | 0.47 | 1.01 |
| No-load speed | rpm | 7900 | 7900 | 7900 |
| No-load current | A | 0.49 | 0.26 | 0.18 |
| Stall torque | mNm | 1534 | 1439 | 1529 |
| Stall current | A | 107.1 | 50.6 | 35.6 |
| Nominal torque | mNm | 173.5 | 163 | 164 |
| Nominal speed | rpm | 5690 | 6210 | 6300 |
| Nominal current | A | 12.3 | 5.8 | 3.8 |
| Max. output power | W | 318 | 301 | 317 |
| Max. efficiency | % | 86.9 | 86.2 | 86.4 |
| Back-EMF constant | mV/rpm | 1.5 | 3.0 | 4.5 |
| Torque constant | mNm/A | 14.4 | 28.6 | 43.2 |
| Terminal inductance | mH | 661 | 333 | 220 |
| Speed/torque gradient | rpm/mNm | 5.2 | 5.5 | 5.2 |
| Rotor inertia | gcm² | 42 | 42 | 42 |
| Weight | g | 73 | 73 | 73 |
| Thermal resistance housing-ambient | K/W | 1.3 | 1.3 | 1.3 |
| Thermal resistance winding-housing | K/W | 1.2 | 1.2 | 1.2 |
| Thermal time constant motor | s | 300 | 300 | 300 |
| Thermal time constant winding | s | 69 | 69 | 69 |
| 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 | 8 | 8 | 8 |
| Axial load static | N | 110 | 110 | 110 |
| Radial load at 3 mm from mounting face | N | 31 | 31 | 31 |
| No. of pole pairs | 7 | 7 | 7 | |
| 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 | BO3823N2B01-79-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 0.11 |
| No-load speed | rpm | 7900 |
| No-load current | A | 0.49 |
| Stall torque | mNm | 1534 |
| Stall current | A | 107.1 |
| Nominal torque | mNm | 173.5 |
| Nominal speed | rpm | 5690 |
| Nominal current | A | 12.3 |
| Max. output power | W | 318 |
| Max. efficiency | % | 86.9 |
| Back-EMF constant | mV/rpm | 1.5 |
| Torque constant | mNm/A | 14.4 |
| Terminal inductance | mH | 661 |
| Speed/torque gradient | rpm/mNm | 5.2 |
| Rotor inertia | gcm² | 42 |
| Weight | g | 73 |
| Thermal resistance housing-ambient | K/W | 1.3 |
| Thermal resistance winding-housing | K/W | 1.2 |
| Thermal time constant motor | s | 300 |
| Thermal time constant winding | s | 69 |
| 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 | 8 |
| Axial load static | N | 110 |
| Radial load at 3 mm from mounting face | N | 31 |
| No. of pole pairs | 7 | |
| 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 | BO3823N2B02-79-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 0.47 |
| No-load speed | rpm | 7900 |
| No-load current | A | 0.26 |
| Stall torque | mNm | 1439 |
| Stall current | A | 50.6 |
| Nominal torque | mNm | 163 |
| Nominal speed | rpm | 6210 |
| Nominal current | A | 5.8 |
| Max. output power | W | 301 |
| Max. efficiency | % | 86.2 |
| Back-EMF constant | mV/rpm | 3.0 |
| Torque constant | mNm/A | 28.6 |
| Terminal inductance | mH | 333 |
| Speed/torque gradient | rpm/mNm | 5.5 |
| Rotor inertia | gcm² | 42 |
| Weight | g | 73 |
| Thermal resistance housing-ambient | K/W | 1.3 |
| Thermal resistance winding-housing | K/W | 1.2 |
| Thermal time constant motor | s | 300 |
| Thermal time constant winding | s | 69 |
| 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 | 8 |
| Axial load static | N | 110 |
| Radial load at 3 mm from mounting face | N | 31 |
| No. of pole pairs | 7 | |
| 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 | BO3823N2B03-79-36.0 |
|---|---|---|
| Voltage | V | 36.0 |
| Terminal resistance | Ω | 1.01 |
| No-load speed | rpm | 7900 |
| No-load current | A | 0.18 |
| Stall torque | mNm | 1529 |
| Stall current | A | 35.6 |
| Nominal torque | mNm | 164 |
| Nominal speed | rpm | 6300 |
| Nominal current | A | 3.8 |
| Max. output power | W | 317 |
| Max. efficiency | % | 86.4 |
| Back-EMF constant | mV/rpm | 4.5 |
| Torque constant | mNm/A | 43.2 |
| Terminal inductance | mH | 220 |
| Speed/torque gradient | rpm/mNm | 5.2 |
| Rotor inertia | gcm² | 42 |
| Weight | g | 73 |
| Thermal resistance housing-ambient | K/W | 1.3 |
| Thermal resistance winding-housing | K/W | 1.2 |
| Thermal time constant motor | s | 300 |
| Thermal time constant winding | s | 69 |
| 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 | 8 |
| Axial load static | N | 110 |
| Radial load at 3 mm from mounting face | N | 31 |
| No. of pole pairs | 7 | |
| 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.
