FA-BR12-12V Coreless Brushed Motor for Dental Endo Systems
12mm diameter and 20mm length precision coreless motor for dental endo motor systems requiring stable low-speed control and compact integration.
The FA-BR12-12V(1.5W, 12V) is a high-efficiency 12mm diameter and 20mm length coreless brushed DC motor designed for space-constrained precision equipment.
It provides stable torque output at low speeds, ensuring precise control during root canal preparation procedures.

Mechanical Dimensions

Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 43A | 40A | 46A | 41A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 3.3 | 6.0 | 7.4 | 12.0 |
| No load speed | rpm | 14700 | 25830 | 29000 | 25000 |
| No load current | mA | 42 | 45 | 40 | 40 |
| Nominal speed | rpm | 11061 | 23634 | 26535 | 22875 |
| Nominal torque | mNm | 1.18 | 0.64 | 0.78 | 1.07 |
| Nominal current | A | 0.58 | 0.33 | 0.35 | 0.27 |
| Stall torque | mNm | 4.7 | 7.5 | 9.2 | 12.6 |
| Stall current | A | 2.21 | 3.37 | 3.76 | 2.76 |
| Terminal resistance | Ω | 1.49 | 1.78 | 1.97 | 4.35 |
| Torque constant | mNm/A | 2.1 | 2.17 | 2.39 | 4.49 |
| Speed constant | rpm/V | 4454 | 4305 | 3918 | 2083 |
| Mechanical time constant | ms | 7.8 | 8.8 | 8.1 | 5.1 |
| Rotor inertia | gcm² | 0.253 | 0.251 | 0.255 | 0.258 |
Optical Gearbox
| Optional gearbox | |
|---|---|
| G12MF | |
| G12XL |
Optional encoder
| N/O | |
|---|---|
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Sleeve bearings |
| Number of pole pairs | 1 | Brush type | Precious metal brushes |
| Number of phases | 5 | Weight of motor | 9.69g |
Engineering Overview
The FA-BR12-12V(1.5W, 12V) motor features a 12mm diameter and 20mm length cylindrical housing optimized for compact integration.
It supports standard shaft mounting and is suitable for direct drive or gearbox coupling applications.
- Stable low-speed torque preformance
- compact size for handheld endodontic devices
- supports gearbox integration for higher torque requirements
- Suitable for continuous operation in clinical environments
- Low vibration for improved clinical precision
Typical Application
dental ENDO motor systems
