FA-1320R Coreless Brushed DC Motor
The FA-1320R is a 2W compact coreless brushed DC motor with Φ13mm outer diameter and 20.8mm body length. Adopting iron-free coreless rotor and high-quality precious metal brushes, it delivers stable torque, low noise and consistent performance for long-duration precision operation.
• Dimension: Φ13mm × Length 20.8mm
• Rated Power: 2W
• Voltage Options:4.0V / 6.0V / 7.4V / 12.0V
• Precious metal brush & oil-impregnated sleeve bearing
• Optional G13MF & G13XL gearbox plus matched encoder

Mechanical Dimensions

Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 13A | 06A | 17A | 09A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 4.0 | 6.0 | 7.4 | 12.0 |
| No load speed | rpm | 13400 | 12000 | 15000 | 14000 |
| No load current | mA | 45 | 30 | 30 | 25 |
| Nominal speed | rpm | 10080 | 9030 | 11287 | 10640 |
| Nominal torque | mNm | 1.25 | 1.57 | 1.24 | 1.27 |
| Nominal current | A | 0.47 | 0.35 | 0.29 | 0.17 |
| Stall torque | mNm | 5.0 | 6.3 | 5.0 | 5.1 |
| Stall current | A | 1.77 | 1.32 | 1.06 | 0.65 |
| Terminal resistance | Ω | 2.26 | 4.53 | 6.96 | 18.53 |
| Torque constant | mNm/A | 2.79 | 4.68 | 4.62 | 8.02 |
| Speed constant | rpm/V | 3350 | 2000 | 2027 | 1166 |
| Mechanical time constant | ms | 12.9 | 12.8 | 13.1 | 12.7 |
| Rotor inertia | gcm² | 0.487 | 0.482 | 0.492 | 0.479 |
Optical Gearbox
| Optional gearbox | |
|---|---|
| G12MF | |
| G12XL |
Optional encoder
| N/A | |
|---|---|
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 | 12.43g |
Engineering Overview
Equipped with iron-free coreless rotor and 5-segment commutator combined with precious metal brushes, the FA-1320R effectively eliminates cogging torque to achieve ultra-smooth rotation and low vibration. With moderate rotor inertia and stable dynamic performance, it works reliably in compact devices. The optional G13MF and G13XL gearboxes and encoders can be installed to enhance torque output and realize closed-loop precision control, adapting to diverse micro drive application scenarios.
Typical Applications:
• Portable handheld precision medical instruments
• Professional mini cosmetic and beauty equipment
• Small precision liquid and air micro pumps
• Compact laboratory testing and analytical devices
