FA-1328R Coreless Brushed DC Motor
The FA-1328R is a 2.5W high-torque coreless brushed DC motor with Φ13mm outer diameter and 28mm body length. Adopting iron-free coreless rotor and durable precious metal brushes, it delivers steady torque output, low vibration and long service life for continuous precision operation.
• Dimension: Φ13mm × Length 28mm
• Rated Power: 2.5W
• Voltage Options: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 | 07A | 08A | 09A | 05A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 3.0 | 6.0 | 7.4 | 12.0 |
| No load speed | rpm | 10000 | 14950 | 12010 | 10000 |
| No load current | mA | 40 | 55 | 30 | 10 |
| Nominal speed | rpm | 7525 | 12450 | 9000 | 6725 |
| Nominal torque | mNm | 1.92 | 1.91 | 1.95 | 1.84 |
| Nominal current | A | 0.7 | 0.55 | 0.37 | 0.17 |
| Stall torque | mNm | 7.6 | 11.2 | 7.8 | 5.1 |
| Stall current | A | 2.70 | 2.94 | 1.33 | 0.49 |
| Terminal resistance | Ω | 1.11 | 2.04 | 5.58 | 24.5 |
| Torque constant | mNm/A | 2.8 | 3.74 | 5.77 | 11.23 |
| Speed constant | rpm/V | 3333 | 2500 | 1621 | 833 |
| Mechanical time constant | ms | 8.3 | 8.4 | 10.1 | 11.7 |
| Rotor inertia | gcm² | 0.644 | 0.637 | 0.659 | 0.655 |
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 | 17.1g |
Engineering Overview
Built with iron-free coreless rotor and 5-segment commutator paired with precious metal brushes, the FA-1328R eliminates cogging torque to ensure ultra-smooth and quiet running. Featuring high torque density and reliable load resistance, this motor performs excellently under long-term continuous working conditions. Optional G13MF and G13XL gearboxes and encoders can be equipped to boost torque and realize closed-loop precision control, fitting various compact high-torque drive applications.
Typical Applications:
• High-torque portable precision medical instruments
• Heavy-load handheld beauty and cosmetic equipment
• Industrial micro pumps with stable output requirements
• Durable miniature laboratory testing devices