Coreless Motor Model NFP-D0812 Data Sheet
Coreless motor is similar to a cored DC motor in that it has brushes and a commutator. However, the difference is that the rotors windings are wound in a skewed (or honeycomb) fashion to form a self-supporting hollow cylinder, which is usually epoxied for stability.
| Model | NFP-D0812 |
|---|---|
| Motor Length – A | 12.5mm ± 0.2mm |
| Total Length – B | 16.9mm ± 0.3mm |
| Output Shaft Length – C | 4.4mm ± 0.3mm |
| Motor Diameterf – D | 8.1mm ± 0.1mm |
| Model | NFP-D0812-1-3.7 | NFP-D0812-2-7.4 | NFP-D0812-3-7.4 |
|---|---|---|---|
| Voltage | 3.7V | 7.4V | 7.4V |
| Terminal resistance | 4.4Ω | 4.4Ω | 10Ω |
| No-load-speed | 23,600rpm | 49,000rpm | 32,000rpm |
| No-load-current | 30mA | 55mA | 30mA |
| Stall torque | 10.8g.cm | 22.6g.cm | 14.7g.cm |
| Stall current | 840mA | 1,700mA | 740mA |
| Max output power | 0.68W | 2.8W | 1.2W |
| Max efficiency | 63% | 65% | 63% |
| Torque constant | 13.3g.cm/A | 5.4g.cm/A | 20.8g.cm/A |
| Rotor inertia | <0.06g.cm² | <0.06g.cm² | <0.06g.cm² |
| Weight | 2.3g | 2.3g | 2.3g |
8mm Shaft Dc Motor NFP-D0812 Outline Drawing
Mini Coreless Motor Applications
- Electric Vehicles Toys, Pumps, Computer Printers, Tattoo Machines
- Fax Machines, Video Cassette Recorders, Blowers, Golf Caddies
- Drills, Automotive Systems, Electric Screwdrivers, Massage Chairs
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