Coreless Micro Motor Model NFP-D8620-3665 Data Sheet
Coreless DC motors do away with the laminated iron core in the rotor. Instead, the rotor windings are wound in a skewed, or honeycomb, fashion to form a self-supporting hollow cylinder or “basket.” For this reason, it is also called ironless. Because there is no iron core to support the windings, they are often held together with epoxy.
| Model | NFP-D8620-3665-1-3.4 | NFP-D8620-3665-2-3.4 | NFP-D8620-3665-3-7.4 |
|---|---|---|---|
| Voltage | 3.4V | 3.4V | 7.4V |
| Terminal resistance | 0.4Ω | 0.2Ω | 1Ω |
| No-load-speed | 44,000rpm | 51,500rpm | 46,000rpm |
| No-load-current | 135mA | 205mA | 140mA |
| Stall torque | CW64.6g.cm | CW89.36g.cm | CW108.8g.cm |
| Stall current | 9,390mA | 15,180mA | 7,410mA |
| Max output power | 7.293W | 11.807W | 12.841W |
| Max efficiency | 73% | 73% | 72% |
| Torque constant | 7g.cm/A | 6g.cm/A | 15g.cm/A |
| Rotor inertia | <0.15g.cm² | <0.15g.cm² | <0.15g.cm² |
| Weight | 5.3g | 5.3g | 5.3g |
12V DC Large Speed Motor NFP-D8620-3665 Outline Drawing
Coreless DC Series 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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