
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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