7mm DC Coreless Motor Series
Width: 7mm; Length: 20mm; Voltage: 3.0v, 3.0v, 3.2v; No-load speed: 42370-44860rpm; Maximum output power: 3.2-4.1w.
Applications: mini UAV’s, remote control hobby products, small household appliances, etc.
Customizable options: Specifications, wire length, shaft length, performance, gearbox.
Unit price: Quote based on customer quantity and solution requirements
| Nombre | Unidad | 55-448-3.2 | 33-423-3.0 | 42-448-3.0 |
| Voltage | V | 3.2 | 3.0 | 3.0 |
| Terminal resistance | Ω | 0.7 | 0.67 | 0.51 |
| No-load speed | rpm | 44800 | 42370 | 44860 |
| No-load current | mA | 140 | 100 | 190 |
| Stall torque | mNm | 2.9 | 2.9 | 3.5 |
| Stall current | mA | 4570 | 4480 | 5880 |
| Load torque | mNm | 0.5 | 0.5 | 0.5 |
| Load speed | rpm | 37150 | 35050 | 38480 |
| Load current | mA | 900 | 860 | 1000 |
| Max.output power | W | 3.4 | 3.2 | 4.1 |
| Max.efficiency | % | 68.1 | 72.4 | 67.4 |
| Back-EMF constant | mV/rpm | 0.07 | 0.07 | 0.06 |
| Torque constant | mNm/A | 0.66 | 0.66 | 0.62 |
| Speed/torque gradient | rpm/mNm | 15290 | 14641 | 12752 |
| Weight | g | 3.3 | 3.9 | 3.9 |
| Rotor inertia | gcm2 | 0.06 | 0.06 | 0.06 |
| Operating temperature range | °C | -20~+120 | -20~+120 | -20~+120 |

