7.4V 12V 30V High Speed Small DC Motors Specifications
Coreless BLDC Motor Typical Applications: Steering Gear, Intelligent Robot
| Motor model | NFP-2238RB-A | NFP-2238RB-B | NFP-2238RB-C | NFP-2238RB-D |
|---|---|---|---|---|
| Nominal voltage | 7.4V DC | 12V DC | 30V DC | 30V DC |
| No-load speed | 13,000rpm | 12,000rpm | 13,200rpm | 15,000rpm |
| No-load current | 170mA | 90mA | 80mA | 110mA |
| Nominal speed | 10,725rpm | 10,020rpm | 11,154rpm | 12,900rpm |
| Nominal torque | 5mNm | 5mNm | 5mNm | 5mNm |
| Nominal current | 1.06A | 0.6A | 0.29A | 0.35A |
| Stall torque | 28.16mNm | 30.2mNm | 31.75mNm | 35.1mNm |
| Stall current | 5.29A | 3.23A | 1.49A | 1.88A |
| Max efficiency | 71% | 73% | 65% | 64% |
| Terminal resistance | 1.4Ω | 3.72Ω | 20.1Ω | 16Ω |
| Torque constant | 5.33mNm/A | 9.36mNm/A | 21.28mNm/A | 18.73mNm/A |
| Speed constant | 1,757rpm/V | 1,000rpm/V | 440rpm/V | 500rpm/V |
Long Wears Life High Torque DC Motor Parameters
| Key feature | Data |
|---|---|
| Ambient temperature | -10℃-40℃ |
| Max permissible winding temperature | 120℃ |
| Max permissible speed | 20,000rpm |
| Number of the pole pairs | 1 |
| Number of the phase | 3 |
| Weight | 50g |
Custom Design 12V DC Motor Performance Curve
| Terminals’ definition | / |
|---|---|
| PIN1-PIN3 | Motor winding 1-3 |
| PIN4 | GND |
| PIN5-PIN7 | Sensor 1-3 |
| PIN8 | Vall 2-18VDC |
Micro Coreless Motor 22mm NFP-2238RB-D Diagram
