Datasheet
Coreless DC motors eliminate the traditional iron core, using a lightweight coil instead. This design reduces inertia, resulting in high efficiency, rapid response, and smooth operation. They're ideal for applications needing compact, precise motors, such as in drones, medical devices, and consumer electronics.
| Model | 14A | 20A | 56A | 60A |
|---|---|---|---|---|
| Voltage | 7.4V DC | 7.4V DC | 7.4V DC | 12V DC |
| Speed constant | 2432rpm/V | 2711rpm/V | 3466rpm/V | 2135rpm/V |
| Torque constant | 3.85mNm/A | 3.45mNm/A | 2.70mNm/A | 4.38mNm/A |
| No-load speed | 18000rpm | 20060rpm | 25650rpm | 25620rpm |
| No-load-current | 60mA | 60mA | 100mA | 60mA |
| Nominal speed | 16200rpm | 18150rpm | 23830rpm | 23820rpm |
| Nominal torque | 3mNm | 2.9mNm | 2.85mNm | 2.95mNm |
| Nominal current | 0.84A | 0.89A | 1.1A | 0.72A |
| Stall torque | 30.77mNm | 30.5mNm | 40.5mNm | 42mNm |
| Stall current | 7.87A | 8.7A | 14.8A | 9.45A |
| Max efficiency | 84% | 83% | 85% | 85% |
| Terminal resistance | 0.94Ω | 0.85Ω | 0.5Ω | 1.27Ω |
Outline Drawing
Coreless DC motors offer high efficiency due to the lack of an iron core, leading to reduced energy loss. They are lightweight and compact, providing quick response and smooth, consistent performance. This makes them perfect for applications where space and precise control are essential.
Other Parmeters
Coreless DC motors feature a rotor made of a wound coil, suspended in a magnetic field without an iron core. This design minimizes cogging and friction, leading to smoother operation and higher efficiency. They are also lighter and more responsive compared to traditional motors.
| Key Features | Data |
|---|---|
| Ambient temperature | -10~40°C |
| Max permissible winding temperature | 80°C |
| Max permissible speed | 30,000rpm |
| Number of the pole pairs | 1 |
| Number of the commutator segments | 5 |
| Weight | 26.2g |
Performance Curve
Coreless DC motors are known for their high torque-to-weight ratio, quiet operation, and precise control. The absence of an iron core reduces cogging and friction, enhancing efficiency and extending the motor’s lifespan. They offer rapid acceleration and deceleration, ideal for dynamic applications.
Samples
With its compact size, high efficiency, and low noise, this motor finds use in a wide range of industries. From consumer electronics to medical devices, its versatility and adaptability make it a go-to option for engineers looking for reliable performance in small-scale applications.
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