Datasheet
The compact size of coreless DC motors does not compromise their performance. Their design allows for high torque and speed capabilities despite their small footprint. This makes coreless motors suitable for integration into devices where both space and power are limited, such as drones and small robotics.
| Model | 33A | 34A | 04A | 35A |
|---|---|---|---|---|
| Voltage | 9V DC | 10V DC | 12V DC | 24V DC |
| Speed constant | 1121rpm/V | 880rpm/V | 818rpm/V | 274rpm/V |
| Torque constant | 8.35mNm/A | 10.64mNm/A | 11.44mNm/A | 34.19mNm/A |
| No-load speed | 10090rpm | 8800rpm | 9820rpm | 6570rpm |
| No-load-current | 70mA | 60mA | 50mA | 15mA |
| Nominal speed | 8740rpm | 7790rpm | 8880rpm | 5740rpm |
| Nominal torque | 6.2mNm | 7mNm | 7mNm | 7mNm |
| Nominal current | 0.79A | 0.7A | 0.65A | 0.22A |
| Stall torque | 46.7mNm | 61mNm | 73.1mNm | 55.7mNm |
| Stall current | 5.5A | 5.6A | 6.3A | 1.6A |
| Max efficiency | 79% | 82% | 83% | 80% |
| Terminal resistance | 1.62Ω | 1.77Ω | 1.9Ω | 14.88Ω |
Outline Drawing
Coreless DC motors excel in applications that demand high precision and minimal backlash. The lack of a core reduces magnetic interference and cogging, resulting in smoother operation. This precision is crucial in fields like aerospace and medical technology, where accuracy and reliability are paramount.
Other Parmeters
The absence of an iron core in coreless DC motors results in a lighter and more efficient motor. This weight reduction benefits portable devices and reduces the overall power consumption. Coreless motors are thus ideal for battery-powered applications where efficiency and longevity are critical.
| Key Features | Data |
|---|---|
| Ambient temperature | -10~40°C |
| Max permissible winding temperature | 80°C |
| Max permissible speed | 20,000rpm |
| Number of the pole pairs | 1 |
| Number of the commutator segments | 5 |
| Weight | 59.4g |
Performance Curve
Coreless DC motors are often used in applications that require high-speed operation and quick response times. Their design supports rapid changes in velocity without the typical delays associated with core-based motors. This makes them suitable for fast-paced systems like remote-controlled vehicles and dynamic equipment.
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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