40 mm Brushed Coreless DC Motor
The 40 mm brushed coreless DC motor is a compact precision motor designed for smooth rotary motion, low inertia, responsive speed control, and space-constrained OEM applications.
This series includes 40ZYCC71-1 with 48V operation, torque capability up to 186 mN·m, and speed up to 6500 RPM.
Motor Characteristics
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| Specification | Unit | 40ZYCC71-1 |
|---|---|---|
| Rated voltage | V | 48 |
| No-load speed | RPM | 6500 |
| No-load current | A | 0.25 |
| Max. continuous torque | mN·M | 186 |
| Max. continuous speed | RPM | 5700 |
| Max. continuous current | A | 4 |
| Max. efficiency | % | 89 |
| Peak torque | mN·M | 2061 |
| Peak current | A | 28.3 |
| Terminal resistance | Ω | 1.7 |
| Terminal inductance | mH | 0.372 |
| Torque constant | mN.M/A | 72.95 |
| Back-EMF constant | rpm/V | 131 |
| Speed constant | rpm/mN.M | 3.05 |
| Rotor inertia | g.cm² | 215 |
| Mechanical time constant | ms | 6.87 |
| Insulation class | - | F/155 |
| Case thermal resistance (no load) | K/W | 8.2 |
| Ambient temperature | ℃ | -20 ~ 65 |
| Max. winding temperature (no load) | ℃ | 155 |
| Brush type | - | Graphite brush |
| Number of commutator segments | - | 13 |
| Motor weight | g | 440 |
Dimensional Drawings
Performance Curves
Customization Options
Shaft Modifications
Customize shaft length, diameter, flats, or output features for the mechanical interface.
Lead Wire & Connector Options
Modify wire length, connector type, cable routing, or harness details for easier installation.
Voltage & Winding Review
Review motor performance around required voltage, current, speed, and torque requirements.
Mounting & Feedback Options
Evaluate mounting features, gearbox options, encoder feedback, and compact OEM integration needs.
Downloads
Need help selecting or customizing a 40 mm coreless DC motor?
DINGS’ Motion USA can help evaluate voltage, torque, speed, duty cycle, shaft design, wire options, feedback requirements, and compact mechanical requirements for your application.