8 mm Slotless Brushless DC Motor
Compact 8 mm slotless brushless DC motor for high-speed rotary motion in space-constrained applications.
The 8ZWWC25 provides 3.25 W rated power, 0.8 mN·m rated torque, and no-load speed up to 48000 RPM.
Motor Characteristics
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| Specification | Unit | 8ZWWC25 |
|---|---|---|
| Motor Part Number | - | 8ZWWC25 |
| Pole Pairs | - | 1 |
| Terminal Resistance, Phase-Phase | Ω | 6.1 |
| Terminal Inductance, Phase-Phase | mH | 0.085 |
| Winding Connection Method | - | Delta connection |
| Insulation Class | - | B |
| Duty Type | - | S2 |
| Insulation Strength (Withstand Voltage) | - | 300VAC/1KHz/1mA/1s |
| Insulation Resistance | - | 100MΩ/300VDC |
| Weight | g | 7.3 |
| Rated Voltage | V | 12 |
| Rated Power | W | 3.25 |
| Rated Torque | mN·m | 0.8 |
| Rated Speed | RPM | 38200 |
| Rated Current | A | 0.45 |
| No-Load Speed | RPM | 48000 |
| No-Load Current | A | 0.056 |
| Motor Efficiency | % | 60 |
| Noise (Ambient noise 20dB, test distance 1m) | dB | ＜50 |
| Thermal Resistance | K/W | 51.2 |
| Thermal Time Constant | S | 150 |
| Ambient Temperature | ℃ | 22.3 |
| Maximum Winding Temperature | ℃ | 80 |
| Torque Constant | mN·m/A | 1.77 |
| Back-EMF Constant - Peak Value | V/Krpm | 0.26 |
| Back-EMF Constant - Effective Value | V/Krpm | 0.19 |
| Peak Torque | mN·m | 3.49 |
| Peak Current | A | 2 |
| Rotor Inertia | g·cm² | 0.016 |
| Mechanical Time Constant | ms | 3.11 |
| End bell | - | Stainless steel |
| Bearing | - | Deep groove ball bearing |
| Magnet | - | Sinter NdFeB |
| Rotation shaft | - | Carbon steel |
Dimensional Drawing
Torque Performance Curve
Customization Options
Feedback Options
Review Hall sensor or encoder feedback requirements for speed control, commutation, positioning, and closed-loop operation.
Shaft Modifications
Customize shaft length, flats, diameter, or mounting features to support compact mechanical integration.
Lead Wire & Connector Options
Modify wire length, routing, connectors, or cable assemblies to simplify installation and reduce assembly time.
Winding & Performance Tuning
Motor windings and performance targets can be reviewed for voltage, speed, torque, and application requirements.
Downloads
Model-specific 2D and 3D files are linked directly from the official DINGS slotless BLDC drawing library.
Part Number Builder
8 mm motor diameter designation
Slotless brushless DC motor series designation
Model length designation