90ECF Brushless DC Slotted Flat Motor with Outer Rotor
90ECF
The 90ECF Brushless DC Flat Slotted Motor utilizes an outer rotor configuration and features an overall body length of 40mm. The 90ECF is able to provide a torque output up to 1 Nm. The performance-optimized design delivers excellent power density and smooth output torque in a compact package, making it well-suited for a variety of robotics and automation applications.
Product Highlights
- 11-pole pair magnetic circuit
- Max continous torque up to 1 Nm
- Sensored and sensorless
- 3-phase BLDC
Customization Available
- Connectors
- Custom shafts - flats, knurling, diameter, length
- Coil modifications - resistance and inductance
- Different optimization (speed or direction)
- Without hall sensors
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| Part Number | 90ECF40 8B 34 | 90ECF40 8B 13 |
|---|---|---|
| Motor Diameter (in) | 3.54 | 3.54 |
| Motor Diameter (mm) | 90 | 90 |
| Ambient Operating Temperature Range (°C) | -40 to 100 | -40 to 100 |
| Ambient Operating Temperature Range (°F) | -40 to 212 | -40 to 212 |
| Ambient Storage Temperature Range (°C) | -40 to 100 | -40 to 100 |
| Ambient Storage Temperature Range (°F) | -40 to 212 | -40 to 212 |
| Axial Static Force w/o Shaft Support, Max (lbs) | 11.25 | 11.25 |
| Axial Static Force w/o Shaft Support, Max (N) | 50 | 50 |
| Back EMF Constant (V/1000 rpm) | 24.5 | 9.37 |
| Ball Bearings Preload (N) | 90 | 90 |
| Continuous Current, Max (A) | 4.1 | 12.1 |
| Continuous Mechanical Power, Max (@25°C) (W) | 260 | 260 |
| Continuous Torque, Max (mNm) | 1000 | 1080 |
| Continuous Torque, Max (oz-in) | 140.2 | 154.3 |
| Electrical Time Constant (ms) | 1.34 | 1.4 |
| Housing Material | Aluminium | Aluminium |
| Hall Sensor Electrical Phasing (electrical °) | 120 | 120 |
| Inductance - Phase to Phase (mH) | 1.07 | 0.14 |
| Internal Resistance - Phase to Phase (Ohm) | 0.77 | 0.1 |
| Line to Line Resistance (Ohm) | 0.77 | 0.1 |
| Mechanical Time Constant (ms) | 7 | 6.1 |
| Motor Constant (mNm/W½) | 256.4 | 282.9 |
| Motor Constant (oz-in/W½) | 36.31 | 40.1 |
| Motor Regulation (10³/Nms) | 0.0152 | 0.0125 |
| Motor Speed, Max (rpm) | 5000 | 5000 |
| No-Load Current, Typical (mA) | 250 | 733 |
| No-Load Speed (rpm) | 2000 | 1922 |
| Nominal Voltage (V) | 48 | 18 |
| Optimization Direction | Symmetrical | Symmetrical |
| Rotor Inertia (gcm²) | 5083 | 5083 |
| Rotor Inertia (oz-in-sec² 10ˉ⁶) | 71981 | 71981 |
| Thermal Resistance (Slotless) (°C/W) | 3.5 | 3.5 |
| Thermal Time Constant (s) | 1.35 | 1.35 |
| Torque Constant (mNm/A) | 225 | 89.47 |
| Torque Constant (oz-in/A) | 31.86 | 12.67 |
| Weight (g) | 960 | 960 |
| Weight (oz) | 34 | 34 |
| Winding Temperature, Max (°C) | 125 | 125 |
| Winding Temperature, Max (°F) | 257 | 257 |
| Length (in) | 1.57 | 1.57 |
| Length (mm) | 40 | 40 |
| Feedback Type | Hall Sensors | Hall Sensors |
| Number of Poles | 22 pole | 22 pole |
| Document | Document Type | Language | File Type |
|---|---|---|---|
| drawing_90ecf.dxf | 2D Drawing |
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| specifications_90ecf.pdf | Specification Page |
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| drawing_90ecf.stp | 3D Drawing |
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| pr_90ecf_brushless_flat_motor_en.pdf | Press Release |
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| brochure_90ECF_brushless_slotted_flat_motor_en.pdf | Brochure |
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