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High Efficiency DC Customized Brushes Coreless Universal Vibrate Motor
Company & Factory Appliance
Description
Basic Info.
| Model NO. | 8D820 |
| Certification | ISO9001 |
| Length of Motor Body | 20mm |
| Diameter | 8mm |
| Transport Package | Standard Export Carton |
| Specification | 8mm x L20 |
| Trademark | CHUNGFO |
| Origin | China |
| HS Code | 8501109990 |
| Production Capacity | 4 Million PCS/Month |
Product Description
| 8D Series φ8mm x L20 Precious Metal Brushes |
| Motor Paramter | Motor Model | |||||||||||
| Values at nominal voltage | 8D1NA-010011 | 8D1NA-011112 | 8D1NA-011011 | |||||||||
| 1 | Rated voltage | V | 3.0 | 3.0 | 3.0 | |||||||
| Free Load | 2 | No load speed | rpm | 45600 | 42300 | 42900 | ||||||
| 3 | No load current | mA | 153 | 136 | 135 | |||||||
| At Max. Efficiency | 4 | Max. efficiency | % | 67.00% | 68.00% | 68.00% | ||||||
| 5 | Speed | rpm | 38000 | 35900 | 36600 | |||||||
| 6 | Current | mA | 841 | 770 | 783 | |||||||
| 7 | Torque | g.cm | 4.26 | 4.26 | 4.28 | |||||||
| At Max. Output | 8 | Max. output | W | 3.24 | 3.07 | 3.22 | ||||||
| 9 | Speed | rpm | 22800 | 21100 | 21400 | |||||||
| 10 | Current | mA | 2389 | 2247 | 2342 | |||||||
| 11 | Torque | g.cm | 13.85 | 14.17 | 14.59 | |||||||
| At Stall | 12 | Stall current | A | 4624 | 4358 | 4550 | ||||||
| 13 | Stall torque | g.cm | 27.7 | 28.33 | 29.18 | |||||||
| Motor Constants | ||||||||||||
| 14 | Teminal resistance | Ω | 0.65 | 0.69 | 0.66 | |||||||
| 15 | Torque constant | g.cm/A | 6.194 | 6.711 | 6.609 | |||||||
| 16 | Speed constant | rpm/V | 15738 | 14543 | 14754 | |||||||
| 17 | Speed/Torque constant | rpm/g.cm | 1648 | 1491 | 1472 | |||||||
| Motor Characteristic | Typical Performance | ||||||||||||||||
| Thermal parameters | | ||||||||||||||||
| 18 | Ambient temperature | -20~+65 | ºC | ||||||||||||||
| 19 | Max. permissible winding temperature | 85 | ºC | ||||||||||||||
| Mechanical parameters | |||||||||||||||||
| 20 | Max. penmissible No-load speed | 4800 | rpm | ||||||||||||||
| 21 | Max. axial load(dynamic) | 0.15 | N | ||||||||||||||
| Other parameters | |||||||||||||||||
| 22 | Number of pole pairs | 1 | |||||||||||||||
| 23 | Number of commutator segments | 3~5 | |||||||||||||||
| 24 | Weight | 4.3 | g | ||||||||||||||
| Remarks | |||||||||||||||||
| 1 | Rotation direction, wire specification and performance parameters can be | ||||||||||||||||
| made according to customer's requirement. | |||||||||||||||||
| 2 | Motor can be mounted with various shapes and sizes of eccentric weight which | ||||||||||||||||
| is made of iron, brass or ferro-alloy to become vibration motor. | |||||||||||||||||
| 3 | Dimension with "*" in the drawing can be adjusted according to customer's requirement. | ||||||||||||||||
| 1g=0.035oz 1inch=25.4mm 1g.cm=0.098mN.m 1oz=28.35g 1mm=0.0394inch 1mN.m=10.2g.cm | |||||||||||||||||
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