Micro Brushless Aircraft DC Motor 4mm x 8mm 1.5V-4.5V
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Prices updated: 13 Oct 2026
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About this product
A miniature DC motor with a 4 mm body diameter, 8 mm body length (excluding shaft) and a 0.6 mm shaft, made for micro aircraft and small hobby models. It is rated for 1.5 V to 4.5 V, and the listing gives about 10000 rpm at 1.5 V with a 20 mA test current.
Specifications
- Dimensions
- 4 mm x 8 mm
- Body diameter
- 4 mm
- Body length (excluding shaft)
- 8 mm
- Shaft diameter
- 0.6 mm
- Shaft length
- 2 mm
- Rated voltage
- 1.5V-4.5V
- Speed (at 1.5V, 20mA test)
- 10000 rpm
Frequently asked questions
What supply voltage should I use?
Stay within the rated 1.5 V to 4.5 V range. The listed speed is measured at 1.5 V and 20 mA, so the speed will differ at other voltages and loads.
Can I drive it directly from a microcontroller pin?
Only for very light loads. Switch it through a transistor or MOSFET driven by the microcontroller, and place a flyback diode across the motor terminals, which is standard practice for DC motors.
