The RS-390 High Speed DC Motor 21000 RPM is a compact, versatile brushed motor (approx. 28mm dia, 47mm long) with a wide voltage range (typically 3V-12V) offering speeds from ~4,000 to over 21,000 RPM. This motor offers smooth operation with reliable output, making it suitable for learning, testing, and light mechanical tasks. The RS-390 High Speed DC Motor 21000 RPM is used in RC cars, robotics, and DIY projects, featuring carbon brushes. Carefully selected and quality-checked by StemVolt for consistent results and long-lasting use.
Related Product:
- RS-385 DC Motor
- Mini Drill Chuck for DC Motor
Specifications:
| Parameter | Details |
|---|---|
| Motor Type | Brushed DC Motor |
| Rated Voltage | 3-12V |
| Speed | 21000 RPM |
| Operating Current | Â ~0.2A – 1.0A |
| Dimensions(D x L) | 28 x 48 mm |
| Model | RS-390 |
| Shaft (D x L) | 2.3 x 12 mm |
| Stall Current | Around 1.5A – 2.5A |
Features:
-
High speed output up to 21000 RPM
-
Compact and lightweight design
- Easy to mount in DIY setups
-
Suitable for students and makers
Package Includes:
1 × RS-390 High Speed DC Motor 21000 RPM


















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