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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KDS-N290 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
25.00 oz-in
1.80 kg-cm
0.2 N-m
4.8V
19.45 oz-in
1.40 kg-cm
0.1 N-m
Below Average
|
| Speed |
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
4.8V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Physical | |
| Weight | 0.40 oz11.2 gAverage |
| Dimensions |
L 0.945 in W 0.472 in H 0.945 in L 24.0 mm W 12.0 mm H 24.0 mm |
| Drivetrain | |
| Gears | Metal |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | 20–60 °C68–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 240 mm9.45 in |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Torque | Below Average Stronger than 26% of 328 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 73% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 44% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.40–0.66 W |
| Power Density | 1.567 W/in³ More power-dense than 43% of 590 Digital Micro servos |
| Torque Density | 1.7366 oz-in/g Stronger than 19% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 46.14 oz-in/in³ Denser torque than 17% of 327 Digital Micro servos |
| Speed-to-Weight | 0.99206 (1/sec·g) Faster than 71% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 1.75 Better balanced than 22% of 327 Digital Micro servos |
| Torque Gain per Volt | 23.78%/V More voltage-responsive (torque) than 85% of 268 Digital Micro servos |
| Speed Gain per Volt | 23.80%/V More voltage-responsive (speed) than 78% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 32% of 511 Digital Micro servos |
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Reviews (1)
-
Szczepan
January 26, 2015Application(s): Haikong Zlin50L 25E, Techone Swift 3D, small robots
Comments: Really good servos, lightweight and strong, great performance for small stunt airplanes. Used in a small robotic arm perform much better than cheaper servos.