Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S2909 |
| Category | Hobby |
| Performance | |
| Torque |
7.2V
155.54 oz-in
11.20 kg-cm
1.1 N-m
6.0V
111.10 oz-in
8.00 kg-cm
0.8 N-m
Below Average
|
| Speed |
7.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Above Average
|
| Stall Current | 2.5–3 A2500–3000 mAAverage |
| Physical | |
| Weight | 2.54 oz72.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.549 in L 40.0 mm W 20.0 mm H 39.3 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Cycle | 20 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -10–50 °C14–122 °F |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | China |
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 21% of 1055 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 74% of 1038 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 30% of 1872 Digital Standard servos |
| Stall Current | Average Lower draw than 59% of 569 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.87 W |
| Power Density | 0.973 W/in³ More power-dense than 16% of 1762 Digital Standard servos |
| Torque Density | 1.5431 oz-in/g Stronger than 11% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 57.86 oz-in/in³ Denser torque than 19% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.12626 (1/sec·g) Faster than 60% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 12.22 Better balanced than 17% of 1029 Digital Standard servos |
| Current-per-Torque Ratio | 0.0270 A/oz-in More efficient than 15% of 330 Digital Standard servos |
| Speed Gain per Volt | 15.87%/V More voltage-responsive (speed) than 52% of 868 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 34% of 1552 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 33% of 501 Digital Standard servos |
Similar Active Servos
Reviews of CYS S2909
Be the first to review!