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Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S2915 |
| Category | Hobby |
| Performance | |
| Torque |
7.2V
277.75 oz-in
20.00 kg-cm
2.0 N-m
6.0V
233.31 oz-in
16.80 kg-cm
1.6 N-m
Average
|
| Speed |
7.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Above Average
|
| Running Current |
7.4V
0.100 A
100 mA
6.0V
0.080 A
80 mA
Top 10%
|
| Stall Current | 2.7–3.1 A2700–3100 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 |
| Water Rating | Waterproof |
| Idle Current | 0.020 A20 mA |
| 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 | Average Stronger than 53% of 1055 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 67% of 1038 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 30% of 1872 Digital Standard servos |
| Running Current | Top 10% Lower draw than 99% of 226 Digital Standard servos at 6.0V |
| Stall Current | Average Lower draw than 54% of 569 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.59 W |
| Power Density | 1.872 W/in³ More power-dense than 41% of 1762 Digital Standard servos |
| Torque Density | 3.2404 oz-in/g Stronger than 46% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 121.51 oz-in/in³ Denser torque than 53% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.11574 (1/sec·g) Faster than 52% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 28.00 Better balanced than 48% of 1029 Digital Standard servos |
| Current-per-Torque Ratio | 0.0133 A/oz-in More efficient than 57% of 330 Digital Standard servos |
| Idle-to-Running Current Ratio | 0.250 Lower idle draw than 14% of 167 Digital Standard servos |
| No-Load vs Stall Current Spread | 38.75 Narrower current spread than 25% of 179 Digital Standard servos |
| Speed Gain per Volt | 6.50%/V More voltage-responsive (speed) than 3% 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 32% of 501 Digital Standard servos |
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