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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S3125 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
48.61 oz-in
3.50 kg-cm
0.3 N-m
6.0V
34.72 oz-in
2.50 kg-cm
0.2 N-m
Below Average
|
| Speed |
7.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Above Average
|
| Running Current |
7.4V
0.055 A
55 mA
6.0V
0.050 A
50 mA
Top 10%
|
| Stall Current | 1.5–1.8 A1500–1800 mAAverage |
| Physical | |
| Weight | 0.71 oz20.0 gAbove Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.146 in L 23.0 mm W 12.0 mm H 29.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 21 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 4 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -20–60 °C-4–140 °F |
| Idle Current | 0.020 A20 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 180 mm7.09 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 18% of 290 Digital Mini servos at 6.0V |
| Speed | Above Average Faster than 89% of 293 Digital Mini servos at 6.0V |
| Weight | Above Average Lighter than 75% of 505 Digital Mini servos |
| Running Current | Top 10% Lower draw than 100% of 41 Digital Mini servos at 6.0V |
| Stall Current | Average Lower draw than 48% of 94 Digital Mini servos |
Performance Analysis
| Shaft Power | 0.92–1.80 W |
| Power Density | 3.668 W/in³ More power-dense than 77% of 482 Digital Mini servos |
| Torque Density | 1.7360 oz-in/g Stronger than 25% of 286 Digital Mini servos |
| Torque-to-Volume Ratio | 70.85 oz-in/in³ Denser torque than 45% of 288 Digital Mini servos |
| Speed-to-Weight | 0.71429 (1/sec·g) Faster than 94% of 289 Digital Mini servos |
| Speed-Torque Trade-off | 2.43 Better balanced than 9% of 288 Digital Mini servos |
| Current-per-Torque Ratio | 0.0518 A/oz-in More efficient than 7% of 58 Digital Mini servos |
| Idle-to-Running Current Ratio | 0.400 Lower idle draw than 0% of 21 Digital Mini servos |
| No-Load vs Stall Current Spread | 36.00 Narrower current spread than 15% of 21 Digital Mini servos |
| Torque Gain per Volt | 28.58%/V More voltage-responsive (torque) than 94% of 257 Digital Mini servos |
| Speed Gain per Volt | 28.58%/V More voltage-responsive (speed) than 95% of 262 Digital Mini servos |
| Voltage Range Width | 1.4 V Wider voltage range than 41% of 405 Digital Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0040 Finer dead band than 3% of 104 Digital Mini servos |
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