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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S3125 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
48.62 oz-in
3.50 kg-cm
0.3 N-m
Average
4.8V
34.73 oz-in
2.50 kg-cm
0.2 N-m
|
| Speed |
6.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
Top 10%
4.8V
0.07 sec/60°
857.1 deg/s
142.9 RPM
|
| Running Current |
7.4V
0.055 A
55 mA
6.0V
0.050 A
50 mA
Top 10%
|
| Stall Current | 1.6–2 A1600–2000 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 | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -10–50 °C14–122 °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 | Average Stronger than 37% of 262 Digital Mini servos at 6.0V |
| Speed | Top 10% Faster than 97% of 263 Digital Mini servos at 6.0V |
| Weight | Above Average Lighter than 72% of 466 Digital Mini servos |
| Running Current | Top 10% Lower draw than 96% of 28 Digital Mini servos at 6.0V |
| Stall Current | Average Lower draw than 49% of 76 Digital Mini servos |
Performance Analysis
| Shaft Power | 0.92–1.80 W |
| Power Density | 3.669 W/in³ More power-dense than 79% of 440 Digital Mini servos |
| Torque Density | 2.4310 oz-in/g Stronger than 52% of 258 Digital Mini servos |
| Torque-to-Volume Ratio | 99.21 oz-in/in³ Denser torque than 69% of 262 Digital Mini servos |
| Speed-to-Weight | 1.00000 (1/sec·g) 5th-highest speed-to-weight of 259 Digital Mini servos |
| Speed-Torque Trade-off | 2.43 Better balanced than 10% of 261 Digital Mini servos |
| Current-per-Torque Ratio | 0.0411 A/oz-in More efficient than 25% of 52 Digital Mini servos |
| Idle-to-Running Current Ratio | 0.400 Lower idle draw than 5% of 44 Cys servos |
| No-Load vs Stall Current Spread | 40.00 Narrower current spread than 16% of 44 Cys servos |
| Voltage Range Width | 1.4 V Wider voltage range than 42% of 351 Digital Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 34% of 77 Digital Mini servos |
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