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Technical Specifications
Last Updated: 2026-07-28
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S3120 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
55.56 oz-in
4.00 kg-cm
0.4 N-m
6.0V
41.67 oz-in
3.00 kg-cm
0.3 N-m
|
| Speed |
7.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
|
| Running Current | (add) |
| Stall Current | 1.5–1.8 A1500–1800 mA |
| Physical | |
| Weight | 0.71 oz20.0 g |
| Dimensions |
L 0.91 in W 0.47 in H 1.15 in L 23.0 mm W 12.0 mm H 29.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 21 T |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | 1500 µs |
| Dead Band | 4 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| 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.
Performance Analysis
| Shaft Power | 0.96–1.71 W |
| Torque Density | 2.0835 oz-in/g Stronger than 34% of the 219 Digital Mini servos in the database |
| Torque-to-Volume Ratio | 85.12 oz-in/in³ Denser torque than 54% of the 224 Digital Mini servos in the database |
| Power Density | 3.498 W/in³ More power-dense than 79% of the 425 Digital Mini servos in the database |
| Speed-to-Weight | 0.62500 (1/sec·g) Faster than 90% of the 220 Digital Mini servos in the database |
| Speed-Torque Trade-off | 3.33 Better balanced than 16% of the 223 Digital Mini servos in the database |
| Current-per-Torque Ratio | 0.0432 A/oz-in More efficient than 23% of the 40 Digital Mini servos in the database |
| Torque Gain per Volt | 23.81%/V More voltage-responsive (torque) than 92% of the 190 Digital Mini servos in the database |
| Speed Gain per Volt | 23.81%/V More voltage-responsive (speed) than 90% of the 190 Digital Mini servos in the database |
| Voltage Range Width | 1.4 V Wider voltage range than 43% of the 288 Digital Mini servos in the database |
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