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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SR518 |
| Category | Robotics |
| Performance | |
| Torque |
7.4V
240.25 oz-in
17.30 kg-cm
1.7 N-m
6.0V
201.37 oz-in
14.50 kg-cm
1.4 N-m
|
| Speed |
6.0V0.25 sec/60°240.0 deg/s40.0 RPM |
| Physical | |
| Weight | 2.65 oz75.0 gAverage |
| Shape | Boxed |
| Dimensions |
L 2.004 in W 1.406 in H 1.417 in L 50.9 mm W 35.7 mm H 36.0 mm |
| Drivetrain | |
| Gears | Metal |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 300° |
| Refresh Rate | 250 Hz |
| Control System | SerialBUS |
| Programmable | Yes |
| Operating Modes | Position, Continuous |
| Electrical & Environment | |
| Operating Voltage | 6.8–12 V |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Baud Rate | 500 Kbps |
| 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
| Weight | Average Lighter than 60% of 143 Digital Large servos |
Performance Analysis
| Shaft Power | 1.49 W |
| Power Density | 0.373 W/in³ More power-dense than 3% of 108 Digital Large servos |
| Torque Density | 2.6849 oz-in/g |
| Torque-to-Volume Ratio | 50.44 oz-in/in³ |
| Speed-to-Weight | 0.05333 (1/sec·g) |
| Speed-Torque Trade-off | 50.34 |
| Voltage Range Width | 5.2 V Wider voltage range than 76% of 131 Digital Large servos |
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