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Technical Specifications
Last Updated: 2026-09-14
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SR311 |
| Category | Robotics |
| Performance | |
| Torque |
6.0V
52.78 oz-in
3.80 kg-cm
0.4 N-m
4.8V
43.06 oz-in
3.10 kg-cm
0.3 N-m
Above Average
|
| Speed |
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Average
|
| Physical | |
| Weight | 0.95 oz27.0 gBelow Average |
| Shape | Boxed |
| Dimensions |
L 1.232 in W 0.65 in H 1.126 in L 31.3 mm W 16.5 mm H 28.6 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Control System | PWM |
| Operating Modes | Position |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Certification | CE | RoHS |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 200 mm7.87 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 | Above Average Stronger than 80% of 80 Analog Mini servos at 4.8V |
| Speed | Average Faster than 46% of 81 Analog Mini servos at 4.8V |
| Weight | Below Average Lighter than 13% of 165 Analog Mini servos |
Performance Analysis
| Shaft Power | 0.57–0.81 W |
| Power Density | 0.902 W/in³ More power-dense than 57% of 163 Analog Mini servos |
| Torque Density | 1.5948 oz-in/g Stronger than 28% of 80 Analog Mini servos |
| Torque-to-Volume Ratio | 47.75 oz-in/in³ Denser torque than 39% of 80 Analog Mini servos |
| Speed-to-Weight | 0.26455 (1/sec·g) Faster than 23% of 81 Analog Mini servos |
| Speed-Torque Trade-off | 6.03 Better balanced than 67% of 80 Analog Mini servos |
| Torque Gain per Volt | 18.81%/V More voltage-responsive (torque) than 83% of 55 Analog Mini servos |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 40% of 56 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 14% of 88 Analog Mini servos |
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