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Technical Specifications
Last Updated: 2026-09-14
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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 | 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
|
| 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
|
| Running Current | (add) |
| Stall Current | (add) |
| Rated Output Power | (add) |
| Radial Load | (add) |
| Physical | |
| Weight | 0.95 oz27.0 g |
| Shape | Boxed |
| Dimensions |
L 1.23 in W 0.65 in H 1.13 in L 31.3 mm W 16.5 mm H 28.6 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Brushed |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Ratio | (add) |
| Gear Spline/Teeth | (add) |
| Shaft Size | (add) |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Rotational Range | 180° |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | 500-2500 µs |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Resolution | (add) |
| MCU | (add) |
| Operating Modes | Position |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | CE | RoHS |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 200 mm7.87 in |
| Baud Rate | (add) |
| 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 | 0.57–0.81 W |
| Torque Density | 1.5948 oz-in/g Stronger than 26% of the 67 Analog Mini servos in the database |
| Torque-to-Volume Ratio | 47.75 oz-in/in³ Denser torque than 36% of the 67 Analog Mini servos in the database |
| Power Density | 0.902 W/in³ More power-dense than 58% of the 166 Analog Mini servos in the database |
| Speed-to-Weight | 0.26455 (1/sec·g) Faster than 20% of the 67 Analog Mini servos in the database |
| Speed-Torque Trade-off | 6.03 Better balanced than 67% of the 67 Analog Mini servos in the database |
| Torque Gain per Volt | 18.81%/V More voltage-responsive (torque) than 78% of the 46 Analog Mini servos in the database |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 39% of the 47 Analog Mini servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 14% of the 77 Analog Mini servos in the database |
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