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Technical Specifications
Last Updated: 2026-09-13
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SR431 |
| Category | Robotics |
| Performance | |
| Torque |
6.0V
201.40 oz-in
14.50 kg-cm
1.4 N-m
4.8V
169.50 oz-in
12.21 kg-cm
1.2 N-m
Above Average
|
| Speed |
6.0V
0.18 sec/60°
333.3 deg/s
55.6 RPM
4.8V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Below Average
|
| Physical | |
| Weight | 2.19 oz62.0 gBottom 10% |
| Shape | Boxed |
| Dimensions |
L 1.654 in W 0.807 in H 1.555 in L 42.0 mm W 20.5 mm H 39.5 mm |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Standard |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Analog |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | Futaba J |
| Wire Length | 270 mm10.63 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 89% of 194 Analog Standard servos at 4.8V |
| Speed | Below Average Faster than 29% of 191 Analog Standard servos at 4.8V |
| Weight | Bottom 10% Lighter than 8% of 452 Analog Standard servos |
Performance Analysis
| Shaft Power | 1.57–2.07 W |
| Power Density | 0.997 W/in³ More power-dense than 78% of 440 Analog Standard servos |
| Torque Density | 2.7339 oz-in/g Stronger than 83% of 194 Analog Standard servos |
| Torque-to-Volume Ratio | 81.66 oz-in/in³ Denser torque than 85% of 194 Analog Standard servos |
| Speed-to-Weight | 0.08065 (1/sec·g) Faster than 12% of 191 Analog Standard servos |
| Speed-Torque Trade-off | 33.90 Better balanced than 91% of 191 Analog Standard servos |
| Torque Gain per Volt | 15.68%/V More voltage-responsive (torque) than 50% of 146 Analog Standard servos |
| Speed Gain per Volt | 9.25%/V More voltage-responsive (speed) than 9% of 147 Analog Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 37% of 234 Analog Standard servos |
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