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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM-S4309R |
| Category | Robotics |
| Performance | |
| Torque |
6.0V
120.80 oz-in
8.70 kg-cm
0.9 N-m
4.8V
109.70 oz-in
7.90 kg-cm
0.8 N-m
Above Average
|
| Speed |
6.0V
0.17 sec/60°
352.9 deg/s
58.8 RPM
4.8V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Below Average
|
| Physical | |
| Weight | 1.98 oz56.0 gBelow Average |
| Shape | Boxed |
| Dimensions |
L 1.626 in W 0.807 in H 1.575 in L 41.3 mm W 20.5 mm H 40.0 mm |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Analog |
| Rotational Range | 360° |
| Mechanical Limit | No Limit |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) |
| 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 65% of 198 Analog Standard servos at 4.8V |
| Speed | Below Average Faster than 31% of 195 Analog Standard servos at 4.8V |
| Weight | Below Average Lighter than 23% of 447 Analog Standard servos |
Performance Analysis
| Shaft Power | 1.01–1.31 W |
| Power Density | 0.636 W/in³ More power-dense than 56% of 432 Analog Standard servos |
| Torque Density | 1.9589 oz-in/g Stronger than 61% of 198 Analog Standard servos |
| Torque-to-Volume Ratio | 53.08 oz-in/in³ Denser torque than 63% of 198 Analog Standard servos |
| Speed-to-Weight | 0.08929 (1/sec·g) Faster than 15% of 195 Analog Standard servos |
| Speed-Torque Trade-off | 21.94 Better balanced than 72% of 195 Analog Standard servos |
| Torque Gain per Volt | 8.43%/V More voltage-responsive (torque) than 21% of 156 Analog Standard servos |
| Speed Gain per Volt | 14.69%/V More voltage-responsive (speed) than 52% of 156 Analog Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 39% of 239 Analog Standard servos |
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