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Technical Specifications
Last Updated: 2026-10-21
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CS238MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
63.89 oz-in
4.60 kg-cm
0.5 N-m
4.8V
55.56 oz-in
4.00 kg-cm
0.4 N-m
Above Average
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Below Average
|
| Running Current |
6.0V
0.400 A
400 mA
4.8V
0.300 A
300 mA
Below Average
|
| Physical | |
| Weight | 0.78 oz22.0 gAverage |
| Dimensions |
L 1.142 in W 0.512 in H 1.181 in L 29.0 mm W 13.0 mm H 30.0 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Rotational Range | 40° |
| Dead Band | 5 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 215 mm8.46 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 77 Analog Mini servos at 4.8V |
| Speed | Below Average Faster than 33% of 77 Analog Mini servos at 4.8V |
| Weight | Average Lighter than 39% of 161 Analog Mini servos |
| Running Current | Below Average Lower draw than 29% of 57 Mini servos at 4.8V |
Performance Analysis
| Shaft Power | 0.68–0.84 W |
| Power Density | 1.223 W/in³ More power-dense than 79% of 158 Analog Mini servos |
| Torque Density | 2.5255 oz-in/g Stronger than 86% of 77 Analog Mini servos |
| Torque-to-Volume Ratio | 80.51 oz-in/in³ Denser torque than 91% of 77 Analog Mini servos |
| Speed-to-Weight | 0.30303 (1/sec·g) Faster than 37% of 77 Analog Mini servos |
| Speed-Torque Trade-off | 8.33 Better balanced than 83% of 77 Analog Mini servos |
| Torque Gain per Volt | 12.49%/V More voltage-responsive (torque) than 33% of 58 Analog Mini servos |
| Speed Gain per Volt | 5.96%/V More voltage-responsive (speed) than 2% of 58 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 24% of 88 Analog Mini servos |
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