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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SB2038 |
| 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
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
|
| 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 | |
| Gears | Metal |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 40° |
| Dead Band | 3 µs |
| Angle Sensor | Potentiometer |
| Control System | SBUS |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Certification | CE | ROHS | Reach | ISO9001 |
| Connectivity | |
| Connector | Futaba J |
| 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 | Average Stronger than 49% of 262 Digital Mini servos at 4.8V |
| Speed | Below Average Faster than 25% of 263 Digital Mini servos at 4.8V |
| Weight | Average Lighter than 64% of 466 Digital Mini servos |
Performance Analysis
| Shaft Power | 0.68–0.84 W |
| Power Density | 1.223 W/in³ More power-dense than 32% of 440 Digital Mini servos |
| Torque Density | 2.5255 oz-in/g Stronger than 57% of 258 Digital Mini servos |
| Torque-to-Volume Ratio | 80.51 oz-in/in³ Denser torque than 51% of 262 Digital Mini servos |
| Speed-to-Weight | 0.30303 (1/sec·g) Faster than 44% of 259 Digital Mini servos |
| Speed-Torque Trade-off | 8.33 Better balanced than 58% of 261 Digital Mini servos |
| Torque Gain per Volt | 12.49%/V More voltage-responsive (torque) than 19% of 232 Digital Mini servos |
| Speed Gain per Volt | 5.96%/V More voltage-responsive (speed) than 4% of 235 Digital Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 12% of 351 Digital Mini servos |
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