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Technical Specifications
Last Updated: 2026-11-05
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | ES9251 |
| Category | Hobby |
| Performance | |
| Torque |
4.8V3.75 oz-in0.27 kg-cm0.0 N-m |
| Speed |
4.8V0.08 sec/60°750.0 deg/s125.0 RPM |
| Physical | |
| Weight | 0.09 oz2.5 gAbove Average |
| Dimensions |
L 0.71 in W 0.311 in H 0.661 in L 18.0 mm W 7.9 mm H 16.8 mm |
| Case Material | Plastic |
| Drivetrain | |
| Gears | Plastic |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Pulse Width | 1500-1900 µs |
| Neutral Position | 1500 µs |
| Electrical & Environment | |
| Operating Voltage | 4.5–6 V |
| Temperature | 0–55 °C32–131 °F |
| Connectivity | |
| Connector | JR |
| 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
| Weight | Above Average Lighter than 74% of 89 Digital Nano servos |
Performance Analysis
| Shaft Power | 0.09 W |
| Power Density | 0.594 W/in³ More power-dense than 11% of 81 Digital Nano servos |
| Torque Density | 1.5000 oz-in/g |
| Torque-to-Volume Ratio | 25.69 oz-in/in³ |
| Speed-to-Weight | 5.00000 (1/sec·g) |
| Speed-Torque Trade-off | 0.30 |
| Voltage Range Width | 1.5 V Wider voltage range than 45% of 77 Digital Nano servos |
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Reviews (194)
Includes 194 reviews aggregated from around the web.
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