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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FH-D9257 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
62.50 oz-in
4.50 kg-cm
0.4 N-m
4.8V
55.55 oz-in
4.00 kg-cm
0.4 N-m
Average
|
| Speed |
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
4.8V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Running Current |
6.0V
0.210 A
210 mA
4.8V
0.180 A
180 mA
Average
|
| Physical | |
| Weight | 0.88 oz25.0 gAverage |
| Dimensions |
L 1.40 in W 0.59 in H 1.13 in L 35.6 mm W 15.0 mm H 28.7 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | FET |
| Gears | Plastic |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1500 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 |
| 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 48% of 290 Digital Mini servos at 4.8V |
| Speed | Above Average Faster than 82% of 293 Digital Mini servos at 4.8V |
| Weight | Average Lighter than 52% of 505 Digital Mini servos |
| Running Current | Average Lower draw than 50% of 41 Digital Mini servos at 4.8V |
Performance Analysis
| Shaft Power | 1.28–1.65 W |
| Power Density | 1.769 W/in³ More power-dense than 51% of 482 Digital Mini servos |
| Torque Density | 2.2220 oz-in/g Stronger than 46% of 286 Digital Mini servos |
| Torque-to-Volume Ratio | 59.51 oz-in/in³ Denser torque than 34% of 288 Digital Mini servos |
| Speed-to-Weight | 0.50000 (1/sec·g) Faster than 81% of 289 Digital Mini servos |
| Speed-Torque Trade-off | 4.44 Better balanced than 25% of 288 Digital Mini servos |
| Torque Gain per Volt | 10.43%/V More voltage-responsive (torque) than 12% of 257 Digital Mini servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 22% of 262 Digital Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 4% of 405 Digital Mini servos |
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