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Technical Specifications
Last Updated: 2026-10-10
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 262 Digital Mini servos at 4.8V |
| Speed | Above Average Faster than 82% of 263 Digital Mini servos at 4.8V |
| Weight | Average Lighter than 52% of 466 Digital Mini servos |
| Running Current | Average Lower draw than 48% of 28 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 56% of 440 Digital Mini servos |
| Torque Density | 2.2220 oz-in/g Stronger than 42% of 258 Digital Mini servos |
| Torque-to-Volume Ratio | 59.51 oz-in/in³ Denser torque than 32% of 262 Digital Mini servos |
| Speed-to-Weight | 0.50000 (1/sec·g) Faster than 81% of 259 Digital Mini servos |
| Speed-Torque Trade-off | 4.44 Better balanced than 25% of 261 Digital Mini servos |
| Torque Gain per Volt | 10.43%/V More voltage-responsive (torque) than 11% of 232 Digital Mini servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 21% of 235 Digital Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 4% of 351 Digital Mini servos |
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