Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | RR-FHd9257mg |
| 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 | 0.92 oz26.0 gAverage |
| Dimensions |
L 1.42 in W 0.60 in H 1.13 in L 36.1 mm W 15.2 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° |
| Mechanical Limit | 180° |
| 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 |
| Wire Length | 250 mm9.84 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 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 44% of 505 Digital Mini servos |
| Running Current | Average Lower draw than 53% of 41 Digital Mini servos at 4.8V |
Performance Analysis
| Shaft Power | 1.28–1.65 W |
| Power Density | 1.715 W/in³ More power-dense than 49% of 482 Digital Mini servos |
| Torque Density | 2.1365 oz-in/g Stronger than 41% of 286 Digital Mini servos |
| Torque-to-Volume Ratio | 57.70 oz-in/in³ Denser torque than 31% of 288 Digital Mini servos |
| Speed-to-Weight | 0.48077 (1/sec·g) Faster than 78% of 289 Digital Mini servos |
| Speed-Torque Trade-off | 4.44 Better balanced than 26% of 288 Digital Mini servos |
| Torque Gain per Volt | 10.43%/V More voltage-responsive (torque) than 13% 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 |
Similar Active Servos
Reviews of Flash Hobby FH-D9257MG
Be the first to review!