Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FS4351M |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
59.80 oz-in
4.31 kg-cm
0.4 N-m
4.8V
48.70 oz-in
3.51 kg-cm
0.3 N-m
Average
|
| Speed |
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
4.8V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Physical | |
| Weight | 1.06 oz30.0 gBelow Average |
| Dimensions |
L 1.394 in W 0.594 in H 1.189 in L 35.4 mm W 15.1 mm H 30.2 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 120° |
| Pulse Width | 900-2100 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 200 mm7.87 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 39% of 284 Digital Mini servos at 4.8V |
| Speed | Above Average Faster than 83% of 288 Digital Mini servos at 4.8V |
| Weight | Below Average Lighter than 28% of 490 Digital Mini servos |
Performance Analysis
| Shaft Power | 1.13–1.84 W |
| Power Density | 1.872 W/in³ More power-dense than 54% of 468 Digital Mini servos |
| Torque Density | 1.6233 oz-in/g Stronger than 20% of 280 Digital Mini servos |
| Torque-to-Volume Ratio | 49.47 oz-in/in³ Denser torque than 20% of 282 Digital Mini servos |
| Speed-to-Weight | 0.41667 (1/sec·g) Faster than 65% of 284 Digital Mini servos |
| Speed-Torque Trade-off | 3.90 Better balanced than 24% of 282 Digital Mini servos |
| Torque Gain per Volt | 18.99%/V More voltage-responsive (torque) than 69% of 252 Digital Mini servos |
| Speed Gain per Volt | 27.78%/V More voltage-responsive (speed) than 94% of 258 Digital Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 21% of 396 Digital Mini servos |
Similar Active Servos
Reviews of FeeTech FS4351M
Be the first to review!