Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FS90MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
25.00 oz-in
1.80 kg-cm
0.2 N-m
4.8V
20.90 oz-in
1.50 kg-cm
0.1 N-m
Below Average
|
| Speed |
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Average
|
| Running Current |
6.0V0.220 A220 mA |
| Stall Current | ≤0.8 A≤800 mAAverage |
| Physical | |
| Weight | 0.44 oz12.5 gAverage |
| Dimensions |
L 0.886 in W 0.476 in H 1.051 in L 22.5 mm W 12.1 mm H 26.7 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Copper |
| Gear Spline/Teeth | 21 T |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Direction | Bidirectional |
| Rotational Range | 180° |
| Mechanical Limit | 180° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -1–70 °C30.2–158 °F |
| Idle Current | 0.005 A5 mA |
| 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 | Below Average Stronger than 29% of 328 Digital Micro servos at 4.8V |
| Speed | Average Faster than 43% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 38% of 620 Digital Micro servos |
| Stall Current | Average Lower draw than 56% of 194 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.32–0.46 W |
| Power Density | 1.043 W/in³ More power-dense than 18% of 590 Digital Micro servos |
| Torque Density | 1.6720 oz-in/g Stronger than 17% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 47.15 oz-in/in³ Denser torque than 18% of 327 Digital Micro servos |
| Speed-to-Weight | 0.66667 (1/sec·g) Faster than 39% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 2.51 Better balanced than 38% of 327 Digital Micro servos |
| Current-per-Torque Ratio | 0.0383 A/oz-in More efficient than 58% of 85 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.023 |
| No-Load vs Stall Current Spread | 3.64 |
| Torque Gain per Volt | 16.35%/V More voltage-responsive (torque) than 43% of 268 Digital Micro servos |
| Speed Gain per Volt | 16.67%/V More voltage-responsive (speed) than 47% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 29% of 511 Digital Micro servos |
Similar Active Servos
Reviews of FeeTech FS90MG
Be the first to review!