Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-09-16
|
Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
Preferences are saved automatically.
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FS90 |
| Category | Hobby |
| Performance | |
| Torque |
4.8V18.10 oz-in1.30 kg-cm0.1 N-m |
| Speed |
4.8V0.12 sec/60°500.0 deg/s83.3 RPM |
| Running Current | (add) |
| Stall Current | 0.7–0.8 A700–800 mA |
| Physical | |
| Weight | 0.32 oz9.0 g |
| Dimensions |
L 0.91 in W 0.49 in H 0.87 in L 23.2 mm W 12.5 mm H 22.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Spline/Teeth | 21 T |
| Shaft Size | 4.9 mm |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Analog |
| Direction | Counterclockwise |
| Rotational Range | 120° |
| Mechanical Limit | 180° |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Dead Band | 8 µs |
| Refresh Rate | 50 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 5.000 A5,000 mA |
| Connectivity | |
| Connector | JR (Universal) |
| 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.
Performance Analysis
| Shaft Power | 0.28 W |
| Torque Density | 2.0111 oz-in/g Stronger than 43% of the 131 Analog Micro servos in the database |
| Torque-to-Volume Ratio | 46.53 oz-in/in³ Denser torque than 43% of the 131 Analog Micro servos in the database |
| Power Density | 0.717 W/in³ More power-dense than 30% of the 319 Analog Micro servos in the database |
| Speed-to-Weight | 0.92593 (1/sec·g) Faster than 43% of the 130 Analog Micro servos in the database |
| Speed-Torque Trade-off | 2.17 Better balanced than 56% of the 130 Analog Micro servos in the database |
| Current-per-Torque Ratio | 0.0442 A/oz-in More efficient than 65% of the 32 Analog Micro servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 36% of the 137 Analog Micro servos in the database |
| Dead-Band-to-Pulse-Width Ratio | 0.0067 Finer dead band than 4% of the 28 Analog Micro servos in the database |
Quick Actions
Similar Active Servos
Reviews of FeeTech FS90
Be the first to review!