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Technical Specifications
Last Updated: 2026-09-14Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | MG90S |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
30.55 oz-in
2.20 kg-cm
0.2 N-m
4.8V
25.00 oz-in
1.80 kg-cm
0.2 N-m
|
| Speed |
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
4.8V
0.10 sec/60°
600.0 deg/s
100.0 RPM
|
| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | 0.47 oz13.4 g |
| Dimensions |
L 0.90 in W 0.48 in H 1.12 in L 22.8 mm W 12.2 mm H 28.5 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 21 T estimate |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | 60° |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | 1 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | (add) |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | 0–55 °C32–131 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 250 mm9.84 in |
| Origin | |
| Country of Origin | (add) |
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 | 0.46–0.71 W |
| Torque Density | 1.8657 oz-in/g Stronger than 26% of the 219 Digital Mini servos in the database |
| Torque-to-Volume Ratio | 51.69 oz-in/in³ Denser torque than 24% of the 224 Digital Mini servos in the database |
| Power Density | 1.460 W/in³ More power-dense than 48% of the 425 Digital Mini servos in the database |
| Speed-to-Weight | 0.74627 (1/sec·g) Faster than 93% of the 220 Digital Mini servos in the database |
| Speed-Torque Trade-off | 2.50 Better balanced than 11% of the 223 Digital Mini servos in the database |
| Torque Gain per Volt | 18.50%/V More voltage-responsive (torque) than 69% of the 190 Digital Mini servos in the database |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 76% of the 190 Digital Mini servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 25% of the 288 Digital Mini servos in the database |
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Reviews (2)
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Skyhawk
February 1, 2016Application(s): T-rex 450SE V2
Comments: I replaced the Hi-Tec servos that came with the helo and they are quicker and more precise. Just make sure that you set the Tx frame rate to 11 Ms to get full advantage of the digital properties. Also, you can't beat the price.
waxxer
March 27, 2013Application(s): Fun Cub.
Comments: So far so good. Noisy as hell but faster and more precise for servos in the price range. In contrast I have had Hobbyking servos dead on arrival.