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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 9490MG-D |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
183.31 oz-in
13.20 kg-cm
1.3 N-m
7.4V
140.26 oz-in
10.10 kg-cm
1.0 N-m
6.0V
131.93 oz-in
9.50 kg-cm
0.9 N-m
4.8V
105.54 oz-in
7.60 kg-cm
0.7 N-m
Top 10%
|
| Speed |
8.4V
0.08 sec/60°
759.5 deg/s
126.6 RPM
7.4V
0.10 sec/60°
625.0 deg/s
104.2 RPM
6.0V
0.12 sec/60°
487.8 deg/s
81.3 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Below Average
|
| Physical | |
| Weight | 0.75 oz21.4 gBottom 10% |
| Dimensions |
L 0.91 in W 0.47 in H 1.06 in L 23.1 mm W 11.9 mm H 26.9 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | IP67 |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 250 mm9.84 in |
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 | Top 10% Stronger than 93% of 349 Digital Micro servos at 4.8V |
| Speed | Below Average Faster than 28% of 347 Digital Micro servos at 4.8V |
| Weight | Bottom 10% Lighter than 7% of 597 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.50–4.29 W |
| Power Density | 9.464 W/in³ More power-dense than 96% of 563 Digital Micro servos |
| Torque Density | 4.9318 oz-in/g Stronger than 92% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 232.79 oz-in/in³ Denser torque than 95% of 345 Digital Micro servos |
| Speed-to-Weight | 0.35945 (1/sec·g) Faster than 5% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 13.72 Better balanced than 98% of 345 Digital Micro servos |
| Torque Gain per Volt | 20.47%/V More voltage-responsive (torque) than 70% of 290 Digital Micro servos |
| Speed Gain per Volt | 17.94%/V More voltage-responsive (speed) than 53% of 295 Digital Micro servos |
| Voltage Range Width | 3.6 V Wider voltage range than 85% of 496 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 67% of 182 Digital Micro servos |
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