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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM5520MD |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
281.27 oz-in
20.25 kg-cm
2.0 N-m
4.8V
248.08 oz-in
17.86 kg-cm
1.8 N-m
Average
|
| Speed |
6.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
4.8V
0.19 sec/60°
315.8 deg/s
52.6 RPM
Below Average
|
| Physical | |
| Weight | 2.12 oz60.0 gAverage |
| Dimensions |
L 1.59 in W 0.80 in H 1.57 in L 40.4 mm W 20.3 mm H 39.9 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Mechanical Limit | 180° |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | None |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 265 mm10.43 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 55% of 1043 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 12% of 1041 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 60% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.41–3.25 W |
| Power Density | 1.628 W/in³ More power-dense than 35% of 1759 Digital Standard servos |
| Torque Density | 4.1347 oz-in/g Stronger than 63% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 124.22 oz-in/in³ Denser torque than 53% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.08772 (1/sec·g) Faster than 21% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 47.13 Better balanced than 73% of 1031 Digital Standard servos |
| Torque Gain per Volt | 11.15%/V More voltage-responsive (torque) than 23% of 850 Digital Standard servos |
| Speed Gain per Volt | 15.62%/V More voltage-responsive (speed) than 51% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 9% of 1539 Digital Standard servos |
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