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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM-04MDHV |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
22.22 oz-in
1.60 kg-cm
0.2 N-m
6.0V
18.05 oz-in
1.30 kg-cm
0.1 N-m
5.0V
11.80 oz-in
0.85 kg-cm
0.1 N-m
Bottom 10%
4.8V
11.80 oz-in
0.85 kg-cm
0.1 N-m
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
5.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Below Average
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
|
| Physical | |
| Weight | 0.21 oz6.0 gAbove Average |
| Dimensions |
L 0.78 in W 0.33 in H 0.83 in L 19.8 mm W 8.4 mm H 21.1 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Aluminum |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 5–7.4 V |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | None |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 150 mm5.91 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 | Bottom 10% Stronger than 9% of 349 Digital Micro servos at 5.0V |
| Speed | Below Average Faster than 22% of 347 Digital Micro servos at 5.0V |
| Weight | Above Average Lighter than 88% of 597 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.16–0.41 W |
| Power Density | 1.923 W/in³ More power-dense than 51% of 563 Digital Micro servos |
| Torque Density | 1.9667 oz-in/g Stronger than 28% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 55.23 oz-in/in³ Denser torque than 24% of 345 Digital Micro servos |
| Speed-to-Weight | 1.19048 (1/sec·g) Faster than 81% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 1.65 Better balanced than 17% of 345 Digital Micro servos |
| Torque Gain per Volt | 36.79%/V More voltage-responsive (torque) than 97% of 290 Digital Micro servos |
| Speed Gain per Volt | 16.66%/V More voltage-responsive (speed) than 38% of 295 Digital Micro servos |
| Voltage Range Width | 2.4 V Wider voltage range than 60% of 496 Digital Micro servos |
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