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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM0940MD |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
18.06 oz-in
1.30 kg-cm
0.1 N-m
7.4V
63.89 oz-in
4.60 kg-cm
0.5 N-m
6.0V
11.11 oz-in
0.80 kg-cm
0.1 N-m
5.0V
6.95 oz-in
0.50 kg-cm
0.0 N-m
Bottom 10%
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.11 sec/60°
545.5 deg/s
90.9 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
|
| Physical | |
| Weight | 0.46 oz13.0 gBelow Average |
| Dimensions |
L 0.92 in W 0.45 in H 0.84 in L 23.4 mm W 11.4 mm H 21.3 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 180° |
| Neutral Position | 1520 µs |
| Dead Band | 4 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Power Source | DC |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | None |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 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 2% of 328 Digital Micro servos at 5.0V |
| Speed | Below Average Faster than 20% of 328 Digital Micro servos at 5.0V |
| Weight | Below Average Lighter than 33% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.09–1.07 W |
| Power Density | 3.088 W/in³ More power-dense than 64% of 590 Digital Micro servos |
| Torque Density | 0.5346 oz-in/g Stronger than 0% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 19.99 oz-in/in³ Denser torque than 1% of 327 Digital Micro servos |
| Speed-to-Weight | 0.54945 (1/sec·g) Faster than 23% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 0.97 Better balanced than 9% of 327 Digital Micro servos |
| Torque Gain per Volt | 47.02%/V 1st-highest torque gain per volt of 268 Digital Micro servos |
| Speed Gain per Volt | 11.76%/V More voltage-responsive (speed) than 14% of 273 Digital Micro servos |
| Voltage Range Width | 3.4 V Wider voltage range than 74% of 511 Digital Micro servos |
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