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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | OMG-MR-20CF |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
42.00 oz-in
3.02 kg-cm
0.3 N-m
7.4V
35.00 oz-in
2.52 kg-cm
0.2 N-m
6.0V
31.00 oz-in
2.23 kg-cm
0.2 N-m
4.8V
28.00 oz-in
2.02 kg-cm
0.2 N-m
Average
|
| Speed |
8.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
7.4V
0.06 sec/60°
1,090.9 deg/s
181.8 RPM
6.0V
0.07 sec/60°
923.1 deg/s
153.8 RPM
4.8V
0.07 sec/60°
833.3 deg/s
138.9 RPM
Above Average
|
| Physical | |
| Weight | 0.25 oz7.0 gAbove Average |
| Dimensions |
L 0.79 in W 0.31 in H 0.74 in L 20.1 mm W 7.9 mm H 18.8 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 20 T |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 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 | Water Resistant |
| Connectivity | |
| Connector | JST-ZH |
| Wire Length | 60 mm2.36 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 | Average Stronger than 54% of 328 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 86% of 328 Digital Micro servos at 4.8V |
| Weight | Above Average Lighter than 76% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.72–1.55 W |
| Power Density | 8.571 W/in³ More power-dense than 92% of 590 Digital Micro servos |
| Torque Density | 4.0000 oz-in/g Stronger than 88% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 154.50 oz-in/in³ Denser torque than 89% of 327 Digital Micro servos |
| Speed-to-Weight | 1.98413 (1/sec·g) Faster than 92% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 2.02 Better balanced than 28% of 327 Digital Micro servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 31% of 268 Digital Micro servos |
| Speed Gain per Volt | 12.22%/V More voltage-responsive (speed) than 19% of 273 Digital Micro servos |
| Voltage Range Width | 3.6 V Wider voltage range than 82% of 511 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 55% of 189 Digital Micro servos |
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