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Technical Specifications
Last Updated: 2026-10-23
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 | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| 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 51% of 363 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 88% of 361 Digital Micro servos at 4.8V |
| Weight | Above Average Lighter than 77% of 665 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.72–1.55 W |
| Power Density | 8.571 W/in³ More power-dense than 93% of 625 Digital Micro servos |
| Torque Density | 4.0000 oz-in/g Stronger than 87% of 363 Digital Micro servos |
| Torque-to-Volume Ratio | 154.50 oz-in/in³ Denser torque than 87% of 359 Digital Micro servos |
| Speed-to-Weight | 1.98413 (1/sec·g) Faster than 93% of 361 Digital Micro servos |
| Speed-Torque Trade-off | 2.02 Better balanced than 27% of 358 Digital Micro servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 26% of 302 Digital Micro servos |
| Speed Gain per Volt | 12.22%/V More voltage-responsive (speed) than 17% of 305 Digital Micro servos |
| Voltage Range Width | 3.6 V Wider voltage range than 82% of 553 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 58% of 220 Digital Micro servos |
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