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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | OMG-MR-18CF |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
25.00 oz-in
1.80 kg-cm
0.2 N-m
4.8V
22.00 oz-in
1.58 kg-cm
0.2 N-m
Below Average
|
| Speed |
6.0V
0.07 sec/60°
923.1 deg/s
153.8 RPM
4.8V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Above Average
|
| Physical | |
| Weight | 0.41 oz11.5 gAverage |
| Dimensions |
L 0.87 in W 0.44 in H 0.79 in L 22.1 mm W 11.2 mm H 20.1 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Copper |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| 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 | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | Water Resistant |
| Connectivity | |
| Connector | JST |
| Wire Length | 180 mm7.09 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 | Below Average Stronger than 31% of 328 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 87% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 43% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.58–0.71 W |
| Power Density | 2.352 W/in³ More power-dense than 57% of 590 Digital Micro servos |
| Torque Density | 1.9130 oz-in/g Stronger than 29% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 72.75 oz-in/in³ Denser torque than 51% of 327 Digital Micro servos |
| Speed-to-Weight | 1.24224 (1/sec·g) Faster than 79% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 1.54 Better balanced than 19% of 327 Digital Micro servos |
| Torque Gain per Volt | 11.36%/V More voltage-responsive (torque) than 18% of 268 Digital Micro servos |
| Speed Gain per Volt | 6.42%/V More voltage-responsive (speed) than 3% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 8% 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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