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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | OMG-A3-25BM |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
331.00 oz-in
23.83 kg-cm
2.3 N-m
6.0V
306.00 oz-in
22.03 kg-cm
2.2 N-m
4.8V
257.00 oz-in
18.51 kg-cm
1.8 N-m
Average
|
| Speed |
7.4V
0.05 sec/60°
1,276.6 deg/s
212.8 RPM
6.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
4.8V
0.07 sec/60°
923.1 deg/s
153.8 RPM
Top 10%
|
| Physical | |
| Weight | 2.19 oz62.0 gAverage |
| Dimensions |
L 1.57 in W 0.79 in H 1.57 in L 39.9 mm W 20.1 mm H 39.9 mm |
| Case Material | Metal / Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Stainless steel |
| 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 |
| Refresh Rate | 333 Hz |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–7.4 V |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | Water Resistant |
| Connectivity | |
| Wire Length | 265 mm10.43 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 59% of 1043 Digital Standard servos at 4.8V |
| Speed | Top 10% Faster than 92% of 1041 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 51% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 7.31–13.02 W |
| Power Density | 6.687 W/in³ More power-dense than 89% of 1759 Digital Standard servos |
| Torque Density | 4.1452 oz-in/g Stronger than 63% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 131.98 oz-in/in³ Denser torque than 57% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.24814 (1/sec·g) Faster than 90% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 16.70 Better balanced than 30% of 1031 Digital Standard servos |
| Torque Gain per Volt | 11.07%/V More voltage-responsive (torque) than 23% of 850 Digital Standard servos |
| Speed Gain per Volt | 14.73%/V More voltage-responsive (speed) than 46% of 871 Digital Standard servos |
| Voltage Range Width | 2.6 V Wider voltage range than 65% of 1539 Digital Standard servos |
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