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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | A80BHM-H |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
528.00 oz-in
38.02 kg-cm
3.7 N-m
7.4V
473.00 oz-in
34.06 kg-cm
3.3 N-m
6.0V
403.00 oz-in
29.02 kg-cm
2.8 N-m
4.8V
320.00 oz-in
23.04 kg-cm
2.3 N-m
Above Average
|
| Speed |
8.4V
0.09 sec/60°
705.9 deg/s
117.6 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.15 sec/60°
413.8 deg/s
69.0 RPM
Average
|
| Running Current |
8.4V
0.400 A
400 mA
7.4V
0.350 A
350 mA
6.0V
0.300 A
300 mA
4.8V
0.280 A
280 mA
Average
|
| Physical | |
| Weight | 2.79 oz79.0 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.46 in L 39.9 mm W 20.1 mm H 37.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gears | Titanium / Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Triple Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | 220° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -15–70 °C5–158 °F |
| Certification | CE | ROHS | FCC |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 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 | Above Average Stronger than 72% of 1060 Digital Standard servos at 4.8V |
| Speed | Average Faster than 45% of 1045 Digital Standard servos at 4.8V |
| Weight | Below Average Lighter than 13% of 1880 Digital Standard servos |
| Running Current | Average Lower draw than 42% of 226 Digital Standard servos at 4.8V |
Performance Analysis
| Shaft Power | 4.08–11.49 W |
| Power Density | 6.343 W/in³ More power-dense than 87% of 1768 Digital Standard servos |
| Torque Density | 4.0506 oz-in/g Stronger than 63% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 176.71 oz-in/in³ Denser torque than 76% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.08730 (1/sec·g) Faster than 21% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 46.40 Better balanced than 72% of 1034 Digital Standard servos |
| Torque Gain per Volt | 18.06%/V More voltage-responsive (torque) than 69% of 873 Digital Standard servos |
| Speed Gain per Volt | 19.61%/V More voltage-responsive (speed) than 77% of 874 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 78% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 69% of 504 Digital Standard servos |
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