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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BMS-A10H |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
44.45 oz-in
3.20 kg-cm
0.3 N-m
7.4V
40.28 oz-in
2.90 kg-cm
0.3 N-m
6.0V
33.34 oz-in
2.40 kg-cm
0.2 N-m
3.7V
22.22 oz-in
1.60 kg-cm
0.2 N-m
Below Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
3.7V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Below Average
|
| Physical | |
| Weight | 0.26 oz7.4 gAbove Average |
| Dimensions |
L 0.866 in W 0.315 in H 0.602 in L 22.0 mm W 8.0 mm H 15.3 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | FET |
| Gears | Metal |
| Gear Spline/Teeth | 19 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 90° |
| Mechanical Limit | 90° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 1100-1900 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 3.7–8.4 V |
| Power Source | 2S LiPo |
| Temperature | -20–60 °C-4–140 °F |
| Idle Current | 2.000 A2,000 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 150 mm5.91 in |
| Origin | |
| Country of Origin | Taiwan |
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 34% of 328 Digital Micro servos at 3.7V |
| Speed | Below Average Faster than 16% of 328 Digital Micro servos at 3.7V |
| Weight | Above Average Lighter than 74% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.27–1.17 W |
| Power Density | 7.150 W/in³ More power-dense than 89% of 590 Digital Micro servos |
| Torque Density | 3.0027 oz-in/g Stronger than 71% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 135.31 oz-in/in³ Denser torque than 81% of 327 Digital Micro servos |
| Speed-to-Weight | 0.90090 (1/sec·g) Faster than 65% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 3.33 Better balanced than 56% of 327 Digital Micro servos |
| Torque Gain per Volt | 21.29%/V More voltage-responsive (torque) than 77% of 268 Digital Micro servos |
| Speed Gain per Volt | 24.31%/V More voltage-responsive (speed) than 83% of 273 Digital Micro servos |
| Voltage Range Width | 4.7 V Wider voltage range than 96% of 511 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0025 Finer dead band than 15% of 189 Digital Micro servos |
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