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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BMS-A10S |
| 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 oz7.3 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 |
| Drivetrain | |
| Motor Type | Coreless |
| 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° |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 3.7–8.4 V |
| Power Source | 2S Li-Po / 2S Li-Fe |
| 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 33% 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 75% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.27–1.17 W |
| Power Density | 7.150 W/in³ More power-dense than 88% of 590 Digital Micro servos |
| Torque Density | 3.0438 oz-in/g Stronger than 71% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 135.31 oz-in/in³ Denser torque than 80% of 327 Digital Micro servos |
| Speed-to-Weight | 0.91324 (1/sec·g) Faster than 67% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 3.33 Better balanced than 55% of 327 Digital Micro servos |
| Torque Gain per Volt | 21.29%/V More voltage-responsive (torque) than 76% of 268 Digital Micro servos |
| Speed Gain per Volt | 24.31%/V More voltage-responsive (speed) than 82% of 273 Digital Micro servos |
| Voltage Range Width | 4.7 V Wider voltage range than 95% of 511 Digital Micro servos |
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