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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | A20BHS |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
144.40 oz-in
10.40 kg-cm
1.0 N-m
7.4V
127.80 oz-in
9.20 kg-cm
0.9 N-m
6.0V
108.30 oz-in
7.80 kg-cm
0.8 N-m
4.8V
90.30 oz-in
6.50 kg-cm
0.6 N-m
Above Average
|
| Speed |
8.4V
0.06 sec/60°
1,090.9 deg/s
181.8 RPM
7.4V
0.06 sec/60°
967.7 deg/s
161.3 RPM
6.0V
0.08 sec/60°
800.0 deg/s
133.3 RPM
4.8V
0.09 sec/60°
705.9 deg/s
117.6 RPM
Above Average
|
| Physical | |
| Weight | 0.74 oz21.0 gAbove Average |
| Dimensions |
L 0.91 in W 0.47 in H 1.08 in L 23.1 mm W 11.9 mm H 27.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Angle Sensor | Potentiometer |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | 15–70 °C59–158 °F |
| Certification | CE | ROHS |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 180 mm7.09 in |
| Origin | |
| Country of Origin | China |
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 79% of 290 Digital Mini servos at 4.8V |
| Speed | Above Average Faster than 79% of 293 Digital Mini servos at 4.8V |
| Weight | Above Average Lighter than 69% of 505 Digital Mini servos |
Performance Analysis
| Shaft Power | 1.96–4.85 W |
| Power Density | 10.510 W/in³ More power-dense than 99% of 482 Digital Mini servos |
| Torque Density | 4.3000 oz-in/g Stronger than 93% of 286 Digital Mini servos |
| Torque-to-Volume Ratio | 195.49 oz-in/in³ Denser torque than 94% of 288 Digital Mini servos |
| Speed-to-Weight | 0.56022 (1/sec·g) Faster than 88% of 289 Digital Mini servos |
| Speed-Torque Trade-off | 7.68 Better balanced than 56% of 288 Digital Mini servos |
| Torque Gain per Volt | 16.64%/V More voltage-responsive (torque) than 51% of 257 Digital Mini servos |
| Speed Gain per Volt | 15.15%/V More voltage-responsive (speed) than 38% of 262 Digital Mini servos |
| Voltage Range Width | 3.6 V Wider voltage range than 79% of 405 Digital Mini servos |
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