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Technical Specifications
Last Updated: 2026-10-22| Identity | |
| Brand |  |
| Product Number | A50BHL |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
264.00 oz-in
19.01 kg-cm
1.9 N-m
7.4V
250.00 oz-in
18.00 kg-cm
1.8 N-m
6.0V
222.00 oz-in
15.99 kg-cm
1.6 N-m
4.8V
180.00 oz-in
12.96 kg-cm
1.3 N-m
Above Average
|
| Speed |
8.4V
0.07 sec/60°
821.9 deg/s
137.0 RPM
7.4V
0.08 sec/60°
722.9 deg/s
120.5 RPM
6.0V
0.10 sec/60°
631.6 deg/s
105.3 RPM
4.8V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Below Average
|
| Running Current |
8.4V
0.480 A
480 mA
7.4V
0.430 A
430 mA
6.0V
0.380 A
380 mA
4.8V
0.320 A
320 mA
Below Average
|
| Physical | |
| Weight | 1.76 oz50.0 gAverage |
| Dimensions |
L 1.606 in W 0.795 in H 1.043 in L 40.8 mm W 20.2 mm H 26.5 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Shaft Size | 5.9 mm |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | 220° |
| Pulse Cycle | 3 ms |
| 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 |
| Power Source | 2S LiPo |
| Regulator Type | Direct |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | None |
| Certification | CE | ROHS | FCC |
| 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 66% of 186 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 30% of 183 Digital Low Profile servos at 4.8V |
| Weight | Average Lighter than 60% of 304 Digital Low Profile servos |
| Running Current | Below Average Lower draw than 31% of 27 Digital Low Profile servos at 4.8V |
Performance Analysis
| Shaft Power | 3.03–6.69 W |
| Power Density | 5.021 W/in³ More power-dense than 65% of 273 Digital Low Profile servos |
| Torque Density | 3.6000 oz-in/g Stronger than 74% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 135.17 oz-in/in³ Denser torque than 66% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.18182 (1/sec·g) Faster than 39% of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 19.80 Better balanced than 69% of 183 Digital Low Profile servos |
| Torque Gain per Volt | 12.96%/V More voltage-responsive (torque) than 31% of 164 Digital Low Profile servos |
| Speed Gain per Volt | 14.07%/V More voltage-responsive (speed) than 47% of 163 Digital Low Profile servos |
| Voltage Range Width | 3.6 V Wider voltage range than 79% of 276 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 76% of 79 Digital Low Profile servos |
Similar Active Servos
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Weight: 49 grams
Dimensions: 1.6063" x 0.795276" x 1.02756"
Size Class: Low Profile
Other Versions
This model has 1 other version. Only specs that differ are shown.
A50BHLW Waterproof
- Weight 51 g
- Case Material Aluminum
- Water Rating IP67
- Certification CE
- Mechanical Limit 0
- Product Number A50BHLW
- Torque @ 4.8V 249.97 oz-in
- Torque @ 6V 308.16 oz-in
- Torque @ 7.4V 347.01 oz-in
- Torque @ 8.4V 366.47 oz-in
Reviews (256)
Includes 256 reviews aggregated from around the web.
There are few reviews for this servo on the web. Reddit users call it a great servo for the price that comes with a programmer, and one recommends settings for drifting. Another owner found that a drift firmware felt jittery with his gyro until he reverted to an older firmware.
Be the first to review!