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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| 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
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 |
| 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 | 200° |
| 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 71% of 136 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 23% of 135 Digital Low Profile servos at 4.8V |
| Weight | Average Lighter than 55% of 251 Digital Low Profile servos |
| Running Current | Average Lower draw than 45% of 21 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 215 Digital Low Profile servos |
| Torque Density | 3.6000 oz-in/g Stronger than 79% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 135.17 oz-in/in³ Denser torque than 74% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.18182 (1/sec·g) Faster than 34% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 19.80 Better balanced than 74% of 134 Digital Low Profile servos |
| Torque Gain per Volt | 12.96%/V More voltage-responsive (torque) than 33% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 14.07%/V More voltage-responsive (speed) than 52% of 117 Digital Low Profile servos |
| Voltage Range Width | 3.6 V Wider voltage range than 77% of 223 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 83% of 60 Digital Low Profile servos |
Similar Active Servos
Yokomo SP-03D V2
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
- Water Rating IP67
- Certification CE
- Mechanical Limit 0
- Product Number A50BHLW
- Torque @ 4.8V 2499.7 oz-in
- Torque @ 6V 3081.6 oz-in
- Torque @ 7.4V 3470.1 oz-in
- Torque @ 8.4V 3664.7 oz-in
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