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Technical Specifications
Last Updated: 2026-10-22
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 / 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 70% of 142 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 24% of 140 Digital Low Profile servos at 4.8V |
| Weight | Average Lighter than 56% of 254 Digital Low Profile servos |
| Running Current | Average Lower draw than 41% of 23 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 220 Digital Low Profile servos |
| Torque Density | 3.6000 oz-in/g Stronger than 77% of 142 Digital Low Profile servos |
| Torque-to-Volume Ratio | 135.17 oz-in/in³ Denser torque than 72% of 142 Digital Low Profile servos |
| Speed-to-Weight | 0.18182 (1/sec·g) Faster than 35% of 140 Digital Low Profile servos |
| Speed-Torque Trade-off | 19.80 Better balanced than 74% of 139 Digital Low Profile servos |
| Torque Gain per Volt | 12.96%/V More voltage-responsive (torque) than 33% of 117 Digital Low Profile servos |
| Speed Gain per Volt | 14.07%/V More voltage-responsive (speed) than 50% of 118 Digital Low Profile servos |
| Voltage Range Width | 3.6 V Wider voltage range than 78% of 228 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 82% of 63 Digital Low Profile servos |
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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
- 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
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