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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | A73CHLW-V2 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
444.40 oz-in
32.00 kg-cm
3.1 N-m
7.4V
402.73 oz-in
29.00 kg-cm
2.8 N-m
6.0V
361.07 oz-in
26.00 kg-cm
2.5 N-m
4.8V
305.00 oz-in
21.96 kg-cm
2.2 N-m
Above Average
|
| Speed |
8.4V
0.14 sec/60°
444.4 deg/s
74.1 RPM
7.4V
0.15 sec/60°
413.8 deg/s
69.0 RPM
6.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
4.8V
0.18 sec/60°
333.3 deg/s
55.6 RPM
Below Average
|
| Running Current |
8.4V
0.450 A
450 mA
7.4V
0.400 A
400 mA
6.0V
0.350 A
350 mA
4.8V
0.280 A
280 mA
Average
|
| Physical | |
| Weight | 2.59 oz73.5 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.476 in L 40.0 mm W 20.0 mm H 37.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| 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 | CCW |
| Rotational Range | 180° |
| Mechanical Limit | No Limit |
| Pulse Cycle | 3 ms |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Magnetic Encoder |
| 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 | IP67 |
| Certification | CE | ROHS | FCC |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 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 67% of 1043 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 17% of 1041 Digital Standard servos at 4.8V |
| Weight | Below Average Lighter than 23% of 1902 Digital Standard servos |
| Running Current | Average Lower draw than 48% of 173 Digital Standard servos at 4.8V |
Performance Analysis
| Shaft Power | 3.13–6.09 W |
| Power Density | 3.327 W/in³ More power-dense than 63% of 1759 Digital Standard servos |
| Torque Density | 4.1497 oz-in/g Stronger than 63% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 166.71 oz-in/in³ Denser torque than 70% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.07559 (1/sec·g) Faster than 10% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 54.91 Better balanced than 81% of 1031 Digital Standard servos |
| Torque Gain per Volt | 12.70%/V More voltage-responsive (torque) than 31% of 850 Digital Standard servos |
| Speed Gain per Volt | 9.26%/V More voltage-responsive (speed) than 14% of 871 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 78% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 70% of 468 Digital Standard servos |
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Weight: 73 grams
Dimensions: 1.57" x 0.79" x 1.43"
Size Class: Standard
Other Versions
This model has 1 other version. Only specs that differ are shown.
A73CHLW
Discontinued- Length 1.57 in
- Width 0.79 in
- Height 1.48 in
- Product Number A73CHLW
- Torque @ 6V 360.67 oz-in
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