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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | A20CLS |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
104.18 oz-in
7.50 kg-cm
0.7 N-m
7.4V
94.45 oz-in
6.80 kg-cm
0.7 N-m
6.0V
80.56 oz-in
5.80 kg-cm
0.6 N-m
4.8V
69.45 oz-in
5.00 kg-cm
0.5 N-m
Above Average
|
| Speed |
8.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
7.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Below Average
|
| Physical | |
| Weight | 0.74 oz21.0 gBottom 10% |
| 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 | Coreless |
| Motor Drive | FET |
| Gears | Copper |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | No Limit |
| 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 |
| Temperature | -15–70 °C5–158 °F |
| Certification | CE | ROHS | FCC |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 190 mm7.48 in |
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 89% of 328 Digital Micro servos at 4.8V |
| Speed | Below Average Faster than 26% of 328 Digital Micro servos at 4.8V |
| Weight | Bottom 10% Lighter than 8% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.99–2.41 W |
| Power Density | 5.213 W/in³ More power-dense than 80% of 590 Digital Micro servos |
| Torque Density | 3.3071 oz-in/g Stronger than 78% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 150.35 oz-in/in³ Denser torque than 87% of 327 Digital Micro servos |
| Speed-to-Weight | 0.36630 (1/sec·g) Faster than 4% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 9.03 Better balanced than 89% of 327 Digital Micro servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 33% of 268 Digital Micro servos |
| Speed Gain per Volt | 17.36%/V More voltage-responsive (speed) than 55% of 273 Digital Micro servos |
| Voltage Range Width | 3.6 V Wider voltage range than 82% of 511 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 57% of 189 Digital Micro servos |
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