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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS-S020A-C |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
444.48 oz-in
32.01 kg-cm
3.1 N-m
6.0V
347.25 oz-in
25.00 kg-cm
2.5 N-m
Above Average
|
| Speed |
7.4V
0.17 sec/60°
352.9 deg/s
58.8 RPM
6.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Bottom 10%
|
| Running Current |
7.4V
0.180 A
180 mA
6.0V
0.150 A
150 mA
Above Average
|
| Stall Current | ≤4 A≤4000 mAAverage |
| Physical | |
| Weight | 2.57 oz73.0 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.744 in L 39.9 mm W 20.1 mm H 44.3 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Cored |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | 360° |
| Pulse Width | 500-2500 µs |
| Dead Band | 4 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Waterproof |
| Certification | FCC | CE | ROHS | REACH | EMC |
| Idle Current | 0.020 A20 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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 78% of 1060 Digital Standard servos at 6.0V |
| Speed | Bottom 10% Faster than 9% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 26% of 1880 Digital Standard servos |
| Running Current | Above Average Lower draw than 68% of 226 Digital Standard servos at 6.0V |
| Stall Current | Average Lower draw than 38% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.21–4.83 W |
| Power Density | 2.235 W/in³ More power-dense than 49% of 1768 Digital Standard servos |
| Torque Density | 4.7569 oz-in/g Stronger than 75% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 160.53 oz-in/in³ Denser torque than 70% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.06849 (1/sec·g) Faster than 6% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 69.45 Better balanced than 89% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0115 A/oz-in More efficient than 70% of 331 Digital Standard servos |
| Idle-to-Running Current Ratio | 0.133 Lower idle draw than 27% of 167 Digital Standard servos |
| No-Load vs Stall Current Spread | 26.67 Narrower current spread than 37% of 179 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 52% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 26% of 504 Digital Standard servos |
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