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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS558S |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
213.20 oz-in
15.35 kg-cm
1.5 N-m
6.0V
173.50 oz-in
12.49 kg-cm
1.2 N-m
|
| Speed |
8.4V
0.20 sec/60°
300.0 deg/s
50.0 RPM
6.0V
0.22 sec/60°
272.7 deg/s
45.5 RPM
|
| Running Current |
6.0V
0.340 A
340 mA
5.0V
0.320 A
320 mA
Below Average
|
| Stall Current | 1.7–1.9 A1700–1900 mAAbove Average |
| Physical | |
| Weight | 2.05 oz58.0 gAbove Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.516 in L 40.0 mm W 20.0 mm H 38.5 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 90° |
| Mechanical Limit | 180° |
| Pulse Width | 900-2100 µs |
| Dead Band | 3 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 5–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Idle Current | 0.003 A3 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 60 mm2.36 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
| Weight | Above Average Lighter than 66% of 1902 Digital Standard servos |
| Running Current | Below Average Lower draw than 34% of 173 Digital Standard servos at 5.0V |
| Stall Current | Above Average Lower draw than 89% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.46–1.97 W |
| Power Density | 1.049 W/in³ More power-dense than 19% of 1759 Digital Standard servos |
| Torque Density | 2.9914 oz-in/g |
| Torque-to-Volume Ratio | 92.31 oz-in/in³ |
| Speed-to-Weight | 0.07837 (1/sec·g) |
| Speed-Torque Trade-off | 38.17 |
| Current-per-Torque Ratio | 0.0110 A/oz-in |
| Idle-to-Running Current Ratio | 0.009 Lower idle draw than 94% of 112 Digital Standard servos |
| No-Load vs Stall Current Spread | 5.94 Narrower current spread than 82% of 132 Digital Standard servos |
| Voltage Range Width | 1.0 V Wider voltage range than 3% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0025 Finer dead band than 11% of 468 Digital Standard servos |
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