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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S8205 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
55.55 oz-in
4.00 kg-cm
0.4 N-m
6.0V
52.77 oz-in
3.80 kg-cm
0.4 N-m
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
|
| Running Current |
7.4V
0.150 A
150 mA
6.0V
0.120 A
120 mA
|
| Stall Current | 1.6–1.7 A1600–1700 mAAverage |
| Physical | |
| Weight | 0.95 oz27.0 gAverage |
| Dimensions |
L 1.185 in W 0.394 in H 1.398 in L 30.1 mm W 10.0 mm H 35.5 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 21 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–50 °C14–122 °F |
| Idle Current | 0.020 A20 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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
| Weight | Average Lighter than 40% of 505 Digital Mini servos |
| Stall Current | Average Lower draw than 54% of 94 Digital Mini servos |
Performance Analysis
| Shaft Power | 0.81–1.03 W |
| Power Density | 1.574 W/in³ More power-dense than 47% of 482 Digital Mini servos |
| Torque Density | 1.9544 oz-in/g |
| Torque-to-Volume Ratio | 80.85 oz-in/in³ |
| Speed-to-Weight | 0.30864 (1/sec·g) |
| Speed-Torque Trade-off | 6.33 |
| Current-per-Torque Ratio | 0.0322 A/oz-in |
| Idle-to-Running Current Ratio | 0.167 |
| No-Load vs Stall Current Spread | 14.17 |
| Voltage Range Width | 1.2 V Wider voltage range than 18% of 405 Digital Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 31% of 104 Digital Mini servos |
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