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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S8255 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
118.07 oz-in
8.50 kg-cm
0.8 N-m
6.0V
97.23 oz-in
7.00 kg-cm
0.7 N-m
Top 10%
|
| Speed |
7.4V
0.15 sec/60°
413.8 deg/s
69.0 RPM
6.0V
0.18 sec/60°
342.9 deg/s
57.1 RPM
Below Average
|
| Stall Current | 2.5–3 A2500–3000 mABottom 10% |
| Physical | |
| Weight | 1.34 oz38.0 gBottom 10% |
| Dimensions |
L 1.508 in W 0.531 in H 1.228 in L 38.3 mm W 13.5 mm H 31.2 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Single Bearing |
| 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 | 6–7.4 V |
| Temperature | -10–50 °C14–122 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 250 mm9.84 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 | Top 10% Stronger than 92% of 349 Digital Micro servos at 6.0V |
| Speed | Below Average Faster than 10% of 347 Digital Micro servos at 6.0V |
| Weight | Bottom 10% Lighter than 1% of 597 Digital Micro servos |
| Stall Current | Bottom 10% Lower draw than 4% of 188 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.03–1.51 W |
| Power Density | 1.531 W/in³ More power-dense than 42% of 563 Digital Micro servos |
| Torque Density | 2.5587 oz-in/g Stronger than 56% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 98.88 oz-in/in³ Denser torque than 70% of 345 Digital Micro servos |
| Speed-to-Weight | 0.15038 (1/sec·g) Faster than 0% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 17.01 Better balanced than 99% of 345 Digital Micro servos |
| Current-per-Torque Ratio | 0.0309 A/oz-in More efficient than 63% of 98 Digital Micro servos |
| Torque Gain per Volt | 15.31%/V More voltage-responsive (torque) than 38% of 290 Digital Micro servos |
| Speed Gain per Volt | 14.77%/V More voltage-responsive (speed) than 27% of 295 Digital Micro servos |
| Voltage Range Width | 1.4 V Wider voltage range than 49% of 496 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 28% of 182 Digital Micro servos |
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