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Technical Specifications
Last Updated: 2026-09-21
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S8503 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
416.70 oz-in
30.01 kg-cm
2.9 N-m
6.0V
361.14 oz-in
26.00 kg-cm
2.6 N-m
|
| Speed |
7.4V
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 | (add) |
| Stall Current | 3.5–3.9 A3500–3900 mA |
| Physical | |
| Weight | 5.43 oz154.0 g |
| Dimensions |
L 2.34 in W 1.16 in H 2.02 in L 59.5 mm W 29.5 mm H 51.3 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | 3-pole |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 17 T |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | 1500 µs |
| Dead Band | 4 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 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.
Performance Analysis
| Shaft Power | 3.04–3.85 W |
| Torque Density | 2.3451 oz-in/g Stronger than 40% of the 79 Digital Giant servos in the database |
| Torque-to-Volume Ratio | 65.72 oz-in/in³ Denser torque than 37% of the 88 Digital Giant servos in the database |
| Power Density | 0.701 W/in³ More power-dense than 25% of the 108 Digital Giant servos in the database |
| Speed-to-Weight | 0.02952 (1/sec·g) Faster than 64% of the 77 Digital Giant servos in the database |
| Speed-Torque Trade-off | 79.46 Better balanced than 27% of the 82 Digital Giant servos in the database |
| Current-per-Torque Ratio | 0.0108 A/oz-in More efficient than 37% of the 42 Digital Giant servos in the database |
| Torque Gain per Volt | 10.99%/V More voltage-responsive (torque) than 46% of the 62 Digital Giant servos in the database |
| Speed Gain per Volt | 7.15%/V More voltage-responsive (speed) than 10% of the 59 Digital Giant servos in the database |
| Voltage Range Width | 1.4 V Wider voltage range than 21% of the 155 Digital Giant servos in the database |
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