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Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-S2305 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
90.27 oz-in
6.50 kg-cm
0.6 N-m
6.0V
69.44 oz-in
5.00 kg-cm
0.5 N-m
Bottom 10%
|
| Speed |
7.4V
0.04 sec/60°
1,500.0 deg/s
250.0 RPM
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
Top 10%
|
| Running Current |
7.4V
0.150 A
150 mA
6.0V
0.120 A
120 mA
Above Average
|
| Stall Current | 2.5–2.8 A2500–2800 mAAbove Average |
| Physical | |
| Weight | 1.59 oz45.0 gAbove Average |
| Dimensions |
L 1.579 in W 0.787 in H 0.992 in L 40.1 mm W 20.0 mm H 25.2 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Cycle | 20 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Waterproof |
| Idle Current | 0.010 A10 mA |
| Connectivity | |
| Connector | JR (Universal) |
| 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
| Torque | Bottom 10% Stronger than 9% of 186 Digital Low Profile servos at 6.0V |
| Speed | Top 10% Faster than 97% of 183 Digital Low Profile servos at 6.0V |
| Weight | Above Average Lighter than 78% of 304 Digital Low Profile servos |
| Running Current | Above Average Lower draw than 85% of 27 Digital Low Profile servos at 6.0V |
| Stall Current | Above Average Lower draw than 86% of 81 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 2.14–4.17 W |
| Power Density | 3.385 W/in³ More power-dense than 49% of 273 Digital Low Profile servos |
| Torque Density | 1.5431 oz-in/g Stronger than 7% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 56.33 oz-in/in³ Denser torque than 9% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.37037 (1/sec·g) 5th-highest speed-to-weight of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 4.17 Better balanced than 3% of 183 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0403 A/oz-in More efficient than 14% of 58 Digital Low Profile servos |
| Idle-to-Running Current Ratio | 0.083 Lower idle draw than 85% of 55 CYS servos |
| No-Load vs Stall Current Spread | 23.33 Narrower current spread than 63% of 55 CYS servos |
| Torque Gain per Volt | 21.43%/V More voltage-responsive (torque) than 88% of 164 Digital Low Profile servos |
| Speed Gain per Volt | 35.71%/V 2nd-highest speed gain per volt of 163 Digital Low Profile servos |
| Voltage Range Width | 1.4 V Wider voltage range than 30% of 276 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 41% of 79 Digital Low Profile servos |
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