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Technical Specifications
Last Updated: 2026-10-10
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
Below Average
|
| Speed |
7.4V
0.04 sec/60°
1,500.0 deg/s
250.0 RPM
6.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
Top 10%
|
| Running Current |
7.4V
0.150 A
150 mA
6.0V
0.120 A
120 mA
Top 10%
|
| 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 | 50 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 | Below Average Stronger than 13% of 136 Digital Low Profile servos at 6.0V |
| Speed | Top 10% Faster than 99% of 135 Digital Low Profile servos at 6.0V |
| Weight | Above Average Lighter than 73% of 251 Digital Low Profile servos |
| Running Current | Top 10% Lower draw than 95% of 21 Digital Low Profile servos at 6.0V |
| Stall Current | Above Average Lower draw than 83% of 64 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 2.57–4.17 W |
| Power Density | 3.385 W/in³ More power-dense than 49% of 215 Digital Low Profile servos |
| Torque Density | 1.5431 oz-in/g Stronger than 10% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 56.33 oz-in/in³ Denser torque than 13% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.44444 (1/sec·g) 5th-highest speed-to-weight of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 3.47 Better balanced than 2% of 134 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0403 A/oz-in More efficient than 21% of 40 Digital Low Profile servos |
| Idle-to-Running Current Ratio | 0.083 5th-highest idle-to-running current ratio of 44 Cys servos |
| No-Load vs Stall Current Spread | 23.33 Narrower current spread than 58% of 44 Cys servos |
| Torque Gain per Volt | 21.43%/V More voltage-responsive (torque) than 84% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 17.86%/V More voltage-responsive (speed) than 79% of 117 Digital Low Profile servos |
| Voltage Range Width | 1.4 V Wider voltage range than 28% of 223 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 44% of 60 Digital Low Profile servos |
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