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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SRT-CH635S |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
486.10 oz-in
35.00 kg-cm
3.4 N-m
7.4V
444.40 oz-in
32.00 kg-cm
3.1 N-m
6.0V
416.60 oz-in
30.00 kg-cm
2.9 N-m
Above Average
|
| Speed |
8.4V
0.14 sec/60°
428.6 deg/s
71.4 RPM
7.4V
0.15 sec/60°
400.0 deg/s
66.7 RPM
6.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
Below Average
|
| Physical | |
| Weight | 2.65 oz75.0 gBelow Average |
| Dimensions |
L 1.60 in W 0.80 in H 1.51 in L 40.6 mm W 20.3 mm H 38.4 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium / Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3.03 ms |
| Refresh Rate | 330 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
| 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.
Class Comparison
| Torque | Above Average Stronger than 86% of 1055 Digital Standard servos at 6.0V |
| Speed | Below Average Faster than 31% of 1038 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 21% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.81–6.42 W |
| Power Density | 3.322 W/in³ More power-dense than 64% of 1762 Digital Standard servos |
| Torque Density | 5.5547 oz-in/g Stronger than 84% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 215.54 oz-in/in³ Denser torque than 87% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.08333 (1/sec·g) Faster than 17% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 66.66 Better balanced than 88% of 1029 Digital Standard servos |
| Torque Gain per Volt | 6.95%/V More voltage-responsive (torque) than 8% of 868 Digital Standard servos |
| Speed Gain per Volt | 5.96%/V More voltage-responsive (speed) than 3% of 868 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 47% of 1552 Digital Standard servos |
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