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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CH620S |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
277.70 oz-in
20.00 kg-cm
2.0 N-m
7.4V
250.00 oz-in
18.00 kg-cm
1.8 N-m
6.0V
194.40 oz-in
14.00 kg-cm
1.4 N-m
|
| Speed |
8.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
|
| Physical | |
| Weight | 2.43 oz69.0 gBottom 10% |
| Dimensions |
L 1.63 in W 0.81 in H 1.51 in L 41.4 mm W 20.6 mm H 38.4 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium / Aluminum |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Refresh Rate | 330 Hz |
| Connectivity | |
| Connector | JR (Universal) |
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
| Weight | Bottom 10% Lighter than 6% of 304 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 3.00–5.71 W |
| Power Density | 2.862 W/in³ More power-dense than 42% of 273 Digital Low Profile servos |
| Torque Density | 2.8174 oz-in/g |
| Torque-to-Volume Ratio | 97.51 oz-in/in³ |
| Speed-to-Weight | 0.12077 (1/sec·g) |
| Speed-Torque Trade-off | 23.33 |
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