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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS635BLHV |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
635.00 oz-in
45.72 kg-cm
4.5 N-m
7.4V
555.00 oz-in
39.96 kg-cm
3.9 N-m
6.6V
515.00 oz-in
37.08 kg-cm
3.6 N-m
6.0V
485.00 oz-in
34.92 kg-cm
3.4 N-m
4.8V
415.00 oz-in
29.88 kg-cm
2.9 N-m
Above Average
|
| Speed |
8.4V
0.04 sec/60°
1,428.6 deg/s
238.1 RPM
7.4V
0.05 sec/60°
1,132.1 deg/s
188.7 RPM
6.6V
0.06 sec/60°
1,034.5 deg/s
172.4 RPM
6.0V
0.07 sec/60°
882.4 deg/s
147.1 RPM
4.8V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Stall Current | 6.5–10 A6500–10000 mABottom 10% |
| Physical | |
| Weight | 3.21 oz91.0 gBottom 10% |
| Dimensions |
L 1.58 in W 0.79 in H 1.54 in L 40.1 mm W 20.1 mm H 39.1 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 15 T |
| Rotation Mode | Standard |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 125° |
| Mechanical Limit | 360° |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1520 µs |
| Dead Band | 3 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Water Resistant |
| 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
| Torque | Above Average Stronger than 85% of 1059 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 80% of 1044 Digital Standard servos at 4.8V |
| Weight | Bottom 10% Lighter than 2% of 1879 Digital Standard servos |
| Stall Current | Bottom 10% Lower draw than 2% of 570 Digital Standard servos |
Performance Analysis
| Torque Density | 4.5604 oz-in/g Stronger than 72% of 1052 Digital Standard servos |
| Torque-to-Volume Ratio | 215.90 oz-in/in³ Denser torque than 87% of 1057 Digital Standard servos |
| Speed-to-Weight | 0.12210 (1/sec·g) Faster than 56% of 1037 Digital Standard servos |
| Speed-Torque Trade-off | 37.35 Better balanced than 60% of 1033 Digital Standard servos |
| Current-per-Torque Ratio | 0.0241 A/oz-in More efficient than 20% of 331 Digital Standard servos |
| Torque Gain per Volt | 14.73%/V More voltage-responsive (torque) than 43% of 872 Digital Standard servos |
| Speed Gain per Volt | 31.74%/V More voltage-responsive (speed) than 99% of 873 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 73% of 1559 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0021 Finer dead band than 13% of 504 Digital Standard servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
There are very few reviews for this servo on the web. An ARRMA forum owner reports his unit would barely move unless he bumped the servo horn to get it started.
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