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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | NSD-RS650 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
940.00 oz-in
67.69 kg-cm
6.6 N-m
7.4V
812.00 oz-in
58.47 kg-cm
5.7 N-m
6.0V
705.00 oz-in
50.77 kg-cm
5.0 N-m
5.0V
611.00 oz-in
44.00 kg-cm
4.3 N-m
Top 10%
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
5.0V
0.17 sec/60°
352.9 deg/s
58.8 RPM
Bottom 10%
|
| Stall Current | 5.4–8.8 A5400–8800 mABottom 10% |
| Physical | |
| Weight | 2.50 oz71.0 gBottom 10% |
| Dimensions |
L 1.575 in W 0.787 in H 1.209 in L 40.0 mm W 20.0 mm H 30.7 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | 4-pole |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Angle Sensor | Potentiometer |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Regulator Type | BEC |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Water Resistant |
| Connectivity | |
| Wire Length | 260 mm10.24 in |
| Origin | |
| Country of Origin | USA |
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 | Top 10% Stronger than 99% of 136 Digital Low Profile servos at 5.0V |
| Speed | Bottom 10% Faster than 6% of 135 Digital Low Profile servos at 5.0V |
| Weight | Bottom 10% Lighter than 1% of 251 Digital Low Profile servos |
| Stall Current | Bottom 10% Lower draw than 0% of 64 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 6.65–17.38 W |
| Power Density | 11.597 W/in³ 5th-highest power density of 215 Digital Low Profile servos |
| Torque Density | 8.6056 oz-in/g 3rd-highest torque density of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 407.68 oz-in/in³ 3rd-highest torque-to-volume ratio of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.08285 (1/sec·g) Faster than 4% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 103.88 3rd-highest speed-torque trade-off of 134 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0144 A/oz-in More efficient than 69% of 40 Digital Low Profile servos |
| Torque Gain per Volt | 15.84%/V More voltage-responsive (torque) than 45% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 20.59%/V More voltage-responsive (speed) than 88% of 117 Digital Low Profile servos |
| Voltage Range Width | 3.4 V Wider voltage range than 61% of 223 Digital Low Profile servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 27% of 60 Digital Low Profile servos |
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