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Technical Specifications
Last Updated: 2026-09-28| Identity | |
| Brand |  |
| Product Number | 37980S |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V
611.00 oz-in
44.00 kg-cm
4.3 N-m
6.0V
500.00 oz-in
36.00 kg-cm
3.5 N-m
Top 10%
|
| Speed |
7.4V
0.17 sec/60°
352.9 deg/s
58.8 RPM
6.0V
0.21 sec/60°
285.7 deg/s
47.6 RPM
Bottom 10%
|
| Stall Current | 7.3–9.9 A7300–9900 mABottom 10% |
| Physical | |
| Weight | 2.76 oz78.2 gBelow Average |
| Dimensions |
L 1.72 in W 0.88 in H 1.57 in L 43.7 mm W 22.4 mm H 39.9 mm |
| Case Material | Plastic / Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | MOS |
| Gears | Titanium |
| Gear Spline/Teeth | 24 T |
| Shaft Size | 5.8 mm |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 80° |
| Pulse Width | 1100-1900 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | 2S LiPo |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | Splashproof |
| Idle Current | 0.010 A10 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | South Korea |
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 92% of 1043 Digital Standard servos at 6.0V |
| Speed | Bottom 10% Faster than 8% of 1041 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 14% of 1902 Digital Standard servos |
| Stall Current | Bottom 10% Lower draw than 4% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.40–6.65 W |
| Power Density | 2.797 W/in³ More power-dense than 56% of 1759 Digital Standard servos |
| Torque Density | 6.3939 oz-in/g Stronger than 89% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 210.41 oz-in/in³ Denser torque than 84% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.06089 (1/sec·g) Faster than 2% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 105.01 Better balanced than 97% of 1031 Digital Standard servos |
| Current-per-Torque Ratio | 0.0198 A/oz-in More efficient than 34% of 315 Digital Standard servos |
| Torque Gain per Volt | 15.86%/V More voltage-responsive (torque) than 51% of 850 Digital Standard servos |
| Speed Gain per Volt | 16.80%/V More voltage-responsive (speed) than 60% of 871 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 38% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0013 Finer dead band than 60% of 468 Digital Standard servos |
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Reviews (2)
-
sajad
January 21, 2023Application(s): studently project
Comments: not bad
Tony
February 20, 2017Application(s): For rocket airbrake control
Comments: My rocket is supposed to launch miles high and I am using this servo to toggle my airbrake to control the altitude. As a dry run, I tested the servo +/- 90 degree with 20ms step of 5 degree and 1 second delay per +/- 90 degree turn. After testing about 13 minutes, servo stopped working and not functional anymore. Battery only drained from 7.6V to 7V. I am surprised such poor reliability of this servo with such high price.