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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HL-3930-C001 |
| Category | Hobby |
| Performance | |
| Torque |
12.0V486.15 oz-in35.01 kg-cm3.4 N-m |
| Speed |
12.0V0.22 sec/60°270.3 deg/s45.0 RPM |
| Running Current |
12.0V0.150 A150 mA |
| Stall Current | ≤2.8 A≤2800 mAAbove Average |
| Physical | |
| Weight | 2.49 oz70.5 gBelow Average |
| Dimensions |
L 1.78 in W 0.973 in H 1.378 in L 45.2 mm W 24.7 mm H 35.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Cored |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Multi-turn |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 360° |
| Angle Sensor | Magnetic Encoder |
| Control System | TTL |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 9–12.6 V |
| Temperature | -20–60 °C-4–140 °F |
| Certification | ROHS |
| Idle Current | 0.026 A26 mA |
| Connectivity | |
| Wire Length | 150 mm5.91 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
| Weight | Below Average Lighter than 32% of 1880 Digital Standard servos |
| Stall Current | Above Average Lower draw than 66% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.05 W |
| Power Density | 1.697 W/in³ More power-dense than 36% of 1768 Digital Standard servos |
| Torque Density | 6.8957 oz-in/g |
| Torque-to-Volume Ratio | 203.70 oz-in/in³ |
| Speed-to-Weight | 0.06389 (1/sec·g) |
| Speed-Torque Trade-off | 107.91 |
| Current-per-Torque Ratio | 0.0058 A/oz-in |
| Idle-to-Running Current Ratio | 0.173 |
| No-Load vs Stall Current Spread | 18.67 |
| Voltage Range Width | 3.6 V Wider voltage range than 84% of 1560 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. A Reddit user running a chain of nine Feetech servos, including this one, reports that the whole chain does not respond reliably through the Feetech adapter.
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