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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | ST3020 Servo |
| Category | Robotics |
| Performance | |
| Torque |
12.0V347.19 oz-in25.00 kg-cm2.5 N-m |
| Speed |
12.0V0.17 sec/60°359.3 deg/s59.9 RPM |
| Running Current |
12.0V0.200 A200 mA |
| Stall Current | ≤2.7 A≤2700 mAAbove Average |
| Physical | |
| Weight | 3.42 oz97.0 gBottom 10% |
| Shape | Boxed |
| Dimensions |
L 1.583 in W 0.795 in H 1.575 in L 40.2 mm W 20.2 mm H 40.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Copper / Steel |
| Rotation Mode | Multi-turn |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 360° |
| Mechanical Limit | No Limit |
| Angle Sensor | Magnetic Encoder |
| Control System | TTL |
| Programmable | Yes |
| Resolution | 4,096 pulse/rev |
| Operating Modes | Position, Velocity |
| Electrical & Environment | |
| Operating Voltage | 6–14 V |
| Idle Current | 0.200 A200 mA |
| Connectivity | |
| Baud Rate | 38.4 Kbps–1 Mbps |
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 0% of 1902 Digital Standard servos |
| Stall Current | Above Average Lower draw than 68% of 539 Digital Standard servos |
Performance Analysis
| Torque Density | 3.5792 oz-in/g |
| Torque-to-Volume Ratio | 175.16 oz-in/in³ |
| Speed-to-Weight | 0.06173 (1/sec·g) |
| Speed-Torque Trade-off | 57.98 |
| Current-per-Torque Ratio | 0.0078 A/oz-in |
| Idle-to-Running Current Ratio | 1.000 |
| No-Load vs Stall Current Spread | 13.50 |
| Voltage Range Width | 8.0 V Wider voltage range than 99% of 1539 Digital Standard servos |
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