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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 21100010 |
| Category | Robotics |
| Performance | |
| Torque |
7.4V347.00 oz-in24.99 kg-cm2.5 N-m |
| Speed |
7.4V0.20 sec/60°300.0 deg/s50.0 RPM |
| Stall Current | 2.4–3 A2400–3000 mAAverage |
| Physical | |
| Weight | 2.33 oz66.0 gAverage |
| Shape | Boxed |
| Dimensions |
L 1.57 in W 0.80 in H 1.59 in L 39.9 mm W 20.3 mm H 40.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 360° |
| Pulse Cycle | 20 ms |
| Pulse Width | 500-2500 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Water Rating | IP67 |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 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 | Average Lighter than 41% of 1872 Digital Standard servos |
| Stall Current | Average Lower draw than 56% of 569 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.21 W |
| Power Density | 1.606 W/in³ More power-dense than 35% of 1762 Digital Standard servos |
| Torque Density | 5.2576 oz-in/g |
| Torque-to-Volume Ratio | 173.76 oz-in/in³ |
| Speed-to-Weight | 0.07576 (1/sec·g) |
| Speed-Torque Trade-off | 69.40 |
| Current-per-Torque Ratio | 0.0086 A/oz-in |
| Voltage Range Width | 2.4 V Wider voltage range than 45% of 1552 Digital Standard servos |
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Reviews (143)
Includes 143 reviews aggregated from around the web.
Buyers are generally satisfied with this servo and rate it well overall. They praise its value for the money, solid metal-gear build and durability, and good torque, and one owner says it performs great for crawling. Feedback is mostly short, positive remarks with no widespread problems reported. The ratings are shared across several size and angle versions of this servo line.
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