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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 21100018 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
486.00 oz-in
35.00 kg-cm
3.4 N-m
7.4V
417.00 oz-in
30.03 kg-cm
2.9 N-m
5.0V
403.00 oz-in
29.02 kg-cm
2.8 N-m
Above Average
|
| Speed |
7.4V0.13 sec/60°461.5 deg/s76.9 RPM |
| Stall Current | 2.2–3.2 A2200–3200 mAAverage |
| Physical | |
| Weight | 2.12 oz60.0 gAverage |
| Dimensions |
L 1.59 in W 0.79 in H 1.57 in L 40.4 mm W 20.1 mm H 39.9 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Stainless Steel |
| Rotation Mode | Positional |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 360° |
| Pulse Width | 500-2500 µs |
| Dead Band | 2 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Water Rating | IP66 |
| Idle Current | 0.005 A5 mA |
| 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
| Torque | Above Average Stronger than 84% of 1043 Digital Standard servos at 5.0V |
| Weight | Average Lighter than 59% of 1902 Digital Standard servos |
| Stall Current | Average Lower draw than 48% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.93 W |
| Power Density | 3.007 W/in³ More power-dense than 59% of 1759 Digital Standard servos |
| Torque Density | 6.7167 oz-in/g Stronger than 92% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 204.35 oz-in/in³ Denser torque than 82% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.12821 (1/sec·g) |
| Speed-Torque Trade-off | 52.39 |
| Current-per-Torque Ratio | 0.0079 A/oz-in More efficient than 90% of 315 Digital Standard servos |
| Torque Gain per Volt | 6.06%/V More voltage-responsive (torque) than 5% of 850 Digital Standard servos |
| Voltage Range Width | 3.4 V Wider voltage range than 70% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 66% of 468 Digital Standard servos |
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