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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM-120B-C003 |
| Category | Hobby |
| Performance | |
| Torque |
24.0V1,666.80 oz-in120.02 kg-cm11.8 N-mAbove Average |
| Speed |
24.0V0.20 sec/60°300.0 deg/s50.0 RPMAverage |
| Running Current |
24.0V0.200 A200 mAAbove Average |
| Stall Current | ≤4 A≤4000 mAAbove Average |
| Physical | |
| Weight | 17.11 oz485.0 gBelow Average |
| Dimensions |
L 3.07 in W 1.69 in H 2.58 in L 78.0 mm W 42.9 mm H 65.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Rotation Mode | Multi-turn |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 360° |
| Angle Sensor | Magnetic Encoder |
| Control System | RS485 |
| Electrical & Environment | |
| Operating Voltage | 24–24 V |
| Temperature | -20–80 °C-4–176 °F |
| Connectivity | |
| Wire Length | 300 mm11.81 in |
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 87% of 88 Digital Giant servos at 24.0V |
| Speed | Average Faster than 44% of 89 Digital Giant servos at 24.0V |
| Weight | Below Average Lighter than 17% of 168 Digital Giant servos |
| Running Current | Above Average Lower draw than 82% of 29 Digital Giant servos at 24.0V |
| Stall Current | Above Average Lower draw than 81% of 108 Digital Giant servos |
Performance Analysis
| Shaft Power | 15.41 W |
| Power Density | 1.151 W/in³ More power-dense than 34% of 136 Digital Giant servos |
| Torque Density | 3.4367 oz-in/g Stronger than 50% of 85 Digital Giant servos |
| Torque-to-Volume Ratio | 124.52 oz-in/in³ Denser torque than 57% of 88 Digital Giant servos |
| Speed-to-Weight | 0.01031 (1/sec·g) Faster than 19% of 86 Digital Giant servos |
| Speed-Torque Trade-off | 333.36 Better balanced than 80% of 85 Digital Giant servos |
| Current-per-Torque Ratio | 0.0024 A/oz-in More efficient than 83% of 47 Digital Giant servos |
| No-Load vs Stall Current Spread | 20.00 Narrower current spread than 38% of 27 Digital Giant servos |
| Voltage Range Width | 0.0 V Wider voltage range than 4% of 160 Digital Giant servos |
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