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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM120BL |
| Category | Hobby |
| Performance | |
| Torque |
24.0V1,666.80 oz-in120.02 kg-cm11.8 N-mAbove Average |
| Speed |
24.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Average
24.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Average
|
| 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 3.071 in W 1.693 in H 2.579 in L 78.0 mm W 43.0 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° |
| Refresh Rate | 333 Hz |
| Angle Sensor | Magnetic Encoder |
| Control System | RS485 |
| Electrical & Environment | |
| Operating Voltage | 24–24 V |
| Temperature | -20–80 °C-4–176 °F |
| Idle Current | 200.000 A200,000 mA |
| Connectivity | |
| 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 85% of 93 Digital Giant servos at 24.0V |
| Speed | Average Faster than 38% of 90 Digital Giant servos at 24.0V |
| Weight | Below Average Lighter than 17% of 174 Digital Giant servos |
| Running Current | Above Average Lower draw than 79% of 29 Digital Giant servos at 24.0V |
| Stall Current | Above Average Lower draw than 81% of 102 Digital Giant servos |
Performance Analysis
| Shaft Power | 15.41 W |
| Power Density | 1.149 W/in³ More power-dense than 38% of 132 Digital Giant servos |
| Torque Density | 3.4367 oz-in/g Stronger than 51% of 90 Digital Giant servos |
| Torque-to-Volume Ratio | 124.33 oz-in/in³ Denser torque than 58% of 93 Digital Giant servos |
| Speed-to-Weight | 0.01031 (1/sec·g) Faster than 20% of 87 Digital Giant servos |
| Speed-Torque Trade-off | 333.36 Better balanced than 82% of 89 Digital Giant servos |
| Current-per-Torque Ratio | 0.0024 A/oz-in More efficient than 78% of 50 Digital Giant servos |
| Idle-to-Running Current Ratio | 1,000.000 Lower idle draw than 0% of 23 Feetech 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 6% of 160 Digital Giant servos |
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