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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
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 | Below Average Stronger than 21% of 349 Digital Micro servos at 4.8V |
| Speed | Below Average Faster than 21% of 347 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 53% of 597 Digital Micro servos |
| Running Current | Top 10% Lower draw than 98% of 60 Digital Micro servos at 4.8V |
| Stall Current | Above Average Lower draw than 77% of 188 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.25–0.34 W |
| Power Density | 0.384 W/in³ More power-dense than 1% of 563 Digital Micro servos |
| Torque Density | 1.9000 oz-in/g Stronger than 25% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 21.51 oz-in/in³ Denser torque than 1% of 345 Digital Micro servos |
| Speed-to-Weight | 0.71429 (1/sec·g) Faster than 50% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 2.66 Better balanced than 38% of 345 Digital Micro servos |
| Current-per-Torque Ratio | 0.0342 A/oz-in More efficient than 55% of 98 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.080 Lower idle draw than 22% of 42 Digital Micro servos |
| No-Load vs Stall Current Spread | 13.00 Narrower current spread than 18% of 45 Digital Micro servos |
| Torque Gain per Volt | 13.16%/V More voltage-responsive (torque) than 26% of 290 Digital Micro servos |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 22% of 295 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 9% of 496 Digital Micro servos |
| Backlash-to-Range Ratio | 0.00556 Tighter backlash than 11% of 106 Hobby servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 25% of 182 Digital Micro servos |
Notes
This is SunFounder's version of the SG90 style servo.
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