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Technical Specifications
Last Updated: 2026-10-09
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 23% of 328 Digital Micro servos at 4.8V |
| Speed | Below Average Faster than 19% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 50% of 620 Digital Micro servos |
| Running Current | Top 10% Lower draw than 100% of 53 Digital Micro servos at 4.8V |
| Stall Current | Above Average Lower draw than 66% of 194 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.25–0.34 W |
| Power Density | 0.738 W/in³ More power-dense than 7% of 590 Digital Micro servos |
| Torque Density | 1.9000 oz-in/g Stronger than 28% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 41.38 oz-in/in³ Denser torque than 13% of 327 Digital Micro servos |
| Speed-to-Weight | 0.71429 (1/sec·g) Faster than 48% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 2.66 Better balanced than 40% of 327 Digital Micro servos |
| Current-per-Torque Ratio | 0.0342 A/oz-in More efficient than 64% of 85 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.080 Lower idle draw than 33% of 37 Digital Micro servos |
| No-Load vs Stall Current Spread | 13.00 Narrower current spread than 17% of 36 Digital Micro servos |
| Torque Gain per Volt | 13.16%/V More voltage-responsive (torque) than 27% of 268 Digital Micro servos |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 24% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 8% of 511 Digital Micro servos |
| Backlash-to-Range Ratio | 0.00556 Tighter backlash than 20% of 51 Hobby servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 20% of 189 Digital Micro servos |
Notes
This is SunFounder's version of the SG90 style servo.
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