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Micro Discontinued

Futaba S3103

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-08
Identity
Brand Futaba
Product Number FUTM0037
Category Hobby
Discontinued Yes
Performance
Torque
6.0V 21.30 oz-in
4.8V 17.30 oz-in
Speed
6.0V 0.09 sec/60°
4.8V 0.11 sec/60°
Physical
Weight 0.34 ozAverage
Dimensions L 0.86 in
W 0.43 in
H 0.78 in
Drivetrain
Motor Type 3-pole
Gears Metal
Gear Spline/Teeth 21 T estimate

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

WeightAverage
Lighter than 44% of 1074 Micro servos

Performance Analysis

Shaft Power 0.29–0.44 W
Power Density1.517 W/in³
More power-dense than 63% of 207 Futaba servos
Torque Density1.8021 oz-in/g
Torque-to-Volume Ratio59.98 oz-in/in³
Speed-to-Weight0.94697 (1/sec·g)
Speed-Torque Trade-off1.90

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