Futaba S3109M

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	FUTS3109M
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V6.25 oz-inBottom 10%
Speed	4.8V0.14 sec/60°Below Average
Physical
Weight	0.22 ozAbove Average
Dimensions	L 0.86 in W 0.43 in H 0.80 in
Drivetrain
Gear Spline/Teeth	21 T estimate
Control & Signal
Neutral Position	1520 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–4.8 V
Connectivity
Connector	Micro
Wire Length	99 mm

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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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Bottom 10% Stronger than 1% of 529 Micro servos at 4.8V
Speed	Below Average Faster than 26% of 525 Micro servos at 4.8V
Weight	Above Average Lighter than 81% of 1022 Micro servos

Performance Analysis

Shaft Power	0.08 W
Power Density	0.279 W/in³ More power-dense than 3% of 207 Futaba servos
Torque Density	0.9921 oz-in/g Stronger than 10% of 108 Futaba servos
Torque-to-Volume Ratio	21.13 oz-in/in³ Denser torque than 4% of 108 Futaba servos
Speed-to-Weight	1.13379 (1/sec·g) Faster than 94% of 108 Futaba servos
Speed-Torque Trade-off	0.87 Better balanced than 0% of 108 Futaba servos
Voltage Range Width	0.0 V Wider voltage range than 8% of 162 Futaba servos