Futaba S3108M

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	FUTS3108M
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V16.90 oz-inBelow Average
Speed	4.8V0.12 sec/60°Average
Physical
Weight	0.27 ozAbove Average
Dimensions	L 0.90 in W 0.40 in H 0.80 in
Drivetrain
Motor Type	3-pole
Gear Spline/Teeth	21 T estimate
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

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*Spec is estimated from brand data.

Class Comparison

Torque	Below Average Stronger than 24% of 529 Micro servos at 4.8V
Speed	Average Faster than 55% of 525 Micro servos at 4.8V
Weight	Above Average Lighter than 73% of 1022 Micro servos

Performance Analysis

Shaft Power	0.26 W
Power Density	0.904 W/in³ More power-dense than 40% of 207 Futaba servos
Torque Density	2.1948 oz-in/g Stronger than 61% of 108 Futaba servos
Torque-to-Volume Ratio	58.68 oz-in/in³ Denser torque than 51% of 108 Futaba servos
Speed-to-Weight	1.08225 (1/sec·g) Faster than 93% of 108 Futaba servos
Speed-Torque Trade-off	2.03 Better balanced than 4% of 108 Futaba servos
Voltage Range Width	0.0 V Wider voltage range than 9% of 162 Futaba servos