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Futaba S-A501
Standard

Futaba S-A501

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand Futaba
Product Number 01102383-3
Category Hobby
Performance
Torque
7.4V 233.40 oz-in
6.0V 191.70 oz-in Average
Speed
7.4V 0.11 sec/60°
6.0V 0.13 sec/60° Average
Physical
Weight 2.20 ozAverage
Dimensions L 1.60 in
W 0.80 in
H 1.40 in
Case Material Aluminum
Drivetrain
Motor Type Coreless
Gears Metal
Gear Spline/Teeth 25 T estimate
Control & Signal
Modulation Digital
Control System SBUS
Programmable Yes
Electrical & Environment
Operating Voltage 6–7.4 V
Origin
Country of Origin Japan

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

TorqueAverage
Stronger than 42% of 1043 Digital Standard servos at 6.0V
SpeedAverage
Faster than 56% of 1041 Digital Standard servos at 6.0V
WeightAverage
Lighter than 50% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 2.73–3.92 W
Power Density2.189 W/in³
More power-dense than 47% of 1759 Digital Standard servos
Torque Density3.0736 oz-in/g
Stronger than 43% of 1036 Digital Standard servos
Torque-to-Volume Ratio106.98 oz-in/in³
Denser torque than 45% of 1042 Digital Standard servos
Speed-to-Weight0.12333 (1/sec·g)
Faster than 55% of 1033 Digital Standard servos
Speed-Torque Trade-off24.92
Better balanced than 44% of 1031 Digital Standard servos
Torque Gain per Volt15.54%/V
More voltage-responsive (torque) than 48% of 850 Digital Standard servos
Speed Gain per Volt13.00%/V
More voltage-responsive (speed) than 36% of 871 Digital Standard servos
Voltage Range Width1.4 V
Wider voltage range than 32% of 1539 Digital Standard servos

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