JR S8411-F3A

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	T0076250
Category	Hobby
Performance
Torque	8.4V 272.70 oz-in 7.4V 240.30 oz-in 6.6V 214.30 oz-in
Speed	8.4V 0.13 sec/60° 7.4V 0.15 sec/60° 6.6V 0.17 sec/60° 6.0V 0.19 sec/60°
Physical
Weight	1.86 ozAbove Average
Dimensions	L 1.358 in W 0.748 in H 1.535 in
Drivetrain
Gears	Hybrid
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	180°
Control System	PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	4.5–8.5 V
Connectivity
Connector	JR (Universal) estimate

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight

Above Average

Lighter than 82% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	2.33–3.88 W
Power Density	2.486 W/in³ More power-dense than 51% of 1768 Digital Standard servos
Torque Density	4.0587 oz-in/g
Torque-to-Volume Ratio	137.37 oz-in/in³
Speed-to-Weight	0.09968 (1/sec·g)
Speed-Torque Trade-off	40.72
Voltage Range Width	4.0 V Wider voltage range than 94% of 1560 Digital Standard servos