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JR S519
Standard

JR S519

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand JR
Category Hobby
Performance
Torque
4.8V45.80 oz-inBelow Average
Speed
4.8V0.23 sec/60°Bottom 10%
Physical
Weight 1.55 ozAbove Average
Dimensions L 1.476 in
W 0.748 in
H 1.516 in
Drivetrain
Gears Plastic
Control & Signal
Modulation Analog
Control System PWM
Electrical & Environment
Operating Voltage 4.8–5.5 V
Connectivity
Connector JR (Universal) 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

TorqueBelow Average
Stronger than 22% of 158 Analog Standard servos at 4.8V
SpeedBottom 10%
Faster than 10% of 157 Analog Standard servos at 4.8V
WeightAbove Average
Lighter than 67% of 430 Analog Standard servos

Performance Analysis

Shaft Power 0.37 W
Power Density0.220 W/in³
More power-dense than 5% of 420 Analog Standard servos
Torque Density1.0409 oz-in/g
Stronger than 17% of 158 Analog Standard servos
Torque-to-Volume Ratio27.36 oz-in/in³
Denser torque than 31% of 158 Analog Standard servos
Speed-to-Weight0.09881 (1/sec·g)
Faster than 26% of 157 Analog Standard servos
Speed-Torque Trade-off10.53
Better balanced than 38% of 157 Analog Standard servos
Voltage Range Width0.7 V
Wider voltage range than 3% of 189 Analog Standard servos

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