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Micro Discontinued

JR SM15

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand JR
Category Hobby
Discontinued Yes
Performance
Torque
4.8V15.00 oz-in
Speed
6.0V 0.17 sec/60°
4.8V 0.21 sec/60°
Physical
Weight 0.32 ozAverage
Dimensions L 0.87 in
W 0.45 in
H 0.85 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Rotation/Support Bushing
Connectivity
Connector JR (Universal)

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

WeightAverage
Lighter than 47% of 1074 Micro servos

Performance Analysis

Shaft Power 0.13 W
Power Density0.397 W/in³
More power-dense than 15% of 179 JR servos
Torque Density1.6484 oz-in/g
Torque-to-Volume Ratio45.08 oz-in/in³
Speed-to-Weight0.52329 (1/sec·g)
Speed-Torque Trade-off3.15

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