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Micro Discontinued

JR DS381

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand JR
Category Hobby
Discontinued Yes
Performance
Torque
4.8V18.00 oz-in
Speed
4.8V0.23 sec/60°
Physical
Weight 0.32 ozAverage
Dimensions L 0.85 in
W 0.45 in
H 0.846 in
Control & Signal
Modulation Digital
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 58% of 620 Digital Micro servos

Performance Analysis

Shaft Power 0.14 W
Power Density0.447 W/in³
More power-dense than 2% of 590 Digital Micro servos
Torque Density1.9780 oz-in/g
Torque-to-Volume Ratio55.63 oz-in/in³
Speed-to-Weight0.47778 (1/sec·g)
Speed-Torque Trade-off4.14

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