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JR DS181
Mini

JR DS181

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand JR
Product Number (add)
Category Hobby
Performance
Torque
6.0V 190.48 oz-in
4.8V 151.68 oz-in
Speed
6.0V 0.13 sec/60°
4.8V 0.16 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 0.78 oz
Dimensions L 1.14 in
W 0.43 in
H 1.18 in
Case Material (add)
Drivetrain
Motor Type (add)
Motor Drive (add)
Gears (add)
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support (add)
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 4.8–6 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal) estimate
Wire Length (add)
Origin
Country of Origin (add)

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.

Performance Analysis

Shaft Power 1.75–2.71 W
Torque Density6.8946 oz-in/g
5th-highest torque density of 219 Digital Mini servos
Torque-to-Volume Ratio259.72 oz-in/in³
3rd-highest torque-to-volume ratio of 224 Digital Mini servos
Power Density4.639 W/in³
More power-dense than 86% of the 425 Digital Mini servos in the database
Speed-to-Weight0.28409 (1/sec·g)
Faster than 38% of the 220 Digital Mini servos in the database
Speed-Torque Trade-off24.27
Better balanced than 97% of the 223 Digital Mini servos in the database
Torque Gain per Volt21.32%/V
More voltage-responsive (torque) than 83% of the 190 Digital Mini servos in the database
Speed Gain per Volt19.22%/V
More voltage-responsive (speed) than 69% of the 190 Digital Mini servos in the database
Voltage Range Width1.2 V
Wider voltage range than 18% of the 288 Digital Mini servos in the database

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