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DSServo RDS3218
Robotics

DSServo RDS3218

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand DSServo
Category Robotics
Performance
Torque
6.8V 347.19 oz-in
5.0V 298.58 oz-in
Speed
6.8V 0.17 sec/60°
5.0V 0.20 sec/60°
Running Current
6.8V 5.000 A
5.0V 4.000 A
Stall Current 1.6–2.5 AAbove Average
Physical
Weight 2.12 ozAverage
Shape Boxed
Dimensions L 1.57 in
W 0.79 in
H 1.57 in
Drivetrain
Motor Type Brushed
Gears Metal
Gear Ratio 342:1
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Direction Counterclockwise
Rotational Range 180°
Pulse Width 500-2500 µs
Neutral Position 1500 µs
Dead Band 3 µs
Control System PWM
Programmable No
Electrical & Environment
Operating Voltage 4.8–6.8 V
Temperature -15–70 °C
Connectivity
Connector JR (Universal)
Wire Length 300 mm

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 57% of 1818 Digital Standard servos
Stall CurrentAbove Average
Lower draw than 74% of 403 Digital Standard servos

Performance Analysis

Torque Density4.9763 oz-in/g
Torque-to-Volume Ratio153.33 oz-in/in³
Speed-to-Weight0.08333 (1/sec·g)
Speed-Torque Trade-off59.72
Current-per-Torque Ratio0.0084 A/oz-in
No-Load vs Stall Current Spread0.63
Voltage Range Width2.0 V
Wider voltage range than 40% of 1271 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio0.0015
Finer dead band than 52% of 329 Digital Standard servos

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