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Dynamixel PH42-020-S300-R
Robotics

Dynamixel PH42-020-S300-R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand Dynamixel
Product Number 902-0081-001
Category Robotics
Performance
Torque
24.0V722.16 oz-inAverage
Speed
24.0V0.31 sec/60°Bottom 10%
Running Current
24.0V0.570 AAverage
Stall Current ≤5400 ABottom 10%
Rated Output Power 20.0 W
Radial Load 280.0 N
Physical
Weight 11.99 ozBelow Average
Shape Cylindrical
Dimensions L 3.307 in
W —
H —

∅ 1.65 in
Case Material Metal
Drivetrain
Motor Type Coreless
Gears Metal
Gear Ratio 303.75:1
Rotation Mode Multi-turn
Backlash 0.100°
Control & Signal
Modulation Digital
Rotational Range 360°
Angle Sensor Incremental Encoder
Control System RS-485
Programmable Yes
Resolution 607,500 pulse/rev
MCU ARM CORTEX-M4
Operating Modes Torque, Velocity, Position, Extended Position, PWM
Electrical & Environment
Operating Voltage 24–24 V
Temperature -5–55 °C
Idle Current 0.030 A
Connectivity
Connector JST
Wire Length 300 mm
Baud Rate 9.6 Kbps–10.5 Mbps
Origin
Country of Origin South Korea

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

TorqueAverage
Stronger than 38% of 93 Digital Giant servos at 24.0V
SpeedBottom 10%
Faster than 6% of 90 Digital Giant servos at 24.0V
WeightBelow Average
Lighter than 28% of 174 Digital Giant servos
Running CurrentAverage
Lower draw than 54% of 29 Digital Giant servos at 24.0V
Stall CurrentBottom 10%
Lower draw than 1% of 102 Digital Giant servos

Performance Analysis

Shaft Power 4.36 W
Power Density0.482 W/in³
More power-dense than 11% of 132 Digital Giant servos
Torque Density2.1240 oz-in/g
Stronger than 30% of 90 Digital Giant servos
Torque-to-Volume Ratio79.82 oz-in/in³
Denser torque than 33% of 93 Digital Giant servos
Speed-to-Weight0.00961 (1/sec·g)
Faster than 17% of 87 Digital Giant servos
Speed-Torque Trade-off220.96
Better balanced than 70% of 89 Digital Giant servos
Current-per-Torque Ratio7.4776 A/oz-in
More efficient than 2% of 50 Digital Giant servos
Idle-to-Running Current Ratio0.053
Lower idle draw than 24% of 22 Dynamixel servos
No-Load vs Stall Current Spread9,473.68
Narrower current spread than 0% of 27 Digital Giant servos
Voltage Range Width0.0 V
Wider voltage range than 3% of 160 Digital Giant servos
Backlash-to-Range Ratio0.00028
Tighter backlash than 86% of 43 Digital Giant servos

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