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KST CM509MG
Micro

KST CM509MG

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand KST
Product Number (add)
Category Hobby
Performance
Torque
8.4V 83.28 oz-in
7.4V 76.34 oz-in
6.0V 66.63 oz-in
4.8V 49.97 oz-in
Speed
8.4V 0.08 sec/60°
7.4V 0.09 sec/60°
6.0V 0.11 sec/60°
4.8V 0.13 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 0.53 oz
Dimensions L 0.91 in
W 0.43 in
H 0.94 in
Case Material (add)
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Steel
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range 100°
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1520 µs
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 4.8–8.4 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 0.71–1.92 W
Torque Density3.3313 oz-in/g
Stronger than 80% of the 237 Digital Micro servos in the database
Torque-to-Volume Ratio134.85 oz-in/in³
Denser torque than 79% of the 239 Digital Micro servos in the database
Power Density5.194 W/in³
More power-dense than 82% of the 543 Digital Micro servos in the database
Speed-to-Weight0.51282 (1/sec·g)
Faster than 18% of the 237 Digital Micro servos in the database
Speed-Torque Trade-off6.50
Better balanced than 87% of the 239 Digital Micro servos in the database
Torque Gain per Volt18.52%/V
More voltage-responsive (torque) than 58% of the 191 Digital Micro servos in the database
Speed Gain per Volt17.36%/V
More voltage-responsive (speed) than 57% of the 193 Digital Micro servos in the database
Voltage Range Width3.6 V
Wider voltage range than 86% of the 405 Digital Micro servos in the database

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