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KST MS3509
Standard

KST MS3509

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand KST
Product Number (add)
Category Hobby
Performance
Torque
8.4V 485.80 oz-in
7.4V 444.16 oz-in
6.0V 416.40 oz-in
Speed
8.4V 0.12 sec/60°
7.4V 0.13 sec/60°
6.0V 0.14 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 2.75 oz
Dimensions L 1.59 in
W 0.83 in
H 1.52 in
Case Material (add)
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Steel
Gear Spline/Teeth 25 T estimate
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range 200°
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1500 µs
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–8.4 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 5.50–7.49 W
Torque Density5.3385 oz-in/g
Stronger than 81% of the 833 Digital Standard servos in the database
Torque-to-Volume Ratio208.39 oz-in/in³
Denser torque than 83% of the 844 Digital Standard servos in the database
Power Density3.746 W/in³
More power-dense than 69% of the 1645 Digital Standard servos in the database
Speed-to-Weight0.09158 (1/sec·g)
Faster than 24% of the 822 Digital Standard servos in the database
Speed-Torque Trade-off58.29
Better balanced than 84% of the 827 Digital Standard servos in the database
Torque Gain per Volt6.94%/V
More voltage-responsive (torque) than 8% of the 674 Digital Standard servos in the database
Speed Gain per Volt6.94%/V
More voltage-responsive (speed) than 4% of the 688 Digital Standard servos in the database
Voltage Range Width2.4 V
Wider voltage range than 58% of the 1271 Digital Standard servos in the database

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