KST MS3509

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	102782
Category	Hobby
Performance
Torque	7.4V 444.40 oz-in 6.0V 388.85 oz-in Above Average
Speed	7.4V 0.14 sec/60° 6.0V 0.15 sec/60° Average
Physical
Weight	2.75 ozBelow Average
Dimensions	L 1.595 in W 0.827 in H 1.516 in
Case Material	Aluminum
Drivetrain
Motor Type	Coreless
Gears	Steel
Gear Spline/Teeth	25 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	200°
Pulse Width	500-2500 µs
Neutral Position	1500 µs
Control System	PWM
Signal Voltage	3.3–5.0V
Electrical & Environment
Operating Voltage	6–8.4 V
Temperature	-10–65 °C
Connectivity
Connector	JR (Universal) estimate

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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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Above Average Stronger than 82% of 1060 Digital Standard servos at 6.0V
Speed	Average Faster than 42% of 1045 Digital Standard servos at 6.0V
Weight	Below Average Lighter than 17% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	4.79–5.87 W
Power Density	2.937 W/in³ More power-dense than 59% of 1768 Digital Standard servos
Torque Density	4.9853 oz-in/g Stronger than 78% of 1053 Digital Standard servos
Torque-to-Volume Ratio	194.60 oz-in/in³ Denser torque than 81% of 1058 Digital Standard servos
Speed-to-Weight	0.08547 (1/sec·g) Faster than 19% of 1038 Digital Standard servos
Speed-Torque Trade-off	58.33 Better balanced than 84% of 1034 Digital Standard servos
Voltage Range Width	2.4 V Wider voltage range than 58% of 1560 Digital Standard servos