Corona CS239MG

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Technical Specifications

Last Updated: 2026-10-27

Identity
Brand
Product Number	CS239MG
Category	Hobby
Performance
Torque	6.0V 63.89 oz-in 4.8V 55.56 oz-in Average
Speed	6.0V 0.14 sec/60° 4.8V 0.15 sec/60° Average
Physical
Weight	0.78 ozAverage
Dimensions	L 1.181 in W 0.394 in H 1.358 in
Case Material	Metal
Drivetrain
Motor Type	Brushed
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	40°
Dead Band	5 µs
Angle Sensor	Potentiometer
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Temperature	-20–60 °C
Certification	CE \| ROHS
Connectivity
Connector	JR (Universal) estimate
Wire Length	215 mm
Origin
Country of Origin	China

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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

*Based on known specs.

Class Comparison

Torque	Average Stronger than 44% of 46 Slim servos at 4.8V
Speed	Average Faster than 48% of 47 Slim servos at 4.8V
Weight	Average Lighter than 51% of 97 Slim servos

Performance Analysis

Shaft Power	0.68–0.84 W
Power Density	1.336 W/in³ More power-dense than 52% of 55 Corona servos
Torque Density	2.5255 oz-in/g Stronger than 53% of 54 Corona servos
Torque-to-Volume Ratio	87.97 oz-in/in³ Denser torque than 68% of 54 Corona servos
Speed-to-Weight	0.30303 (1/sec·g) Faster than 44% of 53 Corona servos
Speed-Torque Trade-off	8.33 Better balanced than 56% of 53 Corona servos
Torque Gain per Volt	12.49%/V More voltage-responsive (torque) than 51% of 50 Corona servos
Speed Gain per Volt	5.96%/V More voltage-responsive (speed) than 29% of 49 Corona servos
Voltage Range Width	1.2 V Wider voltage range than 15% of 54 Corona servos