Discover XQ-Power Servos in Our eBay Store!

Shop Now
Corona CS939MG
Micro

Corona CS939MG

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand Corona
Product Number (add)
Category Hobby
Performance
Torque
6.0V 37.50 oz-in
4.8V 34.73 oz-in
Speed
6.0V 0.13 sec/60°
4.8V 0.14 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 0.44 oz
Dimensions L 0.89 in
W 0.45 in
H 0.97 in
Case Material (add)
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Metal
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Single Bearing
Backlash (add)
Control & Signal
Modulation Analog
Direction (add)
Rotational Range 40°
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position (add)
Dead Band 5 µs
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 4.8–6 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 0.46–0.53 W
Torque Density2.7784 oz-in/g
Stronger than 90% of the 131 Analog Micro servos in the database
Torque-to-Volume Ratio89.41 oz-in/in³
5th-highest torque-to-volume ratio of 131 Analog Micro servos
Power Density1.373 W/in³
More power-dense than 87% of the 319 Analog Micro servos in the database
Speed-to-Weight0.57143 (1/sec·g)
Faster than 9% of the 130 Analog Micro servos in the database
Speed-Torque Trade-off4.86
4th-highest speed-torque trade-off of 130 Analog Micro servos
Torque Gain per Volt6.65%/V
More voltage-responsive (torque) than 8% of the 72 Analog Micro servos in the database
Speed Gain per Volt6.40%/V
More voltage-responsive (speed) than 0% of the 71 Analog Micro servos in the database
Voltage Range Width1.2 V
Wider voltage range than 24% of the 137 Analog Micro servos in the database

Similar Active Servos

Reviews of Corona CS939MG

Be the first to review!

Submit a review of Corona CS939MG