Corona DS339HV

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Category	Hobby
Performance
Torque	7.4V 70.84 oz-in 6.0V 62.51 oz-in Average
Speed	7.4V 0.13 sec/60° 6.0V 0.14 sec/60° Below Average
Physical
Weight	1.13 ozBelow Average
Dimensions	L 1.28 in W 0.669 in H 1.358 in
Drivetrain
Motor Type	Brushed
Gears	Metal
Gear Spline/Teeth	25 T
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Rotational Range	80°
Dead Band	3 µs
Control System	PWM
Electrical & Environment
Operating Voltage	6–7.4 V
Temperature	-20–60 °C
Connectivity
Connector	JR (Universal) estimate
Wire Length	300 mm

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Average Stronger than 58% of 284 Digital Mini servos at 6.0V
Speed	Below Average Faster than 30% of 288 Digital Mini servos at 6.0V
Weight	Below Average Lighter than 24% of 490 Digital Mini servos

Performance Analysis

Shaft Power	0.83–1.01 W
Power Density	0.866 W/in³ More power-dense than 12% of 468 Digital Mini servos
Torque Density	1.9534 oz-in/g Stronger than 34% of 280 Digital Mini servos
Torque-to-Volume Ratio	53.74 oz-in/in³ Denser torque than 27% of 282 Digital Mini servos
Speed-to-Weight	0.22321 (1/sec·g) Faster than 17% of 284 Digital Mini servos
Speed-Torque Trade-off	8.75 Better balanced than 63% of 282 Digital Mini servos
Torque Gain per Volt	9.52%/V More voltage-responsive (torque) than 9% of 252 Digital Mini servos
Speed Gain per Volt	5.48%/V More voltage-responsive (speed) than 2% of 258 Digital Mini servos
Voltage Range Width	1.4 V Wider voltage range than 43% of 396 Digital Mini servos