Corona SB3039

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	SB3039
Category	Hobby
Performance
Torque	6.0V 69.45 oz-in 4.8V 61.12 oz-in Bottom 10%
Speed	6.0V 0.15 sec/60° 4.8V 0.14 sec/60° Average
Physical
Weight	1.13 ozTop 10%
Dimensions	L 1.28 in W 0.669 in H 1.358 in
Drivetrain
Gears	Metal
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Rotational Range	40°
Dead Band	3 µs
Control System	SBUS
Electrical & Environment
Operating Voltage	4.8–6 V
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

*Based on known specs.

Class Comparison

Torque	Bottom 10% Stronger than 7% of 1043 Digital Standard servos at 4.8V
Speed	Average Faster than 48% of 1041 Digital Standard servos at 4.8V
Weight	Top 10% Lighter than 98% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	0.81–0.86 W
Power Density	0.736 W/in³ More power-dense than 11% of 1759 Digital Standard servos
Torque Density	1.9100 oz-in/g Stronger than 20% of 1036 Digital Standard servos
Torque-to-Volume Ratio	52.54 oz-in/in³ Denser torque than 16% of 1042 Digital Standard servos
Speed-to-Weight	0.22321 (1/sec·g) Faster than 88% of 1033 Digital Standard servos
Speed-Torque Trade-off	8.56 Better balanced than 11% of 1031 Digital Standard servos
Torque Gain per Volt	11.36%/V More voltage-responsive (torque) than 23% of 850 Digital Standard servos
Speed Gain per Volt	-5.56%/V More voltage-responsive (speed) than 1% of 871 Digital Standard servos
Voltage Range Width	1.2 V Wider voltage range than 11% of 1539 Digital Standard servos