Corona SB9019

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	SB9019
Category	Hobby
Performance
Torque	6.0V 23.61 oz-in 4.8V 20.84 oz-in Below Average
Speed	6.0V 0.06 sec/60° 4.8V 0.07 sec/60° Above Average
Running Current	6.0V 0.240 A 4.8V 0.200 A Below Average
Physical
Dimensions	L 0.886 in W 0.453 in H 0.969 in
Drivetrain
Gears	Metal
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Rotational Range	40°
Dead Band	3 µs
Angle Sensor	Potentiometer
Control System	SBUS
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–6 V
Temperature	-20–60 °C
Connectivity
Connector	Futaba J
Wire Length	215 mm
Origin
Country of Origin	China

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 28% of 328 Digital Micro servos at 4.8V
Speed	Above Average Faster than 88% of 328 Digital Micro servos at 4.8V
Running Current	Below Average Lower draw than 27% of 53 Digital Micro servos at 4.8V

Performance Analysis

Shaft Power	0.55–0.73 W
Power Density	1.873 W/in³ More power-dense than 48% of 590 Digital Micro servos
Torque-to-Volume Ratio	53.65 oz-in/in³ Denser torque than 23% of 327 Digital Micro servos
Speed-Torque Trade-off	1.46 Better balanced than 16% of 327 Digital Micro servos
Torque Gain per Volt	11.08%/V More voltage-responsive (torque) than 16% of 268 Digital Micro servos
Speed Gain per Volt	13.89%/V More voltage-responsive (speed) than 26% of 273 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 19% of 511 Digital Micro servos