SpringRC SM-S2309B

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	SM-S2309B
Category	Hobby
Performance
Torque	6.0V 19.40 oz-in 4.8V 16.70 oz-in Average
Speed	6.0V 0.10 sec/60° 4.8V 0.12 sec/60° Average
Physical
Weight	0.32 ozAverage
Dimensions	L 0.874 in W 0.457 in H 0.846 in
Drivetrain
Gears	Plastic
Rotation Mode	Positional
Rotation/Support	Single Bearing
Control & Signal
Modulation	Analog
Rotational Range	180°
Neutral Position	1500 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal)
Wire Length	200 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 170 Analog Micro servos at 4.8V
Speed	Average Faster than 52% of 170 Analog Micro servos at 4.8V
Weight	Average Lighter than 39% of 346 Analog Micro servos

Performance Analysis

Shaft Power	0.26–0.36 W
Power Density	1.062 W/in³ More power-dense than 68% of 333 Analog Micro servos
Torque Density	1.8556 oz-in/g Stronger than 31% of 170 Analog Micro servos
Torque-to-Volume Ratio	49.42 oz-in/in³ Denser torque than 47% of 170 Analog Micro servos
Speed-to-Weight	0.92593 (1/sec·g) Faster than 47% of 170 Analog Micro servos
Speed-Torque Trade-off	2.00 Better balanced than 45% of 169 Analog Micro servos
Torque Gain per Volt	13.47%/V More voltage-responsive (torque) than 40% of 96 Analog Micro servos
Speed Gain per Volt	16.67%/V More voltage-responsive (speed) than 59% of 96 Analog Micro servos
Voltage Range Width	1.2 V Wider voltage range than 51% of 182 Analog Micro servos