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SpringRC SM-S4303R
Robotics

SpringRC SM-S4303R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand SpringRC
Product Number (add)
Category Robotics
Performance
Torque
6.0V 66.70 oz-in
4.8V 45.80 oz-in
Speed
6.0V 0.14 sec/60°
4.8V 0.17 sec/60°
Running Current (add)
Stall Current (add)
Rated Output Power (add)
Radial Load (add)
Physical
Weight 1.55 oz
Shape Boxed
Dimensions L 1.65 in
W 0.81 in
H 1.56 in
Case Material (add)
Drivetrain
Motor Type (add)
Motor Drive (add)
Gears Hybrid
Gear Ratio (add)
Gear Spline/Teeth 25 T
Shaft Size (add)
Rotation Mode Continuous
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Analog
Direction (add)
Rotational Range 360°
Mechanical Limit No Limit
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1500 µs
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Resolution (add)
MCU (add)
Operating Modes (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)
Wire Length 270 mm
Baud Rate (add)
Origin
Country of Origin China

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 0.50–0.88 W
Torque Density1.0409 oz-in/g
Stronger than 18% of the 156 Analog Standard servos in the database
Torque-to-Volume Ratio22.07 oz-in/in³
Denser torque than 10% of the 156 Analog Standard servos in the database
Power Density0.424 W/in³
More power-dense than 32% of the 421 Analog Standard servos in the database
Speed-to-Weight0.13369 (1/sec·g)
Faster than 71% of the 155 Analog Standard servos in the database
Speed-Torque Trade-off7.79
Better balanced than 10% of the 155 Analog Standard servos in the database
Torque Gain per Volt38.03%/V
4th-highest torque gain per volt of 120 Analog Standard servos
Speed Gain per Volt17.88%/V
More voltage-responsive (speed) than 69% of the 121 Analog Standard servos in the database
Voltage Range Width1.2 V
Wider voltage range than 40% of the 185 Analog Standard servos in the database

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