SpringRC SR-403P

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	SR403P
Category	Robotics
Performance
Torque	7.4V 215.30 oz-in 6.0V 183.30 oz-in Top 10%
Speed	7.4V 0.19 sec/60° 6.0V 0.21 sec/60° Below Average
Physical
Weight	2.36 ozBottom 10%
Shape	Boxed
Dimensions	L 1.63 in W 0.83 in H 1.69 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	25 T
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	180°
Neutral Position	1500 µs
Control System	PWM
Electrical & Environment
Operating Voltage	6–7.4 V
Connectivity
Wire Length	300 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	Top 10% Stronger than 93% of 198 Analog Standard servos at 6.0V
Speed	Below Average Faster than 24% of 195 Analog Standard servos at 6.0V
Weight	Bottom 10% Lighter than 2% of 447 Analog Standard servos

Performance Analysis

Shaft Power	1.61–2.10 W
Power Density	0.916 W/in³ More power-dense than 73% of 432 Analog Standard servos
Torque Density	2.7358 oz-in/g Stronger than 84% of 198 Analog Standard servos
Torque-to-Volume Ratio	80.17 oz-in/in³ Denser torque than 85% of 198 Analog Standard servos
Speed-to-Weight	0.07107 (1/sec·g) Faster than 5% of 195 Analog Standard servos
Speed-Torque Trade-off	38.49 Better balanced than 95% of 195 Analog Standard servos
Torque Gain per Volt	12.47%/V More voltage-responsive (torque) than 41% of 156 Analog Standard servos
Speed Gain per Volt	7.53%/V More voltage-responsive (speed) than 4% of 156 Analog Standard servos
Voltage Range Width	1.4 V Wider voltage range than 86% of 239 Analog Standard servos