JR SR3801

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Compatible Hardware

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	JRPSR3801
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V98.60 oz-in
Speed	7.4V0.11 sec/60°
Physical
Weight	1.10 ozBelow Average
Dimensions	L 1.30 in W 0.59 in H 1.02 in
Drivetrain
Gear Spline/Teeth	23 T estimate
Control & Signal
Modulation	Digital
Electrical & Environment
Operating Voltage	7.4 V
Connectivity
Connector	JR (Universal)

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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

*Spec is estimated from brand data.

Class Comparison

Weight

Below Average

Lighter than 24% of 466 Digital Mini servos

Performance Analysis

Shaft Power	1.66 W
Power Density	2.119 W/in³ More power-dense than 63% of 440 Digital Mini servos
Torque Density	3.1623 oz-in/g
Torque-to-Volume Ratio	126.03 oz-in/in³
Speed-to-Weight	0.29156 (1/sec·g)
Speed-Torque Trade-off	10.85