JR MN48

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*Based on known specs.

Technical Specifications

Last Updated: 2026-09-14

Identity
Brand
Product Number	JSP20040
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V48.00 oz-inAbove Average
Speed	6.0V 0.15 sec/60° 4.8V 0.18 sec/60° Below Average
Physical
Weight	0.80 ozBelow Average
Dimensions	L 1.30 in W 0.58 in H 1.02 in
Drivetrain
Gears	Plastic
Rotation/Support	Single Bearing
Control & Signal
Modulation	Analog
Electrical & Environment
Operating Voltage	4.8–6 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

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 80% of 75 Analog Mini servos at 4.8V
Speed	Below Average Faster than 14% of 75 Analog Mini servos at 4.8V
Weight	Below Average Lighter than 34% of 155 Analog Mini servos

Performance Analysis

Shaft Power	0.49 W
Power Density	0.641 W/in³ More power-dense than 35% of 153 Analog Mini servos
Torque Density	2.1164 oz-in/g Stronger than 62% of 75 Analog Mini servos
Torque-to-Volume Ratio	62.41 oz-in/in³ Denser torque than 77% of 75 Analog Mini servos
Speed-to-Weight	0.24495 (1/sec·g) Faster than 22% of 75 Analog Mini servos
Speed-Torque Trade-off	8.64 Better balanced than 86% of 75 Analog Mini servos
Speed Gain per Volt	16.68%/V More voltage-responsive (speed) than 57% of 55 Analog Mini servos
Voltage Range Width	1.2 V Wider voltage range than 69% of 85 Analog Mini servos