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JR ST47
Standard Discontinued

JR ST47

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-09-16
Identity
Brand JR
Product Number JSP20050
Category Hobby
Discontinued Yes
Performance
Torque
4.8V47.00 oz-in
Speed
6.0V 0.19 sec/60°
4.8V 0.24 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 1.55 oz
Dimensions L 1.52 in
W 0.73 in
H 1.32 in
Case Material (add)
Drivetrain
Motor Type 3-pole
Motor Drive (add)
Gears Plastic
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode Positional
Rotation/Support Bushing
Backlash (add)
Control & Signal
Modulation Analog
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System (add)
Programmable (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 (add)
Origin
Country of Origin (add)

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 0.36 W
Torque Density1.0696 oz-in/g
Stronger than 19% of the 156 Analog Standard servos in the database
Torque-to-Volume Ratio32.09 oz-in/in³
Denser torque than 36% of the 156 Analog Standard servos in the database
Power Density0.247 W/in³
More power-dense than 8% of the 421 Analog Standard servos in the database
Speed-to-Weight0.09483 (1/sec·g)
Faster than 19% of the 155 Analog Standard servos in the database
Speed-Torque Trade-off11.28
Better balanced than 41% of the 155 Analog Standard servos in the database
Speed Gain per Volt21.93%/V
More voltage-responsive (speed) than 83% of the 121 Analog Standard servos in the database
Voltage Range Width1.2 V
Wider voltage range than 55% of the 185 Analog Standard servos in the database

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