Discover XQ-Power Servos in Our eBay Store!

Shop Now
JR 331
Mini Discontinued

JR 331

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-09-16
Identity
Brand JR
Product Number JRPS331
Category Hobby
Discontinued Yes
Performance
Torque
4.8V42.00 oz-inAbove Average
Speed
4.8V0.23 sec/60°Bottom 10%
Physical
Weight 0.63 ozAverage
Dimensions L 1.12 in
W 0.50 in
H 1.17 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Rotation/Support Bushing
Control & Signal
Modulation Analog
Electrical & Environment
Operating Voltage 4.8–6 V
Connectivity
Connector JR (Universal)

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.

Class Comparison

TorqueAbove Average
Stronger than 78% of 80 Analog Mini servos at 4.8V
SpeedBottom 10%
Faster than 9% of 81 Analog Mini servos at 4.8V
WeightAverage
Lighter than 58% of 165 Analog Mini servos

Performance Analysis

Shaft Power 0.34 W
Power Density0.515 W/in³
More power-dense than 17% of 163 Analog Mini servos
Torque Density2.3464 oz-in/g
Stronger than 81% of 80 Analog Mini servos
Torque-to-Volume Ratio64.10 oz-in/in³
Denser torque than 81% of 80 Analog Mini servos
Speed-to-Weight0.24290 (1/sec·g)
Faster than 18% of 81 Analog Mini servos
Speed-Torque Trade-off9.66
Better balanced than 89% of 80 Analog Mini servos
Voltage Range Width1.2 V
Wider voltage range than 71% of 88 Analog Mini servos

Similar Active Servos

Reviews of JR 331

Be the first to review!

Submit a review of JR 331