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KST FZ589
Mini

KST FZ589

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-26
Identity
Brand KST
Product Number BR0023.0222
Category Hobby
Performance
Torque
8.4V 111.04 oz-in
7.4V 97.16 oz-in
6.0V 83.28 oz-in Above Average
Speed
8.4V 0.10 sec/60°
7.4V 0.11 sec/60°
6.0V 0.12 sec/60° Average
Physical
Weight 1.41 ozBelow Average
Dimensions L 1.378 in
W 0.591 in
H 1.28 in
Case Material Aluminum
Drivetrain
Motor Type Coreless
Gears Steel
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 90°
Pulse Cycle 3.003 ms
Neutral Position 1520 µs
Refresh Rate 333 Hz
Angle Sensor Potentiometer
Control System PWM
Electrical & Environment
Operating Voltage 6–8.4 V
Temperature -20–65 °C
Connectivity
Connector JR (Universal) estimate

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 74% of 284 Digital Mini servos at 6.0V
SpeedAverage
Faster than 47% of 288 Digital Mini servos at 6.0V
WeightBelow Average
Lighter than 11% of 490 Digital Mini servos

Performance Analysis

Shaft Power 1.28–2.05 W
Power Density1.972 W/in³
More power-dense than 57% of 468 Digital Mini servos
Torque Density2.0820 oz-in/g
Stronger than 39% of 280 Digital Mini servos
Torque-to-Volume Ratio79.98 oz-in/in³
Denser torque than 52% of 282 Digital Mini servos
Speed-to-Weight0.20833 (1/sec·g)
Faster than 13% of 284 Digital Mini servos
Speed-Torque Trade-off9.99
Better balanced than 69% of 282 Digital Mini servos
Torque Gain per Volt13.89%/V
More voltage-responsive (torque) than 30% of 252 Digital Mini servos
Speed Gain per Volt8.33%/V
More voltage-responsive (speed) than 7% of 258 Digital Mini servos
Voltage Range Width2.4 V
Wider voltage range than 54% of 396 Digital Mini servos

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