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KST X15-908
Mini

KST X15-908

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-26
Identity
Brand KST
Product Number BR0023.0009
Category Hobby
Performance
Torque
8.4V 127.70 oz-in
7.4V 111.04 oz-in
6.0V 90.22 oz-in Above Average
Speed
8.4V 0.07 sec/60°
7.4V 0.08 sec/60°
6.0V 0.10 sec/60° Above Average
Physical
Weight 1.41 ozBelow Average
Dimensions L 1.398 in
W 0.591 in
H 1.28 in
Case Material Aluminum
Drivetrain
Motor Type Coreless
Gears Steel
Gear Spline/Teeth 25 T
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 100°
Pulse Cycle 3.003 ms
Pulse Width 900-2100 µs
Neutral Position 1500 µs
Refresh Rate 333 Hz
Angle Sensor Potentiometer
Control System PWM
Programmable Yes
Electrical & Environment
Operating Voltage 6–8.4 V
Temperature -10–65 °C
Connectivity
Connector JR (Universal) estimate
Wire Length 300 mm

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 290 Digital Mini servos at 6.0V
SpeedAbove Average
Faster than 66% of 293 Digital Mini servos at 6.0V
WeightBelow Average
Lighter than 10% of 505 Digital Mini servos

Performance Analysis

Shaft Power 1.67–3.37 W
Power Density3.194 W/in³
More power-dense than 73% of 482 Digital Mini servos
Torque Density2.2555 oz-in/g
Stronger than 48% of 286 Digital Mini servos
Torque-to-Volume Ratio85.43 oz-in/in³
Denser torque than 56% of 288 Digital Mini servos
Speed-to-Weight0.25000 (1/sec·g)
Faster than 24% of 289 Digital Mini servos
Speed-Torque Trade-off9.02
Better balanced than 64% of 288 Digital Mini servos
Torque Gain per Volt17.31%/V
More voltage-responsive (torque) than 56% of 257 Digital Mini servos
Speed Gain per Volt17.85%/V
More voltage-responsive (speed) than 57% of 262 Digital Mini servos
Voltage Range Width2.4 V
Wider voltage range than 55% of 405 Digital Mini servos

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