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KST HS08B
Slim

KST HS08B

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand KST
Product Number (add)
Category Hobby
Performance
Torque
8.4V 83.28 oz-in
7.4V 72.17 oz-in
6.0V 62.46 oz-in
3.8V 38.87 oz-in
Speed
8.4V 0.09 sec/60°
7.4V 0.11 sec/60°
6.0V 0.13 sec/60°
3.8V 0.21 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 0.39 oz
Dimensions L 0.93 in
W 0.32 in
H 1.00 in
Case Material (add)
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Steel
Gear Spline/Teeth (add)
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range 120°
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1500 µs
Dead Band 1 µs
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 3.8–8.4 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal) estimate
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 0.34–1.71 W
Torque Density3.5336 oz-in/g
Stronger than 80% of the 50 Digital Slim servos in the database
Torque-to-Volume Ratio133.90 oz-in/in³
Denser torque than 71% of the 50 Digital Slim servos in the database
Power Density5.894 W/in³
More power-dense than 92% of the 93 Digital Slim servos in the database
Speed-to-Weight0.43290 (1/sec·g)
Faster than 88% of the 50 Digital Slim servos in the database
Speed-Torque Trade-off8.16
Better balanced than 35% of the 50 Digital Slim servos in the database
Torque Gain per Volt24.84%/V
3rd-highest torque gain per volt of 46 Digital Slim servos
Speed Gain per Volt28.99%/V
4th-highest speed gain per volt of 46 Digital Slim servos
Voltage Range Width4.6 V
4th-highest voltage range width of 75 Digital Slim servos

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