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KST A12-S
Mini

KST A12-S

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 190.99 oz-in
7.4V 181.14 oz-in
6.0V 155.59 oz-in
Speed
8.4V 0.08 sec/60°
7.4V 0.09 sec/60°
6.0V 0.11 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 1.13 oz
Dimensions L 1.18 in
W 0.47 in
H 1.40 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 1520 µs
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–8.4 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 2.62–4.41 W
Torque Density4.8622 oz-in/g
Stronger than 89% of the 219 Digital Mini servos in the database
Torque-to-Volume Ratio199.53 oz-in/in³
Denser torque than 92% of the 224 Digital Mini servos in the database
Power Density5.661 W/in³
More power-dense than 89% of the 425 Digital Mini servos in the database
Speed-to-Weight0.28409 (1/sec·g)
Faster than 37% of the 220 Digital Mini servos in the database
Speed-Torque Trade-off17.11
Better balanced than 90% of the 223 Digital Mini servos in the database
Torque Gain per Volt9.48%/V
More voltage-responsive (torque) than 7% of the 190 Digital Mini servos in the database
Speed Gain per Volt15.62%/V
More voltage-responsive (speed) than 44% of the 190 Digital Mini servos in the database
Voltage Range Width2.4 V
Wider voltage range than 63% of the 288 Digital Mini servos in the database

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