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KingMax Hobby KM1203MD
Micro

KingMax Hobby KM1203MD

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand KingMax Hobby
Product Number (add)
Category Hobby
Performance
Torque
8.4V 145.85 oz-in
7.4V 131.96 oz-in
6.0V 102.79 oz-in
5.0V 83.34 oz-in
Speed
8.4V 0.07 sec/60°
7.4V 0.08 sec/60°
6.0V 0.11 sec/60°
5.0V 0.10 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 0.72 oz
Dimensions L 0.91 in
W 0.47 in
H 1.07 in
Case Material Aluminum
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Metal
Gear Spline/Teeth 25 T
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation Analog
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1520 µs
Dead Band 2 µs
Refresh Rate 330 Hz
Angle Sensor Potentiometer
Control System (add)
Programmable Yes
Signal Voltage (add)
Electrical & Environment
Operating Voltage 5–8.4 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating None
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal)
Wire Length 315 mm
Origin
Country of Origin China

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 1.54–3.85 W
Torque Density4.1054 oz-in/g
3rd-highest torque density of 131 Analog Micro servos
Torque-to-Volume Ratio182.11 oz-in/in³
1st-highest torque-to-volume ratio of 131 Analog Micro servos
Power Density8.418 W/in³
1st-highest power density of 319 Analog Micro servos
Speed-to-Weight0.49261 (1/sec·g)
Faster than 4% of the 130 Analog Micro servos in the database
Speed-Torque Trade-off8.33
2nd-highest speed-torque trade-off of 130 Analog Micro servos
Torque Gain per Volt22.06%/V
More voltage-responsive (torque) than 87% of the 72 Analog Micro servos in the database
Speed Gain per Volt12.60%/V
More voltage-responsive (speed) than 29% of the 71 Analog Micro servos in the database
Voltage Range Width3.4 V
3rd-highest voltage range width of 137 Analog Micro servos

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