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Feetech FT90R
Micro

Feetech FT90R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand Feetech
Product Number (add)
Category Hobby
Performance
Torque
6.0V 20.84 oz-in
4.8V 18.06 oz-in
3.0V 13.89 oz-in
Speed
6.0V 0.08 sec/60°
4.8V 0.09 sec/60°
3.0V 0.16 sec/60°
Running Current (add)
Stall Current 0.4–0.55 A
Physical
Weight 0.32 oz
Dimensions L 0.90 in
W 0.48 in
H 1.04 in
Case Material (add)
Drivetrain
Motor Type Brushed
Motor Drive (add)
Gears Plastic
Gear Spline/Teeth 21 T
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Bushing
Backlash (add)
Control & Signal
Modulation Digital
Direction Bidirectional
Rotational Range 360°
Mechanical Limit No Limit
Pulse Cycle (add)
Pulse Width 700-2300 µs
Neutral Position 1500 µs
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 3–6 V
Power Source (add)
Regulator Type (add)
Temperature -15–70 °C
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal)
Wire Length (add)
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 0.16–0.48 W
Torque Density1.5433 oz-in/g
Stronger than 12% of the 237 Digital Micro servos in the database
Torque-to-Volume Ratio31.02 oz-in/in³
Denser torque than 6% of the 239 Digital Micro servos in the database
Power Density1.076 W/in³
More power-dense than 20% of the 543 Digital Micro servos in the database
Speed-to-Weight0.69444 (1/sec·g)
Faster than 43% of the 237 Digital Micro servos in the database
Speed-Torque Trade-off2.22
Better balanced than 32% of the 239 Digital Micro servos in the database
Current-per-Torque Ratio0.0396 A/oz-in
More efficient than 65% of the 44 Digital Micro servos in the database
Torque Gain per Volt16.68%/V
More voltage-responsive (torque) than 47% of the 191 Digital Micro servos in the database
Speed Gain per Volt33.33%/V
More voltage-responsive (speed) than 95% of the 193 Digital Micro servos in the database
Voltage Range Width3.0 V
Wider voltage range than 70% of the 405 Digital Micro servos in the database

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