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Feetech FT90R
Micro

Feetech FT90R

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-23
Identity
Brand Feetech
Product Number 7114
Category Hobby
Performance
Torque
6.0V 20.84 oz-in
4.8V 18.06 oz-in Below Average
3.0V 13.89 oz-in
Speed
4.8V0.09 sec/60°Above Average
Running Current
6.0V 0.120 A
4.8V 0.100 A Above Average
Stall Current 0.8–0.9 AAverage
Physical
Weight 0.32 ozAbove Average
Dimensions L 0.902 in
W 0.476 in
H 1.043 in
Case Material Plastic
Drivetrain
Motor Type Brushed
Gears Plastic
Gear Spline/Teeth 20 T
Rotation Mode Continuous
Rotation/Support Bushing
Control & Signal
Modulation Digital
Direction Counterclockwise
Rotational Range 360°
Mechanical Limit No Limit
Pulse Width 900-2100 µs
Neutral Position 1500 µs
Dead Band 20 µs
Control System PWM
Signal Voltage 3.3–5V
Electrical & Environment
Operating Voltage 4.8–6 V
Temperature -10–70 °C
Idle Current 0.006 A
Connectivity
Connector JR (Universal)
Wire Length 250 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.

Class Comparison

TorqueBelow Average
Stronger than 20% of 349 Digital Micro servos at 4.8V
SpeedAbove Average
Faster than 74% of 347 Digital Micro servos at 4.8V
WeightAbove Average
Lighter than 65% of 597 Digital Micro servos
Running CurrentAbove Average
Lower draw than 78% of 60 Digital Micro servos at 4.8V
Stall CurrentAverage
Lower draw than 58% of 188 Digital Micro servos

Performance Analysis

Shaft Power 0.37 W
Power Density0.828 W/in³
More power-dense than 10% of 563 Digital Micro servos
Torque Density2.0067 oz-in/g
Stronger than 32% of 349 Digital Micro servos
Torque-to-Volume Ratio40.33 oz-in/in³
Denser torque than 11% of 345 Digital Micro servos
Speed-to-Weight1.23457 (1/sec·g)
Faster than 83% of 347 Digital Micro servos
Speed-Torque Trade-off1.63
Better balanced than 16% of 345 Digital Micro servos
Current-per-Torque Ratio0.0498 A/oz-in
More efficient than 28% of 98 Digital Micro servos
Idle-to-Running Current Ratio0.060
Lower idle draw than 34% of 42 Digital Micro servos
No-Load vs Stall Current Spread9.00
Narrower current spread than 36% of 45 Digital Micro servos
Torque Gain per Volt12.83%/V
More voltage-responsive (torque) than 24% of 290 Digital Micro servos
Voltage Range Width1.2 V
Wider voltage range than 17% of 496 Digital Micro servos
Dead-Band-to-Pulse-Width Ratio0.0167
Finer dead band than 0% of 182 Digital Micro servos

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