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Yahboom SG90
Robotics

Yahboom SG90

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand Yahboom
Product Number 6000300116
Category Robotics
Performance
Torque
4.8V18.05 oz-inBelow Average
Speed
4.8V0.13 sec/60°Below Average
Stall Current 0.75–0.75 AAverage
Physical
Weight 0.32 ozAverage
Shape Boxed
Dimensions L 1.075 in
W 0.472 in
H 0.906 in
Case Material Plastic
Drivetrain
Motor Type Cored
Motor Drive FET
Gears Plastic
Gear Spline/Teeth 20 T
Shaft Size 4.9 mm
Rotation Mode Positional
Rotation/Support Bushing
Control & Signal
Modulation Digital
Direction Clockwise
Rotational Range 180°
Mechanical Limit 180°
Pulse Cycle 20000 ms
Pulse Width 500-2500 µs
Neutral Position 1500 µs
Dead Band 8 µs
Refresh Rate 50 Hz
Angle Sensor Potentiometer
Control System PWM
Programmable No
Operating Modes Position
Signal Voltage 5V
Electrical & Environment
Operating Voltage 4.8–6 V
Temperature 0–55 °C
Idle Current 0.090 A
Connectivity
Connector JR (Universal)
Wire Length 250 mm

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 21% of 328 Digital Micro servos at 4.8V
SpeedBelow Average
Faster than 24% of 328 Digital Micro servos at 4.8V
WeightAverage
Lighter than 59% of 620 Digital Micro servos
Stall CurrentAverage
Lower draw than 60% of 194 Digital Micro servos

Performance Analysis

Shaft Power 0.26 W
Power Density0.558 W/in³
More power-dense than 4% of 590 Digital Micro servos
Torque Density2.0056 oz-in/g
Stronger than 33% of 327 Digital Micro servos
Torque-to-Volume Ratio39.26 oz-in/in³
Denser torque than 12% of 327 Digital Micro servos
Speed-to-Weight0.85470 (1/sec·g)
Faster than 62% of 327 Digital Micro servos
Speed-Torque Trade-off2.35
Better balanced than 33% of 327 Digital Micro servos
Current-per-Torque Ratio0.0416 A/oz-in
More efficient than 46% of 85 Digital Micro servos
Voltage Range Width1.2 V
Wider voltage range than 5% of 511 Digital Micro servos
Dead-Band-to-Pulse-Width Ratio0.0040
Finer dead band than 4% of 189 Digital Micro servos

Notes

Available in three versions: Classic (9g, plastic, 8µs deadband), High Quality (10g, plastic, 3µs deadband), and Metal (13.5g, metal, 3µs deadband). Specs provided for the Classic Blue version. All variants are digital servos with a 180° rotation range.

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