Yahboom SG90

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Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	6000300116
Category	Robotics
Performance
Torque	4.8V25.00 oz-inAverage
Speed	4.8V0.10 sec/60°Average
Stall Current	0.65–0.65 AAbove Average
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	Nylon
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	20 ms
Pulse Width	500-2500 µs
Neutral Position	1500 µs
Dead Band	1 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

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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.

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*Based on known specs.

Class Comparison

Torque	Average Stronger than 36% of 349 Digital Micro servos at 4.8V
Speed	Average Faster than 59% of 347 Digital Micro servos at 4.8V
Weight	Average Lighter than 63% of 597 Digital Micro servos
Stall Current	Above Average Lower draw than 76% of 188 Digital Micro servos

Performance Analysis

Shaft Power	0.46 W
Power Density	1.006 W/in³ More power-dense than 17% of 563 Digital Micro servos
Torque Density	2.7778 oz-in/g Stronger than 63% of 349 Digital Micro servos
Torque-to-Volume Ratio	54.38 oz-in/in³ Denser torque than 22% of 345 Digital Micro servos
Speed-to-Weight	1.11111 (1/sec·g) Faster than 78% of 347 Digital Micro servos
Speed-Torque Trade-off	2.50 Better balanced than 35% of 345 Digital Micro servos
Current-per-Torque Ratio	0.0260 A/oz-in More efficient than 75% of 98 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 4% of 496 Digital Micro servos
Dead-Band-to-Pulse-Width Ratio	0.0005 4th-highest dead-band-to-pulse-width ratio of 182 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.