Airtronics/ Sanwa 94851

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Compatible Hardware

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	474551
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 192.00 oz-in 4.8V 161.00 oz-in Average
Speed	6.0V 0.19 sec/60° 4.8V 0.23 sec/60° Bottom 10%
Physical
Weight	1.87 ozAbove Average
Dimensions	L 1.57 in W 0.77 in H 1.49 in
Case Material	Plastic
Drivetrain
Motor Type	3-pole
Gears	Metal
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Control System	PWM
Programmable	No
Electrical & Environment
Operating Voltage	4.8–6.6 V
Connectivity
Connector	Z

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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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Average Stronger than 35% of 1043 Digital Standard servos at 4.8V
Speed	Bottom 10% Faster than 4% of 1041 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 80% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	1.29–1.87 W
Power Density	1.037 W/in³ More power-dense than 19% of 1759 Digital Standard servos
Torque Density	3.0377 oz-in/g Stronger than 43% of 1036 Digital Standard servos
Torque-to-Volume Ratio	89.38 oz-in/in³ Denser torque than 36% of 1042 Digital Standard servos
Speed-to-Weight	0.08203 (1/sec·g) Faster than 16% of 1033 Digital Standard servos
Speed-Torque Trade-off	37.03 Better balanced than 61% of 1031 Digital Standard servos
Voltage Range Width	1.8 V Wider voltage range than 40% of 1539 Digital Standard servos