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Standard Discontinued

Sanwa ERB-861

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand Sanwa
Product Number 107A54341A
Category Hobby
Discontinued Yes
Performance
Torque
7.4V 987.67 oz-in
6.0V 811.30 oz-in
Speed
7.4V 0.10 sec/60°
6.0V 0.12 sec/60°
Physical
Weight 2.43 ozAverage
Dimensions L 1.587 in
W 0.795 in
H 1.524 in
Drivetrain
Motor Type Brushless
Gears Steel
Gear Spline/Teeth 23 T estimate
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Control System PWM
Electrical & Environment
Operating Voltage 4.8–7.4 V
Water Rating IPX4
Connectivity
Connector Z

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

WeightAverage
Lighter than 36% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 12.50–18.26 W
Power Density9.498 W/in³
More power-dense than 97% of 1759 Digital Standard servos
Torque Density11.7580 oz-in/g
Torque-to-Volume Ratio421.94 oz-in/in³
Speed-to-Weight0.12077 (1/sec·g)
Speed-Torque Trade-off97.36
Voltage Range Width2.6 V
Wider voltage range than 66% of 1539 Digital Standard servos

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