Sanwa ERS-962

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	107A54081A
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V 351.35 oz-in 6.0V 211.09 oz-in Average
Speed	7.4V 0.12 sec/60° 6.0V 0.13 sec/60° Average
Physical
Weight	2.19 ozAverage
Dimensions	L 1.587 in W 0.795 in H 1.413 in
Drivetrain
Motor Type	Coreless
Gears	Steel
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	180°
Control System	PWM
Electrical & Environment
Operating Voltage	6–7.4 V
Water Rating	Waterproof
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 48% of 1043 Digital Standard servos at 6.0V
Speed	Average Faster than 55% of 1041 Digital Standard servos at 6.0V
Weight	Average Lighter than 54% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	3.00–5.41 W
Power Density	3.037 W/in³ More power-dense than 59% of 1759 Digital Standard servos
Torque Density	3.4047 oz-in/g Stronger than 49% of 1036 Digital Standard servos
Torque-to-Volume Ratio	118.41 oz-in/in³ Denser torque than 50% of 1042 Digital Standard servos
Speed-to-Weight	0.12407 (1/sec·g) Faster than 56% of 1033 Digital Standard servos
Speed-Torque Trade-off	27.44 Better balanced than 48% of 1031 Digital Standard servos
Torque Gain per Volt	47.46%/V More voltage-responsive (torque) than 99% of 850 Digital Standard servos
Speed Gain per Volt	5.96%/V More voltage-responsive (speed) than 3% of 871 Digital Standard servos
Voltage Range Width	1.4 V Wider voltage range than 32% of 1539 Digital Standard servos