Racerstar PS5520MG

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Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	PS5520MG
Category	Hobby
Performance
Torque	6.0V 282.19 oz-in 4.8V 239.56 oz-in Top 10%
Speed	6.0V 0.16 sec/60° 4.8V 0.18 sec/60° Average
Physical
Weight	1.94 ozBelow Average
Dimensions	L 1.59 in W 0.80 in H 1.57 in
Drivetrain
Motor Type	Brushed
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	120°
Neutral Position	1520 µs
Dead Band	7 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal)
Wire Length	260 mm

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Amazon eBay

*Based on known specs.

Class Comparison

Torque	Top 10% Stronger than 99% of 198 Analog Standard servos at 4.8V
Speed	Average Faster than 49% of 195 Analog Standard servos at 4.8V
Weight	Below Average Lighter than 28% of 448 Analog Standard servos

Performance Analysis

Shaft Power	2.46–3.26 W
Power Density	1.633 W/in³ More power-dense than 96% of 433 Analog Standard servos
Torque Density	4.3556 oz-in/g 2nd-highest torque density of 198 Analog Standard servos
Torque-to-Volume Ratio	119.96 oz-in/in³ 3rd-highest torque-to-volume ratio of 198 Analog Standard servos
Speed-to-Weight	0.10101 (1/sec·g) Faster than 32% of 195 Analog Standard servos
Speed-Torque Trade-off	43.13 Better balanced than 97% of 195 Analog Standard servos
Torque Gain per Volt	14.83%/V More voltage-responsive (torque) than 49% of 156 Analog Standard servos
Speed Gain per Volt	10.43%/V More voltage-responsive (speed) than 14% of 156 Analog Standard servos
Voltage Range Width	1.2 V Wider voltage range than 6% of 239 Analog Standard servos