CYS S8213

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-27

Identity
Brand
Product Number	CYS-S8213
Category	Hobby
Performance
Torque	7.4V 41.66 oz-in 6.0V 38.88 oz-in
Speed	7.4V 0.12 sec/60° 6.0V 0.14 sec/60°
Running Current	7.4V 0.150 A 6.0V 0.120 A
Stall Current	1–1.3 ABelow Average
Physical
Weight	0.71 ozAverage
Dimensions	L 1.142 in W 0.531 in H 1.197 in
Drivetrain
Motor Type	Cored
Gears	Metal
Gear Spline/Teeth	25 T
Rotation Mode	Positional
Control & Signal
Modulation	Analog
Direction	Counterclockwise
Rotational Range	90°
Pulse Cycle	20 ms
Pulse Width	1000-2000 µs
Neutral Position	1500 µs
Dead Band	4 µs
Control System	PWM
Programmable	No
Electrical & Environment
Operating Voltage	4.8–6 V
Temperature	-10–50 °C
Idle Current	0.020 A
Connectivity
Connector	JR (Universal)
Wire Length	300 mm
Origin
Country of Origin	China

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight	Average Lighter than 44% of 155 Analog Mini servos
Stall Current	Below Average Lower draw than 31% of 27 Analog Mini servos

Performance Analysis

Shaft Power	0.51–0.64 W
Power Density	0.884 W/in³ More power-dense than 57% of 153 Analog Mini servos
Torque Density	1.9440 oz-in/g
Torque-to-Volume Ratio	53.56 oz-in/in³
Speed-to-Weight	0.35714 (1/sec·g)
Speed-Torque Trade-off	5.44
Current-per-Torque Ratio	0.0334 A/oz-in
Idle-to-Running Current Ratio	0.167
No-Load vs Stall Current Spread	10.83
Voltage Range Width	1.2 V Wider voltage range than 29% of 85 Analog Mini servos
Dead-Band-to-Pulse-Width Ratio	0.0040 Finer dead band than 58% of 20 Analog Mini servos