SK222M035ST

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.339" (34.00mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Applications:	General Purpose
Ratings:	--
Polarization:	--
Series:	SK
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	140 mOhm
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	2200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors – SK222M035ST Application Field and Working Principle

Aluminum Electrolytic Capacitors are a class of capacitors which utilize a thin layer of aluminum oxide as the dielectric medium in order to store energy. The technology has a wide variety of applications in both consumer and industrial electronics and is the technology of choice for several circumstances. The SK222M035ST is an aluminum electrolytic capacitors whose structure and design make it suitable to use in many situations where space is limited.

Design and Structure

The SK222M035ST is a type of aluminum electrolytic capacitor with a self-healing effect and long life span. The design of the capacitor has a base of sintered tantalum and capacitor lead rods. These features allow the capacitor to have a compact size when compared to traditional capacitors and even other aluminum electrolytic capacitors. This makes the SK222M035ST ideal for use in situations with limited space such as cars, mobile phones, drones, and consumer electronics. The internals of the capacitor also feature a safety valve that allows for easy venting of pressure when the capacitor becomes overloaded.

Working Principle and Operation

The working principle of an aluminum electrolytic capacitor is the same as any other capacitor in the way that the device stores an electric charge. This charge is stored across two conductive plates, separated by an insulating material known as the dielectric medium. As current flows through the plates, an electric charge builds and once this reaches a point where one of the plates is positive and the other is negative, the capacitor holds a charge. In the case of the SK222M035ST, the main difference lies in the construction and the use of the aluminum oxide as the dielectric medium. This type of capacitor is designed with a heavy anode of aluminum and an etched porous cathode. The aluminum cathode provides a strong hydrophilic effect and because of this, when the electrolyte enters the pores, an insoluble aluminum oxide film is formed and serves as a dielectric medium. This creates a low equivalent series resistance (ESR) which enhances the high frequency characteristics, ripple current capabilities, and noise suppression of the capacitor.

Applications

Due to the range of features enabled by its design, the SK222M035ST is suitable for a variety of applications, specifically in situations where space is limited. The features of the capacitor make it ideal for use as a voltage stabilizer in mobile phones, cars, drones, and consumer electronics. It can also be used to supply large pulses of current in a controlled manner, making it suitable for applications such as appliances that require a rapid start or stop. In addition, the SK222M035ST’s ability to hold a large amount of energy and withstand large fluctuations in voltage and current makes it suitable for use in a variety of applications such as motor drives, power supplies, and actuators, as well as in other devices and appliances with similar power requirements.

Conclusion

The SK222M035ST is a type of aluminum electrolytic capacitor which is able to store electricity due to its construction which utilizes aluminum oxide as the dielectric medium. Its small size and enhanced performance compared to traditional capacitors make it ideal for use in situations where space is limited. In addition, its ability to hold a large amount of energy and withstand large fluctuations in voltage and current makes it suitable for use in a variety of applications such as motor drives, power supplies, and actuators, as well as in other devices and appliances with similar power requirements.

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