450WXA33MEFCGC18X25

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	357mA @ 10kHz
Ripple Current @ Low Frequency:	238mA @ 120Hz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	WXA
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	33µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction

Aluminum electrolytic capacitors are widely used due to their small size and high capacity. They are formed by combining two foils and an electrolyte. The foils provide the plates of the capacitor and the electrolyte of the electrochemical cells, thus forming the capacitor\'s dielectric. This type of capacitor is made from highly conductive aluminum materials, such as aluminum foil, and features a wide range of applications in power electronics, digital and analog circuits, and more. This article will explore the application field and working principle of the 450WXA33MEFCGC18X25 aluminum electrolytic capacitor.

Application Field

The 450WXA33MEFCGC18X25 aluminum electrolytic capacitor is specialized and designed for High Frequency, Low ESR, and High Ripple Current applications. It is mainly used for general purpose and power line applications, in which it is applied DC power supply, Voltage Regulation Circuit, switch mode power supply, DC-DC converter, solar inverter, Hybrid electric vehicle, inverter for aircrafts’ onboard charger, and other circuits requiring good high frequency, and current carrying capacity. The high ripple current capability makes it suitable for frequently-switched circuits. Due to its low ESR, it can filter and absorb transient noise which is generated during operational cycles.The capacitors also offer a wide operating temperature range of -55 degrees Celsius to +125 degrees Celsius, a maximum ripple current of 720A at 125 degrees Celsius, a capacitance of 33uF and an operating voltage of 450WX. It has a wide capacitance tolerance with 130-50-20, a smaller size of 18x25mm, and a longer shelf life of 6500hrs. All of these features ensure that these capacitors can be used for a wide variety of High Frequency, low ESR, and High Ripple Current applications.

Working Principle

The 450WXA33MEFCGC18X25 aluminum electrolytic capacitor makes use of an electrolytic solution which has ions and electrical charge particles. It has two metallic foils an anode aluminum foil and a cathode aluminum foil. The anode is immersed into the electrolyte causing the formation of a thin film of oxide on its surface. This thin film acts as a dielectric for the capacitor, allowing the electrical charge to be stored on the two metal plates. The anode and cathode plates are connected to the terminals of the capacitor, which are separated by a small space, allowing a current to flow. As the current flows through the capacitor, an electric field is generated which causes a charge to be stored on the metallic plates. This electric field is maintained as long as the current is applied. When current is removed, the electric field is also removed, thus allowing the capacitor to retain stored electric charge for a certain period of time.

Conclusion

In conclusion, the 450WXA33MEFCGC18X25 aluminum electrolytic capacitor is a perfect choice for High Frequency, Low ESR and High Ripple Current applications. This type of capacitor is made from highly conductive aluminum materials, such as aluminum foil, and features a wide range of applications in power electronics, digital and analog circuits. It has a wide capacitance tolerance with 130-50-20, a smaller size of 18x25mm, and a longer shelf life of 6500hrs. The working principle of this particular capacitor is based on the principle of electrolysis, using a specialized electrolyte solution to create a thin film of oxide on the foil which acts as the dielectric layer. This electric field which is created by the current causes a charge to be stored on the metallic plates of the capacitor.

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