UPW1E222MHD3

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.398" (35.50mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	22 mOhms
Ripple Current @ High Frequency:	2.51A @ 100kHz
Ripple Current @ Low Frequency:	2.134A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPW
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	7000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
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

Aluminum electrolytic capacitors are among the most commonly used types of capacitors available. They are typically used in a variety of applications and are known for their high capacitance and for the fact that they are highly reliable when used appropriately. In this article, we will discuss the application field and working principle of the UPW1E222MHD3 capacitor which is a specific type of aluminum electrolytic capacitor.

Uses of the UPW1E222MHD3 Capacitor

The UPW1E222MHD3 capacitor is primarily used in power circuits and as a filtering device in DC-DC converter, Battery Voltage Regulation and output smoothing circuits. It is mainly used in automotive applications due to its high temperature endurance and low ESR.

Working Principles of the UPW1E222MHD3 Capacitor

Aluminum electrolytic capacitors are made up of an aluminum oxide layer that acts as a dielectric. The oxide layer is formed by anodizing the aluminum on both ends to produce a thicker layer of oxide. The oxide layer forms a naturally forming junction with the aluminum, preventing it from conducting electricity. This layer of oxide, along with the electrolyte being used, create a separator between the two plates of the capacitor.To produce capacitance, electric fields are created when voltage is applied across the capacitor. When voltage is applied, a current is produced which causes the oxide layer to breakdown, creating a small electrical arc. This effect is known as dielectric breakdown, and it is the basis for how an aluminum electrolytic capacitor is able to produce a very high capacitance.The UPW1E222MHD3 capacitor has an ESR of 1.5 mΩ and is a 20V rating, operating temperature range from -20°C to +125°C. It is designed with a high-grade pure aluminum material and a plate structure that prevents oxidation and provides good heat dissipation. Additionally, high-grade electrolyte is used, along with an insulating sleeve to ensure that the capacitor does not short out.

Conclusion

The UPW1E222MHD3 capacitor is a common type of aluminum electrolytic capacitor that is used in many applications. Its popularity is due to the fact that it has a high capacitance and a very low ESR. Additionally, its wide operating temperature range and high-grade material makes it especially useful in automotive applications. Finally, understanding the working principle of the UPW1E222MHD3 capacitor can help one gain a better understanding of aluminum electrolytic capacitors in general.

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