25JEV220M8X10.5

Series:	JEV
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	High Temperature Reflow
Ripple Current @ Low Frequency:	300mA @ 120Hz
Ripple Current @ High Frequency:	360mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.413" (10.50mm)
Surface Mount Land Size:	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Introduction

Aluminum electrolytic capacitors are a type of capacitors with high capacitance and good stability. They are widely used in various electronic products and have been playing an increasingly important role in our daily life. The 25JEV220M8X10.5 application field and working principle represent the typical characteristics of aluminum electrolytic capacitors.

25JEV220M8X10.5 aluminum electrolytic capacitors’ application field

25JEV220M8X10.5 aluminum electrolytic capacitors are commonly used in power supplies, computer motherboards, and high-frequency circuit applications. For example, capacitors with low equivalent series resistance values are used in voltage regulation circuits of computer power supplies to reduce noise, lower ripple current, and provide stable output.25JEV220M8X10.5 aluminum electrolytic capacitors are also extensively used in TV sets, cellphone base stations, microwave ovens, and other high-frequency circuits. For example, in TV sets, they are used for power line filtering and effective power storage, which ensures the stable operation of the TV sets. In cellphone base stations, they are employed for energy storage of the transmitter exciter. In microwave ovens, they are used to filter the output voltage and reduce RF noise.

25JEV220M8X10.5 aluminum electrolytic capacitors’ working principle

An aluminum electrolytic capacitor usually consists of two aluminum foils, insulating paper, and an electrolyte. A positive potential is applied to the anodic foil, and a negative potential is attached to the cathodic foil. A metal oxide layer forms on the anodic foil’s surface when the capacitor is assembled. This layer is used as the dielectric layer that can bear a certain amount of energy.The dielectric constant of the oxide layer is approximately 10 times that of air, thus resulting in a large capacitance value. The capacitor can store electric energy due to the presence of the metal oxide layer between the two conducting electrodes. Whenever the capacitor is connected to a DC source, charge is added to the positive electrode (anode), and the charge is stored in the oxide layer.The capacitance value of the 25JEV220M8X10.5 aluminum electrolytic capacitor is dependant on the thickness of the oxide layer, as well as the surface area of aluminum foil. The rated capacitance of the capacitor is determined by balancing the needed capacitance, applied voltage, and working temperature.

Conclusion

25JEV220M8X10.5 aluminum electrolytic capacitors are widely used in various electronic products. They have a large capacitance value due to the presence of a metal oxide dielectric layer between the two conducting electrodes. The capacitance value of 25JEV220M8X10.5 aluminum electrolytic capacitor is determined by balancing the needed capacitance, applied voltage, and working temperature. The 25JEV220M8X10.5 aluminum electrolytic capacitors are employed in power supplies, computer motherboards, TV sets, cellphone base stations, and microwave ovens.

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