EKMQ451VSN101MQ25S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.984" (25.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	915.2mA @ 50kHz
Ripple Current @ Low Frequency:	640mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMQ
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	100µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an integral component of modern electronics. In this article, we’re going to provide an overview of aluminum electrolytic capacitors and focus specifically on the EKMQ451VSN101MQ25S application field and working principle. An aluminum electrolytic capacitor consists of two thin layers of aluminum foil which act as the capacitor plates and are separated by a thin insulating oxide layer between them, which is formed in-situ during the manufacturing process. An electrolyte is soaked in between the two aluminum foils, providing the ions necessary for the formation of the dielectric layer.Simply put, aluminum electrolytic capacitors work by storing electric charge and releasing it quickly when required. They have a wide range of applications, such as timing, energy storage, smoothing, stabilizing, signal coupling, decoupling, and more.

Application Fields and Working Principles of EKMQ451VSN101MQ25S

The EKMQ451VSN101MQ25S aluminum electrolytic capacitor is a polarized capacitor with a maximum working voltage of 250 V and a capacitance range of 4.7 -100 uF. It has a ripple current rating of 70 A and a self-healing feature. The EKMQ451VSN101MQ25S is particularly suitable for use in applications with a high DC bias, such as high-power DC/DC converters, high efficiency offline switch mode power supplies (SMPS), and high voltage charging circuits. Its long life and high temperature capability make it ideal for use in these heavy-duty applications which require large capacitors. Its capacitor plates, which consist of thin aluminum foil and special electrolytes, form an oxide layer in-situ which acts as the dielectric. The capacity is determined by the surface area of the plates and the distance between them, as well as the dielectric constant of the electrolyte. When a voltage is applied to the plates, electric charges are stored on them and the capacitance is created.

Conclusion

In conclusion, aluminum electrolytic capacitors are an essential component in modern electronics. The EKMQ451VSN101MQ25S has a wide range of applications and is particularly suitable for use in high-power DC/DC converters, high efficiency offline switch mode power supplies, and high voltage charging circuits. Its long life and high temperature capability make it an ideal choice for these heavy-duty applications which require large capacitors. Its working principle is based on the creation of an oxide layer between two thin aluminum foils and the storage of electric charge on them, which is facilitated by the use of electrolytes. With this in mind, aluminum electrolytic capacitors are an indispensable component in the electronics industry.

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