ESK478M025AN2AA

Series:	ESK
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4700µF
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:	General Purpose
Lead Spacing:	0.295" (7.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Height - Seated (Max):	1.496" (38.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are capacitors that use a thin layer of oxide film on the surface of an aluminum foil as the dielectric material. This film acts as a dielectric that can store charge and results in the well-known property of capacitors: the ability to store electric charge and thus release it when needed. This type of capacitor is widely used in many applications due to its high capacitance and low distortion characteristics.

ESK478M025AN2AA

The ESK478M025AN2AA is an aluminum electrolytic capacitor from Panasonic. It is a radial-type capacitor rated for high capacitance, high stability, and low series resistance. The capacitor has a rated capacitance of 470uF, a rated voltage of 25V, and a tolerance of +/- 20%. It also has an operating temperature range of -40 °C to +85 °C and a rated ripple current of 520mA. The ESK478M025AN2AA is widely used in many applications, such as audio equipment, power supplies, and automotive systems. It is widely used in the industry, especially in power supplies and audio equipment, due to its reliable performance.

Application Field and Working Principle

The application fields of aluminum electrolytic capacitors vary greatly. One of the most common applications is in power supplies, where these capacitors are used to store and release electric energy as needed. This type of capacitor is also widely used in audio equipment, where its low distortion characteristics make it ideal for high-quality audio output. Additionally, aluminum electrolytic capacitors are also often used in automotive systems, computers, and other electronic devices. The working principle of an aluminum electrolytic capacitor is relatively simple. The device consists of two aluminum electrodes separated by a thin layer of oxide film. The electric charge is stored in this thin layer of oxide film, and when a electric potential is applied across them, electric charge is transferred from one plate to the other. This charge transfer is what creates the capacitor\'s capacitance which is its ability to store electric charge and thus release it when needed. As the charge is transferred, electric current is produced, which we refer to as the capacitor\'s leakage current. This leakage current is kept to a minimum in select capacitors such as the ESK478M025AN2AA and is closely monitored to ensure the capacitor is operating properly.

Conclusion

Aluminum electrolytic capacitors are widely used in many applications and have been used in the industry for many years. The ESK478M025AN2AA is a high-quality aluminum electrolytic capacitor from Panasonic with excellent reliability. Its application fields are varied, ranging from power supplies and audio equipment to automotive systems and other electronic devices. Its working principle is relatively simple, as it consists of two aluminum electrodes separated by an oxide film that stores charge and results in the capacitor\'s capacitance.

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