E37X401CPN123MFK0M

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	7.520" (191.00mm)
Size / Dimension:	3.504" Dia (89.00mm)
Lead Spacing:	1.250" (31.75mm)
Ripple Current @ High Frequency:	42.441A @ 10kHz
Ripple Current @ Low Frequency:	31A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	U37X
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	15000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	9 mOhm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	12000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, commonly referred to as electrolytic capacitors, are an important component of all electronic circuits, and are used in a wide variety of applications such as amplifiers, filters, power supplies, precision timing, and other analog or digital circuits. E37X401CPN123MFK0M is a popular aluminum electrolytic capacitor, with an application field and working principle that will be further explored in this article.Aluminum electrolytic capacitors are typically constructed with two aluminum foils, one of which is etched with a pattern of etched foil electrodes. The etched electrodes act as the two plates of the capacitor. An insulating oxide layer is then grown on the etched surface to form a dielectric layer. Finally, the two plates are miniaturized into their desired shapes and connected with a conductive lead wire. This type of capacitor is also referred to as an etched foil capacitor.E37X401CPN123MFK0M aluminum electrolytic capacitors have a wide range of applications in various industries. These capacitors are commonly used in precision timing and analog circuits. They are particularly suitable for applications that require frequency and timing accuracy, such as digital systems and RF applications. E37X401CPN123MFK0M aluminum electrolytic capacitors are also used for power supplies, in a variety of applications such as audio amplifiers and DC-to-DC converters.The working principle of aluminum electrolytic capacitors depends on the electrolyte used in their construction. The electrolyte creates a reaction between the electrolyte and the anodized aluminum plates of the capacitor. This results in the creation of a dielectric layer between the two plates of the capacitor. The dielectric layer acts as an insulator, allowing the capacitor to store energy by creating a separation between the two plates of the capacitor.Aluminum electrolytic capacitors, including E37X401CPN123MFK0M, are characterized by their high capacitance, low equivalent series resistance (ESR) and low equivalent series inductance (ESL). The high capacitance of aluminum electrolytic capacitors makes them particularly suitable for the storage of large amounts of energy. The low ESR of the aluminum electrolytic capacitors also means that they are capable of providing a steady and consistent supply of electricity, even in high current conditions, making them ideal for applications that require precise timing and frequency accuracy.When considering the use of aluminum electrolytic capacitors, it is important to keep in mind the limitations of their construction. These capacitors generally have a lower energy density than other types of capacitors, meaning they require a larger physical area to store a given amount of energy. This means that the size of the capacitor must be taken into consideration when designing circuits, as a larger size than usual may be necessary in order to accommodate the desired amount of energy storage. Additionally, aluminum electrolytic capacitors have lower tolerances than other types of capacitors, meaning they need to be carefully matched and selected in order to precisely meet the desired specifications.In conclusion, E37X401CPN123MFK0M aluminum electrolytic capacitors are a versatile and reliable component that are used in a variety of applications. Their high capacitance, low ESR, and low ESL make them particularly suitable for precision timing and analog circuits, as well as power supplies. It is important to keep in mind that the size of the capacitor must be taken into consideration when designing circuits, as aluminum electrolytic capacitors generally have a lower energy density and require more physical area than other types of capacitors. Additionally, aluminum electrolytic capacitors have lower tolerances than other types of capacitors, meaning they need to be carefully matched and selected in order to precisely meet the desired specifications.

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