EKMH250VSD153MA30T

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.5316A @ 100kHz
Ripple Current @ Low Frequency:	3.27A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMH
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	33 mOhm @ 120Hz
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	15000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: EKMH250VSD153MA30T

Aluminum electrolytic capacitors are widely used components in electronics circuits. The EKMH250VSD153MA30T is an aluminum electrolytic capacitor with maximum working voltage of 250V and maximum capacitance of 153μF. It is a popular choice for applications that require high voltage and high capacitance, such as converting AC line voltage to DC voltage, stabilizing output voltages of power supplies, and smoothing rectified current.

Construction

The EKMH250VSD153MA30T is a radial lead type aluminum electrolytic capacitor. It consists of a cylindrical aluminum can as its outer shell, pressed with a metallized plastic film as its cathode, and filled with an electrolyte. Inside this shell, two electrodes or “plates” are wound in a concentric coil pattern. A gas- and oil-tight seal is made between the can and its end caps. A cathode pin is soldered to the outside of the bottom end cap.

Working Principle

As electricity passes through the capacitor, a charge develops across its two plates. When high voltage is applied, electrons from the positive plate pass through an insulating layer on the negative plate, leaving positively charged ions on the negative plate. The insulating layer, thick enough to prevent leakage of electrons from the negative plate, also prevents current from passing from plate to plate.The capacitance of the aluminum electrolytic capacitor is determined by the number of plates, the sizes of the plates, and the distance between the plates, as well as the dielectric constant of the insulating layer. During operation, an electrostatic field is built up within the capacitor, generating a charge on the plates. The charge carriers on the plates induce a current that creates an electric field, which opposes the original electrostatic field. The amount of electrical energy stored in the capacitor is determined by the strength of the electrostatic field.

Advantages

Aluminum electrolytic capacitors are known for their high capacitance in a small package as well as their long life with few failures. Other advantages include their low equivalent series resistance and their low inductance, which reduces unwanted noise in circuits. Additionally, aluminum electrolytic capacitors can typically tolerate higher temperatures than non-electrolytic types, making them ideal for environments with limited space and high temperatures.

Applications

The EKMH250VSD153MA30T aluminum electrolytic capacitor is suitable for a wide range of applications, including switching power supplies, AC adaptation, DC/DC converters, UPS uninterruptible power supply, battery backup systems, and anywhere high voltage and high capacitance is required. It is also used in special applications, such as in high frequency inverters and electric drive systems, where it handles high frequency current and voltage.

Conclusion

The EKMH250VSD153MA30T aluminum electrolytic capacitor is a popular and versatile component for a wide range of applications. With its high capacitance and voltage, and extensive list of features and advantages, it is the ideal choice for applications requiring high performance and reliability.

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