ELXV101ETD121MK25S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.043" (26.50mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	110 mOhms
Ripple Current @ High Frequency:	1.04A @ 100kHz
Ripple Current @ Low Frequency:	364mA @ 120Hz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	LXV
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are one of the most widely used types of capacitors. They are characterized by its electrolyte-coated aluminum plates, which can store electrical energy and provide electrical power for the capacitor circuit. The ELXV101ETD121MK25S is a type of aluminum electrolytic capacitor, which is used in various applications and has specific working principles.

ELXV101ETD121MK25S Application Field

The ELXV101ETD121MK25S aluminum electrolytic capacitor is mainly used in audio/visual equipment, computer peripherals, and consumer electronics, among other fields. It is most commonly applied in electronic power supply, ripple reduction, and power coupling circuit.In the audio/video equipment, this capacitor can be used to replace plastic film capacitors in audio crossover network, to reduce the aluminum foil used in the construction of the component, hence reducing the component size. In computer peripherals such as power supplies, it can play the role of an electrical energy storage, providing constant output voltage. It can also be used as a coupling capacitor to block DC current while allowing AC current to pass through the circuit.

ELXV101ETD121MK25S Working Principle

The ELXV101ETD121MK25S aluminum electrolytic capacitor is made from two thin aluminum foils layered with an electrolyte solution in between them. The positive terminal is connected to one of the aluminum foils, while the negative is connected to the other foil. When the capacitor is connected to a source of electricity, an electric current is passed through the electrolyte solution, causing the surface of the aluminum foils to develop an oxide layer. This oxide layer acts as an insulator and thus prevents the foils from short-circuiting.When a voltage is applied across the two terminals of the capacitor, the electric current between them undergoes capacitance effect which leads to the storage of electrical energy. The energy is then released when the capacitor is discharged, and the current flows in the opposite direction. This principle is commonly used in audio/video equipment as a ripple remover in order to maintain a constant output voltage.

Conclusion

The ELXV101ETD121MK25S aluminum electrolytic capacitor is extensively used in a variety of applications, from audio/video equipment to consumer electronics. It works by providing electrical energy storage through capacitance effect when a voltage is applied across its terminals. The stored energy is then released when the capacitor is discharged, providing a constant voltage output.

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