EKXJ221ELL391MM45S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.831" (46.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	3.645A @ 100kHz
Ripple Current @ Low Frequency:	1.62A @ 120Hz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	KXJ
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	220V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors Introduction

Aluminum electrolytic capacitors are one of the most widely used types of capacitors in modern electronics, due to their high capacitance, low cost, and relatively long life. They are also known as \'electrolytic capacitors\' or simply \'caps\'.The EKXJ221ELL391MM45S is a type of aluminum electrolytic capacitor that is designed for power-stage applications, and is a high-power, long-lifetime capacitor. It is constructed of two aluminum foils, an electrolyte material, and an aluminum oxide layer that forms the dielectric between the two foils.

EKXJ221ELL391MM45S Working Principle

The working principle of the EKXJ221ELL391MM45S is based on the same basic principles as electrolytic capacitors in general. Essentially, when a voltage is applied to the capacitor, the aluminum oxide layer between the two foils will act as a dielectric (an insulator) and prevent current from flowing between the two foils.The electricity builds up on the two foils until the capacitance is reached, creating an electrical charge. This electrical charge can then be used to power other circuits or to store energy, depending on its application.

EKXJ221ELL391MM45S Application Fields

The EKXJ221ELL391MM45S aluminum electrolytic capacitor is primarily used in power-stage applications, such as in energy storage systems or power-conditioning systems. It is also used in audio equipment and industrial equipment, including amplifiers, filters, transducers, amplifiers, and power supplies.It is also used in medical equipment, such as defibrillators, ultrasound machines, and electromyography machines. Finally, it is used in a wide variety of other electronics, such as electronic toys, communications equipment, consumer appliances, and professional audio equipment.

Conclusion

Aluminum electrolytic capacitors such as the EKXJ221ELL391MM45S are one of the most widely used types of capacitors due to their low cost, high capacitance, and relatively long life. They are used in a wide variety of applications, including power-stage applications, audio equipment, medical equipment, and consumer electronics. The working principle behind aluminum electrolytic capacitors is based on the same principles as other types of capacitors, in which a voltage is applied and the electricity builds up until the capacitance limit is reached.

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