EKXJ201ELL271MU45S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.831" (46.50mm)
Size / Dimension:	0.571" Dia (14.50mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	2.9025A @ 100kHz
Ripple Current @ Low Frequency:	1.29A @ 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:	200V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors are energy-storing components that are used in a wide range of electronic applications. In order to better understand the application field and working principle of the EKXJ201ELL271MU45S, it is important to first look at the structure of an aluminum electrolytic capacitor.An aluminum electrolytic capacitor contains two aluminum foils that are separated by a paper separator soaked in an electrolyte. One of the aluminum foils is etched, and then both foils are rolled up, leaving one of its edges exposed. The exposed surfaces are coated with a dielectric oxide film which acts as the dielectric of the capacitor. An outer metal casing is then placed around the aluminum foils to seal the capacitor.Now that we know the structure of an aluminum electrolytic capacitor, it is time to focus on the application field and working principle of the EKXJ201ELL271MU45S. This type of aluminum electrolytic capacitor, also known as a polarized electrolytic capacitor, is used in applications such as smoothing or decoupling of currents in circuits. Its working principle is based on the fact that the dielectric oxide film on its exposed surfaces acts as an insulator between the two foils.When a voltage is applied across the two foils, one of the foils is charged up with the electrolyte ions. This in turn creates an electric field across the dielectric oxide film which creates the capacitance. The magnitude of the capacitance is determined by the area of the exposed surfaces, the dielectric constant of the dielectric oxide film, and the distance between the two foils. The EKXJ201ELL271MU45S has a capacitance of 27 μF.The EKXJ201ELL271MU45S is ideal for applications in which the currents need to be smoothened or decoupled. The capacitance and the voltage rating of this aluminum electrolytic capacitor make it suitable for high frequency circuits. This type of capacitor is also used in filtering circuits to reduce noise and provide an analog reference signal.In conclusion, the application field and working principle of the EKXJ201ELL271MU45S aluminum electrolytic capacitor are quite straightforward. Its structure consists of two aluminum foils separated by a paper separator and coated with a dielectric oxide film. The electric field created by the voltage applied across the two foils creates the capacitance. The EKXJ201ELL271MU45S is ideal for applications where currents need to be smoothened or decoupled and is suitable for high frequency circuits.

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