EKMQ250ELL221MF11D

Series:	KMQ
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	200mA @ 120Hz
Ripple Current @ High Frequency:	300mA @ 100kHz
Lead Spacing:	0.098" (2.50mm)
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.492" (12.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

The application and working principles of the EKMQ250ELL221MF11D aluminum electrolytic capacitor type are focused on in this article. An aluminum electrolytic capacitor, also called an electrolytic capacitor, is a device employing a current conducting material called an electrolyte to achieve great capacitance values and high levels of electrical stability. This makes it an ideal choice for electronics applications as an energy storage device, power factor correction, signal filtering, and power conditioning.The EKMQ250ELL221MF11D is an aluminum electrolytic capacitor type with an electrolyte of organic solvent, conductive polymer and a three-layer structure of an anode aluminum foil, a separator, and a cathode. It has a rated voltage of 16V and a capacitance of 10µF. It has a maximum operating temperature of 85° C and a service life of 2000 hours.The application fields of EKMQ250ELL221MF11D can be divided into three categories. Firstly, they are used in high power LED lighting systems to ensure stable signal switching, improve the power factor, suppress surges and lightning strikes, reducing LED flickering and prolong LED lifetime. Secondly, they can be used in power inverters and solar power inverters as DC link capacitors in order to conduct electric current, convert electrical energy into mechanical energy, and reduce the harmonic content of current. Last but not least, EKMQ250ELL221MF11D can be used for signal filtering to reduce electromagnetic interference, suppressing surge and lightning, and improve signal integrity in AC line protection.In terms of the working principle of EKMQ250ELL221MF11D, its operation is based on electrolysis. An electric field is applied across the anode and the cathode of the capacitor, resulting in electrolysis of the material between the two electrodes. This creates ions which migrate to the respective electrodes where they collect and form the electric field. The ions then form a dielectric layer between the two electrodes and the capacitor begins to function. This dielectric layer is created due to the polarization effect of the electrode. This means that if the electric field is reversed, the dielectric layer gets weaker and the capacitor ceases to be effective.In summary, EKMQ250ELL221MF11D is an aluminum electrolytic capacitor type with an electrolyte of organic solvent, conductive polymer and a three-layer structure. It can be applied in power LED lighting systems, power inverters and solar power inverters and signal filtering. Its working principle is based on electrolysis, focusing on electric field application, creation of ions and formation of dielectric layer.

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