EKMM401VNN680MQ20S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	657.8mA @ 50kHz
Ripple Current @ Low Frequency:	460mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMM
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	3.656 Ohm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are electronic components used to store electrical energy in an electric field. The electrostatic capacitors are used in a variety of applications and are widely used in audio, video, consumer electronics, telecommunications, computing, and instrumentation applications. The aluminum electrolytic capacitor, also known as an aluminum electrolytic, is a type of electrolytic capacitor that utilizes an anode made from an aluminum foil and a solid electrolyte. This combination allows for the most compact design and highest capacitance of any type of capacitor available. The EKMM401VNN680MQ20S is a specialized aluminum electrolytic capacitor that is designed to offer a high capacitance value in a small case size. It is constructed utilizing an anode made of a highly porous layer of aluminum with a rated working voltage of 20V. The electrolyte is a liquid form, which eliminates the need for an additional containment can. This capacitor is designed to operate in the temperature range of -55 to +85°C. It has a ripple current rating of 1200mA and an ESR rating of 0.018ohms. The EKMM401VNN680MQ20S is suitable for a wide range of applications including medical devices, power supplies, control circuits, and other general purpose applications where a high capacitance value is required. One of the most common applications for this capacitor is for filtering the power supply and providing a stable voltage source. The high capacitance allows for a low ESR rating, which leads to lower ripple and noise, resulting in improved stability and reliability.The primary purpose of aluminum electrolytic capacitors is to store energy and to cater for specific industries or applications. A characteristic feature of aluminum electrolytic capacitors is the much higher capacitance-to-volume ratio when compared to other types of capacitor. As a result of this, the size of aluminum electrolytic capacitors can be significantly smaller when compared to other types of capacitors, which makes them ideal for use in space-limited designs. A key feature of the EKMM401VNN680MQ20S aluminum electrolytic capacitor is that its working principle is based on the Leaky Dielectric effect. This key feature occurs when the electrolyte reacts with the aluminum anode, and an oxide film starts to form on the surface of the anode. The presence of this oxide film and its electrical potential create an electrostatic field to store and discharge electric energy.When the voltage across the capacitor varies, the electrical charge can be quickly discharged with high current and low ESR values. In addition to the Leaky Dielectric effect, there is also anionic migration which occurs during the discharge process. Anionic migration is the movement of ions from the electrolyte solution to the anode, which further reduces the capacitance of the capacitor. This is why it is important to design the capacitor for low ESR values in order to reduce the anionic migration.The EKMM401VNN680MQ20S aluminum electrolytic capacitor can operate in a wide range of temperatures and has a high voltage rating which makes it suitable for filtering applications. It also has a low ESR value, which ensures a smooth and stable voltage supply. Its compact size makes it suitable for use in space-limited circuits, while its high capacitance allows for a higher current to be used in the circuit.

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