EKMM401VSN221MQ40S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.573A @ 50kHz
Ripple Current @ Low Frequency:	1.1A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMM
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	1.13 Ohm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, sometimes known as electrolytic capacitors, are a type of capacitors characterized by their relatively large capacitance values combined with their low level of parasitics when compared to other capacitor technologies. This type of capacitor has become increasingly popular and widely used in many electronics applications over the last few decades, due to its drastically reduced size, inherent efficiency, and versatility.Aluminum electrolytic capacitors generally consist of two foil electrodes that are separated by a thin, porous material such as an electrolyte. This thin layer of electrolyte acts like a dielectric, allowing only electric fields to pass through, while keeping positive and negative charges on the respective foils. This separation of the charge allows for the formation of an electric field across the gap, allowing the capacitors to store electrical energy.The EKMM401VSN221MQ40S aluminum electrolytic capacitors are a type of surface-mount aluminum electrolytic capacitors designed for high-voltage, low-inductance, and low-noise applications. These capacitors are designed to offer excellent performance in applications requiring high frequency operation, such as power supplies, audio amplifiers, and motor controllers.

EKMM401VSN221MQ40S Application Field and Working Principle

The EKMM401VSN221MQ40S aluminum electrolytic capacitors are designed specifically for use in a range of high-voltage applications, such as high voltage power supplies, audio amplifiers, and motor controllers. These capacitors have their foils separated by an electrolyte, which allows for the formation of an electric field across the gap, and hence, enables them to store electrical energy.Due to their ability to store electrical energy at high voltages and frequencies, they are well suited for applications involving high-frequency operation, such as power supplies and audio amplifiers. Additionally, these capacitors are designed to offer low levels of inductance and noise, making them ideal for applications that require high levels of accuracy or minimal interference.The working principle of the EKMM401VSN221MQ40S aluminum electrolytic capacitors is fairly simple. When a voltage is applied to the two foils of the capacitor, a current is induced to flow through the electrolyte – this current is then used to charge the capacitor and hence, store electrical energy. As the voltage is increased, more and more charge is transferred to the capacitor, increasing its capacitance and thus, its ability to store electrical energy. When the capacitor is depleted of charge, it is simply reversed to discharge the electrical charge and the cycle is repeated.

Conclusion

The EKMM401VSN221MQ40S aluminum electrolytic capacitors are one of the most popular and widely used capacitors due to their inherent efficiency, versatility, and reduced size. These capacitors are designed specifically for high-voltage and high-frequency applications, such as power supplies, audio amplifiers, and motor controllers, and are capable of storing electrical energy at high voltages and frequencies. The working principle of these capacitors is fairly simple – they utilize an electrolyte to allow for the formation of an electric field across the gap, which is then used to transfer and store electrical energy.

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