EKMQ401VSN681MA45S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.772" (45.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.0316A @ 50kHz
Ripple Current @ Low Frequency:	2.12A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMQ
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	680µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in electrical circuits, since they are relatively small and can store a large amount of electricity at once. The EKMQ401VSN681MA45S is a specific type of aluminum electrolytic capacitor that is suitable for use in high-temperature, low-voltage power supply applications. Its unique design makes it an ideal choice for use in situations where the capacitance needs to be maintained for long periods of time, such as for filters, pulse shaping devices, and inverters.

Application Field

The EKMQ401VSN681MA45S is a versatile capacitor that can be used in a variety of applications. It is especially well-suited for use in low-voltage power supplies, as it is designed to handle high temperatures without degrading over time. This makes it ideal for use in applications where the capacitance needs to be maintained and stored for extended periods of time. It is also particularly useful in filter applications, as it has low ESR (equivalent series resistance) and is able to maintain a stable voltage over an extended range of frequencies. The long life and reliability of the EKMQ401VSN681MA45S make it suitable for use in a variety of electrical equipment, such as military and medical equipment, LED lighting, and solar panel applications. Additionally, it is suitable for use with other high-temperature devices, such as those found in automotive and aerospace systems.

Working Principle

The EKMQ401VSN681MA45S works on the principle of electrolysis, which is a process in which electrical energy is converted into chemical energy. In this case, the capacitor stores electrical charge in chemical form in the form of electrolytes between two plates. The chemical reaction between the electrolytes and the plates creates an electrical potential, which is what makes the capacitor work. The two plates are made of aluminum foil that is covered with a thin, oxidized layer of aluminum oxide. The electrolyte, which consists of electrolyte molecules and anions, is suspended between the two plates. The capacitor\'s terminals are connected to an external circuit, which controls the amount of charge that is stored in the capacitor. When a voltage is applied to the capacitor, the ions in the electrolyte solution move toward the positive terminal, creating a strong electric field between the two plates. This electric field generates an electric current, which is then stored in the capacitor as charge. When the voltage is removed from the capacitor, the ions in the electrolyte solution move back to the negative terminal, creating an opposite electric field that releases the charge on the capacitor and prevents further accumulation of charge. This allows the capacitor to discharge slowly and over time, allowing it to maintain an even voltage plateau without dropping its charge level. The EKMQ401VSN681MA45S is designed to withstand a wide range of temperatures and is able to maintain a stable voltage over an extended range of frequencies. This makes it particularly suitable for use in low-voltage power supplies and in other applications that require a stable voltage over an extended period of time.

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