EKZN350ELL681MJ25S

Series:	KZN
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	680µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	10000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.74A @ 120Hz
Ripple Current @ High Frequency:	2.9A @ 100kHz
Impedance:	26 mOhms
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Height - Seated (Max):	1.043" (26.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors – EKZN350ELL681MJ25S Application Field and Working Principle

Aluminum electrolytic capacitors, also known as electrochemical capacitors or tantalum capacitors, are the most commonly used type of capacitor in electronics. They come in a wide range of sizes, capacities, and shapes and are used in many, if not most, of the electronic devices we use. Because of their wide range of uses, they’re often referred to as general-purpose capacitors.The EKZN350ELL681MJ25S aluminum electrolytic capacitor is a radial leaded aluminum electrolytic with a tolerance of ±20%. The device is rated for a voltage of 6.3 VDC, for a maximum working temperature of 105 °C, and for a life of 1000 hours at 105 °C. The capacitance value is 22 μF, with a capacitance tolerance of ±20%. The ESR is 0.022 Ω, with a surge current rating of 17.3A.The basic principle of an aluminum electrolytic capacitor is that an aluminum plate is used as the negative plate, an electrolytic solution is used as the medium, and a solid manganese dioxide electrolyte is used as the positive plate. When a voltage is applied across the capacitor, a reaction occurs between the electrolyte and the aluminum plate, forming an oxide layer that stores energy. This layer is referred to as the capacitor dielectric. When the voltage is applied, a current flows around the capacitor, which is a function of the capacitance (C) and capacitive reactance (X).The application field of an aluminum electrolytic capacitor is quite broad: these capacitors are typically used for signal filtering, signal coupling, high-frequency by-pass, pulsed power supply, and signal control. The EKZN350ELL681MJ25S is used in signal coupling, high frequency by-pass, and pulsed power supply applications. These devices are also used extensively in switching power supplies and DC-DC converters, as these devices are able to withstand the high ripple currents and high-frequency switching of such circuit designs.In addition to their ability to withstand high ripple currents and fast switching, aluminum electrolytic capacitors have several other advantages over other types of capacitors. For example, they can be manufactured in larger sizes than most other capacitor types, which makes them suitable for applications that require large capacitance values. They also have a relatively large capacitance to volume ratio and can be manufactured to have a very low ESR (Equivalent Series Resistance). This gives them a significant advantage over ceramic capacitors in terms of power dissipation.In conclusion, the EKZN350ELL681MJ25S aluminum electrolytic capacitor is a radial leaded device with a voltage rating of 6.3 VDC, a maximum working temperature of 105 °C, and a life of 1000 hours at 105 °C. This device is used in signal coupling, high-frequency by-pass, and pulsed power supply circuits, due to its ability to withstand high ripple currents and fast switching. In addition to its robustness and ability to handle high ripple currents and fast switching, it also has several other advantages, such as a high capacitance to volume ratio and a low ESR.

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