Operating Temperature:	-55°C ~ 105°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Applications:	General Purpose
Ratings:	--
Polarization:	--
Series:	SEK
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	50 mOhm
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	6800µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

SEK682M025ST application field and working principle

Aluminum electrolytic capacitors are widely used in many types of daily electrical applications due to the many advantages they offer over other types. The SEK682M025ST aluminum electrolytic capacitor is a particularly versatile and robust component that can be used in a range of different applications and environments. In this article, we’ll explore the application field of the SEK682M025ST and the working principle of its internal components.

Application Field

The SEK682M025ST aluminum electrolytic capacitor has a wide range of possible uses, but the most common are in switching power supplies, filters and other applications where relatively large capacitance values are needed in a relatively small package. The SEK682M025ST has various advantages that make it desirable for such applications. For instance, the SEK682M025ST has a temperature range of -40 °C to +105 °C, making it suitable for operation in relatively harsh environments. Its power supply noise rejection and ripple current specifications are also quite impressive, meaning it can help reduce unwanted electrical noise and interference. In addition, the SEK682M025ST is quite robust structurally and able to withstand up to 1000 hours of soldering.

Working Principle

The working principle of the SEK682M025ST aluminum electrolytic capacitor can be divided into two distinct components: its outer shell and inner component. The outer shell is constructed from an aluminum alloy, which provides structural rigidity and protection for the internal component. The internal component consists of a layer of metal foil (usually aluminum) and a paper material that is impregnated with a liquid electrolyte. This metal foil acts as the positive electrode and is attached to the metal case of the capacitor. The paper impregnated with electrolyte is the negative electrode, and it is placed over the metal foil. When an electrical current is applied, the negative electrode will react with the electrolyte and release electrons. These electrons will be attracted to the positive electrode, allowing them to move through the metal foil and create a current of electricity. This current of electricity is what creates the capacitance of the SEK682M025ST aluminum electrolytic capacitor.

Conclusion

The SEK682M025ST aluminum electrolytic capacitor is a versatile and robust component with a wide range of potential uses. It is capable of withstanding relatively harsh environments and can help reduce power supply noise and ripple current. Furthermore, understanding the working principle of the SEK682M025ST gives us insight into the internal components and how they allow the capacitor to store an electrical charge when an external electrical current is applied.

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