EET-HC2S561EA

Operating Temperature:	-25°C ~ 105°C
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.850" (47.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ Low Frequency:	1.9A @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	TS-HC
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	326 mOhm @ 120Hz
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	560µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are polarized, electrolytic capacitors that primarily function in circuits requiring high capacitance values, typically ranging from 0.47 to several farads. Such capacitors are made of two aluminum foils that have been anodized (electrolysis) creating a nonconductive layer, with one foil having an etched surface providing greater surface area for additional charge storage. A separator technology is used to isolate the foil layers from direct contact, reducing flammability risk.These components are widely used because they offer the highest measurable capacitance values, are safe to use, are relatively low cost, and have a relative long overall life expectancy. Furthermore, aluminum electrolytic capacitors offer a wide variety of different types and capacitance value for various applications. Many of these components also feature a self-healing property reducing the likelihood of catastrophic failure if the component is overloaded or subject to an electrical overstress.

EET-HC2S561EA Application Field and Working Principle

The EET-HC2S561EA is one of many types of aluminum electrolytic capacitors manufactured by Panasonic. This particular product is a radial lead, screw terminal type aluminum electrolytic capacitor with a capacitance value of 2.5μF +30% and a rated voltage of 500V.The EET-HC2S561EA is a general purpose component that can be utilized in various applications, usually used in power supplies, filters, snubbers, AC motors, solenoids, and other circuits. It is designed to deliver excellent performance and reliability over the rated temperature range of -40 to +85°C.The basic principle behind an aluminum electrolytic capacitor is that it is made up of two aluminum foils, that have been coated with an anodized oxide layer to create a non-conductive barrier. The two foils are immersed in an electrolytic solution that has a positive charge injected into it, which then induces a charge into the capacitor mesh, creating a capacitive effect between the two foils. As current is applied to the capacitor, a charge builds up between the two foils, and when the current is removed, the capacitive field slowly decays. The capacitance of an aluminum electrolytic capacitor is strongly related to the value of the anodized oxide layer, as well as the size and spacing of the capacitor mesh. The oxide layer also acts as a safety barrier to prevent short-circuiting of the two foils, reducing the potential of catastrophic failure.

Conclusion

Aluminum electrolytic capacitors are widely used components, that provide safe and reliable results in many different types of commercial and industrial applications. The EET-HC2S561EA, manufactured by Panasonic, is a radial lead, screw terminal type aluminum electrolytic capacitor, with a capacitance value of 2.5μF +30% and a rated voltage of 500V, designed for operating within a temperature range of -40 to +85°C. It is suitable for various applications, including power supplies, filters, snubbers, AC motors, solenoids, and other circuits. The working principle behind the aluminum electrolytic capacitor is relatively straightforward, and comes down to the construction of the capacitor, which utilizes two Aluminum foils that are coated in a protective oxide barrier, and have a positively charged electrolytic solution injected between them. This creates an electrostatic field between the two foils, storing electrical energy until it reaches its rated level and discharging. The size, spacing, and insulating layers within the capacitor determine the exact capacitance value of the device.

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