AHA476M63F24B-F

Series:	AHA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Discontinued at Digi-Key
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	63V
ESR (Equivalent Series Resistance):	6.3 Ohm @ 120Hz
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive, Bypass, Decoupling
Ripple Current @ Low Frequency:	50mA @ 120Hz
Ripple Current @ High Frequency:	85mA @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.402" (10.20mm)
Surface Mount Land Size:	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are commonly used in applications that require large capacitance, mainly because they are a reliable and relatively inexpensive way to store electrical energy. This type of capacitor is based on the principle of electrolyte polarization which involves an electrolyte, electrodes and an insulating barrier between them. The AHA476M63F24B-F is an example of a radial lead electrolytic capacitor with a wide range of application.

Construction and Internal Structure

The AHA476M63F24B-F capacitor is a cylindrical component that consists of an anode and a cathode inside an aluminum tube. Two insulating materials, a dry paper separator and a paste electrolyte, are used as a barrier between these two electrodes. The anode of the capacitor is composed of an aluminum foil covered with an oxide film while the cathode is a piece of aluminum foil. The dielectric oxide film is kept stable by adding a circular rubber seal at both ends of the capacitor which prevents the leakage of electrolyte. This capacitor has a radial lead which eliminates the need of soldering the leads. Furthermore, for enhanced performance, a flame retardant (UL94V-0) is applied to the exterior of the aluminum case.

Working Principle

The working mechanism of aluminum electrolytic capacitors is based on the principle of electrolytic polarization. During the manufacturing process, an oxide layer is formed on the anode which acts as a dielectric material. This oxide layer is polarizable when a potential is applied across the electrodes. When the capacitor is connected in a circuit, electricity flows through the electrolyte from the positive anode to the negative cathode. In this process, the oxide film becomes polarized which creates an imbalance of electrons on the surface of the anode and cathode. Since the oxide film acts as a dielectric material, it stores the charge, allowing for the capacitor to accumulate electrical energy.

Application and Advantages

The AHA476M63F24B-F capacitor is rated capacitor with capacitance of 476μF and voltage of 63V. This type of capacitor has a wide range of applications. It is used in power supplies, telecommunications systems, electric vehicles, automotive, healthcare and industrial automation. Furthermore, it is also used in circuits that require low impedance and extreme temperature. Some of the major advantages of the capacitor include a long service life, high reliability, robust design, and a high ripple current capability.

Conclusion

In conclusion, aluminum electrolytic capacitors have a wide range of application and offer several advantages such as long service life and high reliability. Specifically, the AHA476M63F24B-F capacitor is an example of a radial lead aluminum electrolytic capacitor that is used in a number of applications. With its wide range of application and various advantages, this type of capacitor is becoming increasingly popular for various electrical and electronic applications.

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