UVY0J472MHD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	1.2535A @ 10kHz
Ripple Current @ Low Frequency:	1.09A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UVY
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	4700µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors – UVY0J472MHD Application Field and Working Principle

Aluminum Electrolytic Capacitors, also known as aluminum electrolytic capacitors, belong to a class of capacitors with higher capacitance and volume. They are widely used in the fields of microwave communication, signal filtering, television sets and computers. The deep understanding of their working principle is the first step for the reasonable application of aluminum electrolytic capacitors. The application field and working principle of the UVY0J472MHD are described as follows.

Application Field of UVY0J472MHD

The UVY0J472MHD belongs to the 50V series of aluminum electrolytic capacitors. With its excellent performance, it is suitable for power supply, signal filtering and other fields. Additionally, due to its large capacity, it can be used as a condensation filter in the audio circuit. Moreover, the capacitor can be used as a high-precision timing circuit because of its low temperature coefficient, low dielectric absorption and low internal resistance. Some electromagnetic interference (EMI) suppression solutions also require the application of capacitors.

Working Principle of UVY0J472MHD

The UVY0J472MHD consists of a cylindrical metal case, aluminum foil for electrodes, electrolyte and paper for dielectric. The anode and cathode of the capacitor are formed by polarizing the oxide layer on the membrane of the aluminum foil. Through the electrolyte, the oxide layer can be polarized at low voltages. The polarized oxidation film acts as a dielectric, and the two electrodes complete the structure of an electrical capacitor. In addition, the capacitor also uses a two-level feature of the oxide layer of the anode to adjust the characteristics of the capacitor. The two levels consist of an inner layer of high- permittivity and an outer layer of low-permittivity. By changing the size of the inner oxide layer, the voltage and capacitance ranges of the capacitor can be adjusted.

Conclusion

In conclusion, the UVY0J472MHD is a 50V series aluminum electrolytic capacitor with multiple applications ranging from power supplies and signal filtering to EMI suppression. Its principle of work is based on the principle that an aluminum foil and an electrolyte form an oxide layer, which acts as a dielectric between the two electrodes. Understanding their working principle is the key for their reasonable application.

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