Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.850" (47.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.96A @ 10kHz
Ripple Current @ Low Frequency:	1.4A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	MXH
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	475V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: 475MXH220MEFCSN25X45 Application Field and Working Principle

Aluminum electrolytic capacitors refer to electrolytic capacitors whose basic components are composed of aluminum oxide film, aluminum foil and other components, which are usually cylindrical. It is a kind of capacitor which is suitable for large capacity and extremely small size. They are often used as energy storage units in circuits.

What is 475MXH220MEFCSN25X45 Aluminum Electrolytic Capacitor?

The 475MXH220MEFCSN25X45 is a radial aluminum electrolytic capacitor from the 475MXH Series by Nippon Chemi-Con. It is a through-hole snap-in type capacitor that provides a decoupling capacitance of 220µF at a rated voltage of 35VDC and a working temperature of -40 to 85°C. Furthermore, the lifetime of this product is guaranteed for up to 80,000 hours of operation at +85°C.

Application Field

The 475MXH220MEFCSN25X45 aluminum electrolytic capacitor is often used in audio power amplifiers, voltage regulators, switching power supplies, and other circuits applications. It can be used in a wide range of applications that require large capacitance values and high reliability.

Working Principle

Aluminum electrolytic capacitors work on a principle known as “ion blocking effect”, wherein the basic element of the capacitor is an electrolyte, usually a saturated solution of water and acid (graphite) in a porous separator. The positive and negative electrodes on the capacitor plates are composed of a thin aluminum foil, the electrolyte.On the positive plate, a layer of aluminum oxide is formed by anodic oxidation. This layer acts as the electric insulating layer, blocking current flow and thus behaves as a dielectric. A current flows through the capacitor when a voltage is applied across the electrodes.The thickness of this electric insulator depends on the factors such as temperature, frequency, and voltage applied to the capacitor. A larger capacitance is achieved by increasing the thickness of the aluminum oxide layer.

Conclusion

The 475MXH220MEFCSN25X45 aluminum electrolytic capacitor is a radial through-hole snap-in type aluminum electrolytic capacitor, with a decoupling capacitance of 220 µF at a rated voltage of 35 VDC, and a working temperature range of -40 to 85°C. Its application fields include audio power amplifiers, voltage regulators, switching power supplies, and other circuits applications. The capacitor works based on the principle of “ion blocking effect”, which is achieved by a layer of aluminum oxide formed by anodic oxidation, thus blocking current flow and behaves as a dielectric and generating capacitance.

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