MAL212320478E3

Polarization:	Polar
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.264" Dia x 0.602" L (6.70mm x 15.30mm)
Lead Spacing:	--
Impedance:	7.5 Ohms
Ripple Current @ Low Frequency:	20mA @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	123 SAL-A
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	20000 Hrs @ 125°C
ESR (Equivalent Series Resistance):	51 Ohm @ 100Hz
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Aluminum Electrolytic CapacitorsAn aluminum electrolytic capacitor is a type of capacitor which uses an aluminum oxide film as an electrolyte. It has a large capacitance value per volume, but it also has a relatively high equivalent series resistance (ESR). Aluminum electrolytic capacitors are categorized into axial, radial, snap-in, and surface mount (SMD). The MAL212320478E3 is an axial aluminum electrolytic capacitor.Application FieldThe MAL212320478E3 aluminum electrolytic capacitor can be used in a wide variety of applications, including power supplies, audio filtering, medical applications, and electromagnetic shielding. It is ideal for applications that require high capacitance values in a small form factor.Working PrincipleThe MAL212320478E3 aluminum electrolytic capacitor is composed of two aluminum foils that are separated by an electrolyte. The foils are etched to increase surface area which increases the capacitance of the capacitor. The electrolyte is an aluminum oxide film that acts as an insulator and ionizes the aluminum molecules. When a voltage is applied to the capacitor, electrons are drawn to the positive end and away from the negative end. As the electrons move, an electric field is created, which stores energy in the form of a capacitor. The stored energy is proportional to the voltage that is applied to the capacitor.AdvantagesThe aluminum electrolytic capacitor has several advantages compared to other types of capacitors, including its large capacitance value per volume, low ESR, and wide operating temperature range.The MAL212320478E3 has a capacitance of 4.7uF and a voltage rating of 16V. It has a long life span of 2000 hours and an operating temperature range of -40°C to +85°C. It also has a low ESR of 15mΩ.DisadvantagesAluminum electrolytic capacitors also have several disadvantages. They have a high leakage current, are prone to self-discharge, and have a limited maximum voltage. They also have a high maximum operating temperature, which can reduce their lifetime.ConclusionThe MAL212320478E3 aluminum electrolytic capacitor is a high capacitance, low ESR capacitor that is suitable for a variety of applications. It has a wide operating temperature range, long life span, and low leakage current, making it a suitable choice for most applications.

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