MAL214650332E3

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.378" (35.00mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	19 mOhms
Ripple Current @ High Frequency:	3.1A @ 100kHz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	146 RTI
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	6000 Hrs @ 125°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	3300µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, commonly known as “aluminum capacitors”, are one of the most commonly used capacitors in PCBs. An aluminum electrolytic capacitor consists of an anode made of thin aluminum foil or etched pattern and an electrolyte-impregnated paper or aluminum foil as the electron-accepting cathode. Aluminum electrolytic capacitors are typically polarized devices that build up a voltage-dependent capacitance.The MAL214650332E3 is a radial aluminum electrolytic capacitor produced by Nichicon. This type of capacitor is characterized by a large capacitance in a small package and also by its ability to handle large ripple currents in low-impedance, high-frequency applications. It is suitable for general uses, including medical, telecommunication, audio, motor control, and power supply applications.

MAL214650332E3 Applications

The MAL214650332E3 is designed for use in a wide range of applications. In medical applications, such as corrosion-resistant electrostatic generators, implantable pacemakers, and other automated instrumentation equipment, aluminum capacitors are essential for their ultra-reliable performance. In telecom and datacom system, aluminum capacitors can be used to filter and reduce noise in order to preserve signal integrity.In audio applications, aluminum electrolytic capacitors are used to filter and shape audio signals, provide power bypassing, and stabilize the output voltage. They are also useful in motor controls and power supplies, such as electric and hybrid motor control systems, blower motor, and stepper or servo motor drives.

Working Principle

Aluminum electrolytic capacitors are designed with two aluminum foils, each in contact with a different electrolytic solution: the anode and the cathode. When a voltage is applied to the electrodes, ions from the electrolyte migrate from the cathode to the anode, forming an electric double layer between the two cases. This layer then acts as a barrier, trapping charges and forming a capacitance between the two electrodes. The size of the capacitance is proportional to the applied voltage. The electrolyte also acts as a conducting medium which increases the time and current-carrying capability of the capacitor. This enables aluminum electrolytic capacitors to efficiently handle large, high-frequency current and voltage pulsations. In addition to its polarization voltage, the aluminum electrolytic capacitor can also react to temperature and aging conditions. During temperature changes, the level of electrolyte and the resistor value of the electrolyte changes, resulting in a decrease in the capacitance. With prolonged usage and/or aging, the electrolyte concentrate levels can drop to the point that it becomes inoperable.

Conclusion

The MAL214650332E3 aluminum electrolytic capacitor has a wide range of applications in medical, telecommunications, audio, motor control, and power supply applications. It is characterized by a large capacitance in a small package and its ability to handle large ripple current and voltage pulsations. It is designed with two aluminum foils that are polarized, with an electrolyte solution in between that acts as a conducting medium and increases its current-carrying capability. The capacitance it has is dependent on the applied voltage, as well as temperature and aging conditions.

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