MAL209442391E3

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	180 mOhms
Ripple Current @ Low Frequency:	1.47A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	094 PME-SI
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	270 mOhm @ 120Hz
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitor, often referred to as an electrolytic capacitor, is an electronic component that stores electrical energy in the form of an electric field. It is an important component of a wide range of circuits and is often used in AC power supplies and DC voltage converter circuits, as well as in various types of power amplifiers. The MAL209442391E3 is a particular type of aluminum electrolytic capacitor and is widely used in a variety of applications.

What is the MAL209442391E3?

The MAL209442391E3 is an aluminum electrolytic capacitor with a negative temperature coefficient (NTC), which means that its capacitance decreases with increasing temperature. This makes the MAL209442391E3 perfect for power supplies and other applications where temperature has a considerable effect. It is also a relatively inexpensive component, making it extremely popular for a range of applications.

MAL209442391E3 Application Field

The MAL209442391E3 is used in a wide variety of applications. It is used in switched mode power supplies, where it is used as part of a filtering network to reduce noise and ripple. It is also used in audio amplifiers, power supplies for measuring instruments, AC power supplies and DC voltage converters. Another popular application is as part of active filters, where the NTC capability is particularly useful.

MAL209442391E3 Working Principle

The MAL209442391E3 has two main elements, an anode and a cathode, which are separated by a layer of electrolyte. An electric current is applied to the capacitor, which causes the deposition of a thin layer of oxide on the anode surface. This layer of oxide acts as a dielectric, allowing electric charge to accumulate on the anode. This electric charge is then stored in the electric field generated between the anode and cathode.The capacitance of a capacitor is determined by the area of the anode and cathode, the thickness of the oxide layer, and the dielectric constant of the electrolyte. In the case of the MAL209442391E3, the capacitance can be adjusted by adjusting the thickness of the oxide layer. This is why the MAL209442391E3 has an NTC, which means that as the temperature increases, the oxide layer thickens, thus reducing the capacitance.

Conclusion

The MAL209442391E3 is an aluminum electrolytic capacitor with a negative temperature coefficient, making it ideal for a range of applications such as switched mode power supplies, audio amplifiers, power supplies for measuring instruments, AC power supplies and DC voltage converters. Its working principle is based on the deposition of an oxide layer on the anode surface, which acts as a dielectric and allows electric charge to accumulate on the anode, storing it in the electric field between the anode and cathode. By adjusting the thickness of the oxide layer, the capacitance can be adjusted, which is why the MAL209442391E3 has an NTC.

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