400SAW39MEFC16X25

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.043" (26.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	287.5mA @ 10kHz
Ripple Current @ Low Frequency:	250mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SAW
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Moisture Sensitivity Level (MSL):	--
Capacitance:	39µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Introduction:

Aluminum electrolytic capacitors, like their name implies, are capacitors made of aluminum and electrolyte. They\'re the most commonly used type of capacitor, due to their ability to store charge and their low cost. In this article, we will examine the 400SAW39MEFC16X25 aluminum electrolytic capacitors, their application fields, and their working principle.

Structure:

The 400SAW39MEFC16X25 aluminum electrolytic capacitor has a cylindrical aluminum can with two pins at each end. It consists of an aluminum can, an aluminum foil, and an electrolyte filled with aluminum oxide. The aluminum foil is etched with a spiraling pattern. The electrolyte is made of sulfuric acid and ethylene glycol, and it acts as the dielectric material between the two metal layers.

Application Field:

The 400SAW39MEFC16X25 aluminum electrolytic capacitors are mainly used in industrial applications, such as DC motors, alternators, and spark coils. They are also used in medical instruments, aerospace, telecommunications, and military applications. Since aluminum electrolytic capacitors can endure high temperatures and have high dielectric constants, they are ideal for various circuit applications.

Working Principle:

The 400SAW39MEFC16X25 aluminum electrolytic capacitor works by storing electrical energy in the form of an electrostatic field between two metal plates. When a voltage is applied, the electrolyte allows the positive charges to migrate to one plate and the negative charges to the other. This creates an electrostatic field, which stores the energy as a static electric charge. The dielectric constant of the electrolyte determines the amount of charge that can be stored.Since aluminum electrolytic capacitors are polarized, they must be connected in the correct orientation to ensure proper operation. The positive lead should be connected to the positive side of the voltage and the negative lead should be connected to the negative side. If reversed, the capacitor may fail or even be destroyed.

Conclusion:

The 400SAW39MEFC16X25 aluminum electrolytic capacitor is a type of capacitor that is commonly used in a variety of industrial and medical applications due to its ability to withstand high temperatures and store charge. The capacitor works by utilizing two metal foils and an electrolyte to store electrical energy in the form of an electrostatic field. It is important to connect the positive and negative leads in the correct orientation to ensure proper operation.

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