B41888C4397M

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.512" (13.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Impedance:	183 mOhms
Ripple Current @ High Frequency:	690mA @ 100kHz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	B41888
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	204 mOhm @ 10kHz
Voltage - Rated:	16V
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 - B41888C4397M Application Field and Working Principle

Aluminum electrolytic capacitors are a type of capacitor which uses an electrolyte to store a charge. These capacitors can be found in a variety of consumer electronics and industrial applications. The B41888C4397M is an example of an aluminum electrolytic capacitor with a long life. This article explains the application field and working principle of the B41888C4397M.

Application Field

The B41888C4397M is an aluminum electrolytic capacitor with an extended life. It is mainly used in general purpose power supplies, DC link circuits, and other low frequency switch mode power supplies. The extended life of the capacitor makes it suitable for use in applications where high reliability is required.In addition, the capacitor can also be used in harsh environment applications such as automotive systems, industrial equipment, and power plants. The high temperature and over-current capabilities of the capacitor make it suitable for use in these types of applications.

Working Principle

Aluminum electrolytic capacitors work by employing an electrolyte-soaked dielectric for charge storage. This electrolyte-soaked dielectric acts as a storage medium for electrons. The capacitor is composed of two metals (an anode and a cathode) which are separated by this electrolyte.When a voltage is applied, the electrolyte starts to dissociate into positive and negative ions which are attracted to the respective metals (anode and cathode). This causes a layer of ions to accumulate on each metal, forming a capacitive layer. This layer increases when more voltage is applied, allowing for a higher capacitance.The dielectric material used in aluminum electrolytic capacitors offers far greater capacitance than would be possible with most other capacitor types due to its large surface area. However, due to the electrolyte, these capacitors are prone to leakage.

Conclusion

The B41888C4397M is an aluminum electrolytic capacitor with an extended life. It is specifically designed for applications where high reliability is required, such as automotive systems, industrial equipment, and power plants. The working principle behind the capacitor is based on the principle of charge storage through an electrolyte-soaked dielectric. Due to the electrolyte, these capacitors are prone to leakage, but the high surface area of the dielectric offers significantly greater capacitance than other capacitor types.

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