B41858D4398M9

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.319" (33.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	22 mOhms
Ripple Current @ High Frequency:	3.122A @ 100kHz
Applications:	Automotive
Ratings:	--
Series:	B41858
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	24 mOhm @ 10kHz
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	3900µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electrical components used to store electrical energy and to control the timing of electronic pulses. They are constructed from sheets of aluminum oxide, along with alternating layers of aluminum and an electrolytic solution. These capacitors are available in several different shapes and sizes, with values ranging from nanofarads (nF) to microfarads (μF).Aluminum electrolytic capacitors are widely used in many different electronic and electrical circuits, including power supplies, radios, amplifiers, and timing circuits. They are also commonly used in high-frequency and high-voltage applications where their large capacitance values and quick-charging time make them ideal for these applications.

B41858D4398M9 Application Field and Working Principle

The B41858D4398M9 is a large-sized, high-margin, aluminum electrolytic capacitor from EPCOS, designed for use in industrial applications. It has a high capacitance value of 180μF, with a working voltage rating of 3.75V.The B41858D4398M9 takes advantage of its large capacitance value to provide stable supply voltage to applications with high power demand. It is designed with a long life span and high reliability, making it well-suited for use in demanding applications.The B41858D4398M9 works on the principle of electrolysis, using an electrolytic solution to store energy between two plates. The layer of aluminum oxide is used to prevent the electrolytic solution from escaping, while the alternating layers of aluminum and electrolytic solution are used to store energy. In operation, when a voltage is applied, the electric field between the two plates causes ions in the electrolytic solution to migrate to one plate or the other, creating a charge separation that can be used to drive current through a load.When the voltage is removed, the ions migrate back to their original positions and the charge separation dissipates, allowing the capacitor to reset and be reused. The B41858D4398M9 can be used to support both DC and AC applications, and it has a wide temperature range for operation, from -40°C to +85°C.

Conclusion

The B41858D4398M9 is an aluminum electrolytic capacitor from EPCOS designed for industrial applications. It is designed with a high capacitance value of 180μF, along with a working voltage of 3.75V and a wide temperature range. It works on the principle of electrolysis, using an electrolytic solution to store energy between two plates, and it can be used to support both DC and AC applications. Its long life span and high reliability make it well-suited for use in demanding applications.

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