B41858D4277M

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:	246 mOhms
Ripple Current @ High Frequency:	436mA @ 100kHz
Applications:	Automotive
Ratings:	--
Series:	B41858
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	274 mOhm @ 10kHz
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: B41858D4277M Application Field and Working Principle

Aluminum electrolytic capacitors are one of the most common types of capacitors to be produced and used. Their usefulness comes from their relatively large capacitance values, and being able to offer enough voltage endurance. The B41858D4277M is among the range of aluminum electrolytic capacitors available, and its usage finds application within a varied number of electronic circuits.

Construction

The B41858D4277M typically has a cylindrical shape with a length of 29.78mm and a diameter of 12.5mm. It consists of three main components, an anode (positive) foil, an aluminum foil of a higher porosity than the anode one, known as the cathode (negative) foil, and the electrolyte, which factors in the polarization and the movement of electrons and ions regarding their storage.

Application Field

The B41858D4277M is apt for applications within the range of conventional electronics, as well as within medical and automotive fields. The capacitor can be used as a power-source regulator and audio frequency filtering. It can offer good carrying capacity when integrated into computers and UPS (Uninterruptible Power Supply) systems. Furthermore, as previously mentioned, the B41858D4277M finds application in medical and automotive electronics too, places where its varying capacitance and voltage resistance come into play.

Working Principle

Aluminum electrolyte capacitors take an electrolyte medium (in the case of the B41858D4277M, it is anicell or polyphenylene sulfide or polyethylene tetrafluoroethylene material) and thisproduces components with a polarized effect. Through the electrolyte, a layer of cells or separated layers are formed by being electroplated and it develops by applying a voltage to the two components of this capacitor, thus once possessing charge, it stores electrical energy in an electrostatic field.

Conclusion

The B41858D4277M aluminum electrolytic capacitor is an example of a device which can can be used in various fields, in order to obtain good voltage endurance, making it suitable for audio-frequency filtering or powering source regulation. Its construction and working principle showcase how a combination of various materials and a potential voltage applied to it, can allow it to store electrical energy in electrostatic form and be ready for use in any application that needs its voltage resistance.

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