B43504A5157M87

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are solid electrolytic capacitors commonly used in electronic circuits to store energy and filter out certain frequencies. The construction of the capacitor consists of an aluminium foil which acts as the anode, a layer of aluminium oxide covering the foil, both acting as the dielectric, and a foil of tantalum or other conductive material acting as the cathode. The layers are then rolled together or stacked, with the cathode foil facing the dielectric material.

The B43504A5157M87 is an aluminum electrolytic capacitor manufactured by EPCOS. It is rated for 63V and 150700uF. This capacitor has a long life rating of up to 5000h at 20°C and up to 1000h at 105°C with a maximum operating temperature of 125°C. It is a non-polarised capacitor which means it does not have polarity indicating its orientation.

Application Fields

A capacitor such as the B43504A5157M87 is used in many different applications. These include multi-layer ceramic capacitors for power hold-up electronics, audio filters, non-polarized decoupling capacitors, and electrolytic capacitors for motor start-up applications. This capacitor is also great for use in voltage regulation circuits, AC waveform filtering, timing circuits, and as a voltage buffer.

Working Principle

The aluminum electrolytic capacitor works on the principle of an electric double layer. When an applied voltage is present, an electrolyte between the two metals is ionized and forms an insulating layer over the anode. The positively charged ions physically push the electrons towards the anode forming a double layer of charge as a result.

The capacitance of the capacitor is a result of the energy stored in the electric fields between the two layers. When the voltage is increased, the capacitance core is also increased. This capacitor is self-healing and has a very high capacitance for the volume of the package.

Conclusion

The B43504A5157M87 aluminum electrolytic capacitor is a useful device for many different applications. Its long life rating, high capacitance, and reliable performance make it a great choice for those who are looking for an effective solution for their electronic projects. Its non-polarised construction also makes it easy to use in many applications without worrying about orientation.

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