HHXA350ARA151MHA0G Capacitors

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Aluminum-polymer capacitors, also known as hybrid capacitors, are a versatile type of electrolytic capacitor. They amalgamate the qualities of an aluminum electrolytic capacitor and a tantalum electrolytic capacitor in one. Aluminum-polymer capacitors combine the high capacitance-voltage characteristic of an aluminum electrolytic capacitor with the stable characteristics of a tantalum electrolytic capacitor, resulting in an efficient, cost effective capacitor. The HHXA350ARA151MHA0G is an example of this type of capacitor.

The HHXA350ARA151MHA0G is a polarized capacitor with a voltage rating of 35V. It is constructed from a plastic film dielectric with a tantalum oxide powder layer loaded with aluminum foil plates. A metal layer is placed between the plastic film and the aluminum layers, forming a combined electrolyte system with both aluminum and tantalum oxide. This capacitor is molded into a cylindrical shape with flat end caps fitted with a snap-in, axial lead terminal.

The main application field of the HHXA350ARA151MHA0G is in power supply regulation where it is used to reduce or shape the noise or ripple components of the supply voltage. It is also used in SMPS applications, such as DC/DC and AC/DC converters, where a ripple smoothing capacitor is needed. The HHXA350ARA151MHA0G can also be used in regulating noise on data and control lines, where it can filter out high frequency noise.

The working principle of the HHXA350ARA151MHA0G is based on the Faraday’s law of induction. An electrical current on one plate causes a magentic field to be induced in the other plate, which induces and electric field. The amount of field that is induced depends on the capacitance of the capacitor and the frequency of the current. This induced electric field counteracts the electric field that created it, resulting in voltage regulation and ripple smoothing.

The HHXA350ARA151MHA0G has several advantages over standard aluminum and tantalum capacitors. These include a low equivalent series resistance (ESR), lower mechanical stress, a polar capacitor type with a high capacitance-voltage characteristic, wide operating temperature range, low inductance and high ripple-current capability. The capacitance ranges from 10µF to 470µF, and the capacitor performs well even at high ripple frequencies.

In conclusion, the HHXA350ARA151MHA0G is an aluminum-polymer capacitor with a polar or bipolar design that has the combined characteristics of aluminum and tantalum capacitors. It is designed to reduce or shape the noise or ripple components of the supply voltage in power supply regulation and SMPS applications, and can filter high-frequency noise on data and control lines. Moreover, it is characterized by a low ESR, lower mechanical stress, high capacitance-voltage, wide operating temperature range, low inductance and high ripple-current capability.

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