MALREKB05JS447E00K

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Aluminum electrolytic capacitors, often abbreviated as aluminum electrolyte capacitors, are polarized capacitors consisting of two aluminum foil electrodes separated by a layer of an electrolyte containing an oxide layer, typically of aluminum. Despite the name electrolyte, it is not a solution but a carrier medium for ceramic materials. These capacitors have a higher-than-ordinary capacitance, a much better low-frequency linearity and a low equivalent series resistance (ESR). The capacitor dielectric is a thin film of aluminum oxide, formed from the aluminum foil and the electrolyte. The oxide provides an insulating barrier between the plates, preventing electrical leakage and thus creating electrical capacitance.

MALREKB05JS447E00K is a type of Aluminum Electrolytic Capacitor which is designed for capability of high capacity and tolerance of high ripple current and have wide application range. It is suitable for general ciruits or pulse circuits while energy supplying for ac motors. Especially, it is suitable for devices like ac motors, copiers, etc which work under high temperature, high humidity conditions. Additionally, the capacitor is available in various capacitance values.

The mechanism of the MALREKB05JS447E00K capacitor is based on its aluminum oxide surface layer, which acts as avalanche gaurd. The negative ions are present in the electrolyte, but the positive charges are field-effected by the positive ions from the electrode. This characteristic capacitance leads to an increase in mostly linear capacitance over temperature. Thus, the capacitor is highly tolerant to temperature variations.

The working principle of this capacitor is based on its aluminum electrolytic dielectric – the metal oxide barrier layer. The oxide forms a thin insulating barrier between the two electrodes, that prevents electricity from leaking and reduces ESR. This provides good low-frequency linearity and makes them suitable for use in applications such as low frequency pulses and other applications requiring low ESR. The oxide is deposited by an oxide-forming reaction, using a complex titanium-oxide/hydroxybenzene reaction which produces aluminum oxide on the electrode and enhances the capacitance of the device.

MALREKB05JS447E00K capacitors are mainly used in high-temperature, high-humidity environment applications such as ac motor start-up, power factor correction, and lighting equipment, and automotive starter systems. The device has high capacitance, low equivalent series resistance (ESR), and excellent high-current capability. The capacitance of the capacitor is also higher compared to other capacitors, and it is not affected by temperature up to 105oC, which makes it ideal for use in applications that require high temperature stability.

In conclusion, MALREKB05JS447E00K capacitors are an example of aluminum electrolytic capacitors with a wide application range. The capacitance of this type of device is much higher than ordinary capacitors and it has excellent linearity and low equivalent series resistance. Additionally, it is very tolerant to temperature and can withstand temperatures of up to 105oC without significant capacitance loss. These characteristics make it ideal for ac motor start-up, power factor correction, lighting equipment, and automotive starter systems.

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