RNE1C471MDN1KX

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Aluminum - Polymer Capacitors have many advantages, such as lower equivalent series resistance (ESR), higher capacitance, and long life. Compared to typical aluminum electrolytic capacitors, these capacitors have an improved reliability and temperature stability, making them an ideal choice for applications requiring high performance. The RNE1C471MDN1KX is an innovative aluminum - polymer capacitor from Murata Electronics that offers many of these benefits. The RNE1C471MDN1KX application field and working principle are discussed below.

Application Field

The RNE1C471MDN1KX is designed for high-performance filtering and boost applications. It is particularly well suited for applications that require high frequencies and large amounts of power. This product is constructed from two capacitors connected in parallel, which provides higher capacitance at higher frequencies and higher inrush current capacity than single capacitors. The capacitors also have a low equivalent series resistance (ESR). This makes them a great choice for use in systems where power and noise reduction is key. The RNE1C471MDN1KX provides excellent high-performance filtering and boost performance, making it ideal for use in many applications, including:

• Power Supplies
• Consumer Electronics
• LED Drivers
• AV Equipment
• Industrial Automation
• Telecommunications

Working Principle

The aluminum - polymer capacitors are composed of two layers of aluminum and two layers of polymer. The two layers of aluminum form a field effect (FE) structure, and the two layers of polymer are sandwiched between the two layers of aluminum. This FE structure works as an electrical double layer capacitor (EDLC) and allows for a large capacitance at low voltage, making it an attractive option for applications requiring power and noise reduction. The FE structure also improves temperature stability, enabling the capacitor to work at temperatures up to 105°C.

The RNE1C471MDN1KX works on the principle that as the voltage on the capacitor’s positive terminal increases, the capacitance decreases. This means that as the voltage increases, the capacitance decreases, resulting in a lower ESR. The lower ESR ensures stability, better signal performance, and lower overall power consumption. This capacitance de-rating allows the RNE1C471MDN1KX to be connected in parallel and in series with other aluminum - polymer capacitors, allowing designers to have multiple capacitors connected in parallel or in series without having to worry about the capacitance changing, thus providing improved stability, signal quality, and overall power consumption.

The RNE1C471MDN1KX is designed for high-performance filtering and boost applications and offers many benefits over traditional aluminum electrolytic capacitors. It has a lower ESR, higher capacitance, and better temperature stability, making it an ideal choice for applications requiring high performance. The two-layer FE structure and capacitance de-rating make it highly versatile and allows it to be used in a wide range of applications.

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