DPP1P15K-F

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Film Capacitors

Film capacitors are a type of capacitor that use a dielectric film, such as polypropylene, polyester, polycarbonate, teflon or even paper, to store electrical charge. The film is sandwiched between two metal plates, typically aluminum, with an air gap separating the plates. This makes it a relatively high capacitance, low voltage component.

The DPP1P15K-F is a film capacitor specifically designed for audio applications. It features a capacitance of 15,000 pF and a rated voltage of 1,000 VDC. It has a relatively low ESR of under 0.04 ohms, making it an ideal choice for applications sensitive to noise and distortion, such as those found in high-end audio systems. The capacitor is also RoHS-compliant, meaning that it is free of certain hazardous materials in the manufacturing process.

DPP1P15K-F Application Field and Working Principle

The DPP1P15K-F is primarily used in audio applications, such as speakers, amplifiers, transducers, headphones and interconnects. It is also suitable for power-supply or bias-voltage filtering in digital and RF electronics. In these applications, the capacitor functions as a low pass-filter by allowing AC signals to pass while blocking DC signals, resulting in cleaner audio or signal quality.

At its most basic level, a capacitor works by storing electrical charge between two plates. The DPP1P15K-F does this using two metal plates and a dielectric film sandwiched between them. This creates an electrostatic field, which allows current to flow through the capacitor when an external voltage is applied. The amount of charge that can be stored is determined by the dielectric constant and the capacitance of the capacitor.

When a voltage is applied across the leads of the capacitor, the electric field is established between the two plates. This causes a displacement of charge that is proportional to the applied voltage and is stored in the capacitor. This charge can then be used to filter signals or smooth out electrical noise in an audio system. The capacitor also filters out high frequencies, producing a smoother audio signal.

As the voltage increases, the amount of charge stored in the capacitor increases, and the capacitor’s capacitance decreases. This is due to the dielectric film’s resistance to electric fields, which decreases as the voltage increases. The dielectric film ultimately acts as an insulator, preventing excessive current from flowing through the capacitor and damaging the circuit.

The DPP1P15K-F is an excellent choice for audio applications due to its low ESR (equivalent series resistance) of under 0.04 ohms. This low ESR reduces distortion and noise, resulting in cleaner audio and better sound quality. The capacitor is also RoHS-compliant, meaning that it is free of hazardous substances and materials used in the manufacturing process.

In summary, the DPP1P15K-F is a reliable and versatile film capacitor designed specifically for audio applications. It features a low ESR of under 0.04 ohms and is RoHS-compliant, making it a great choice for audio systems that require clean, distortion-free sound. The capacitor works by storing electrical charge between it’s metal plates and dielectric film, allowing AC signals to pass while blocking DC signals. This results in a cleaner sound or signal quality.

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