PME295RB3470MR30

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Film capacitors are commonly used components in the design of electrical and electronic circuits, providing high-frequency filtering of power supplies, as well as helping to block DC voltages, and providing additional control and protection in power systems. Their use has been widespread in consumer electronics applications, including portable radios, televisions, and consumer audio systems.

The PME295RB3470MR30 is a polypropylene film capacitor from Panasonic\'s automotive-grade SP-Cap series. It is a radial lead type capacitor with a rated voltage of 12V and a capacitance of 0.33µF. It is suitable for automotive use due to its high-resistance to vibration and shock, as well as its ability to operate over an extended temperature range.

In terms of its application field, the PME295RB3470MR30 is mainly used to reduce electrical noise and stabilize power supplies in automotive audio and other DC powered applications. It is suitable for use in high-power output audio systems, speaker crossover networks, and noise suppression in audio systems. Other applications include power supply filtering or power line conditioning, power factor correction, and EMI/RFI suppression.

When it comes to the working principle, the PME295RB3470MR30 capacitor utilizes an internal electrodes system, self-healing properties, and a flame-resistant plastic encasing in order to deliver superior performance. The capacitor\'s construction is comprised of two metalized polypropylene film layers, which are applied to opposing electrodes. The layers are then sealed in a flame-retardant epoxy resin, which is used to protect the inner components. The internal electrodes are composed of a conducting material with a high dielectric constant, which allows these capacitors to store electric charge, and therefore provide its desired filtering capability.

When power is applied to the capacitor, electric charge is stored between two metalized conductors. This stored charge is then released back into the circuit at a predetermined rate, which is determined by the resistance of the capacitor. This allows for a constant current flow, thus preventing electrical noise and ensuring a clean, stable power supply.

In summary, the PME295RB3470MR30 has a wide range of applications, providing protection and stability in high-power output audio systems, speaker crossover networks, and power supplies, among other uses. The capacitor\'s working principle is based on the ability to store electrical charge and then release it at a predetermined rate, allowing for a clean, stable power supply.

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