The PME278RA4470M is a Class X1 metallized paper capacitor manufactured by Kemet, designed for demanding applications where safety and reliability are critical. This capacitor excels in interference suppression and provides robust performance under harsh conditions.

Applications:

• Across-the-line applications in power supplies and electronic devices.
• EMI/RFI filtering in industrial equipment.
• Input filtering for motor drives and inverters.
• Connection in series with a mains fuse.
• Noise suppression in various electrical circuits.

Features:

• Class X1 Safety Approval: Ensures compliance with stringent safety standards for across-the-line applications.
• Metallized Paper Dielectric: Provides excellent self-healing properties, enhancing reliability and preventing catastrophic failures.
• High Pulse Handling Capability: Designed to withstand high voltage and current pulses.
• Flame Retardant Encapsulation: Offers enhanced safety and protection against fire hazards.
• Excellent self-healing properties: Guarantees long-term reliability.

Benefits:

• Enhanced Safety: Provides reliable protection against electrical hazards.
• Long Operational Life: The metallized paper construction and self-healing properties contribute to a long and reliable operating life.
• Effective EMI Suppression: Reduces electromagnetic interference, improving the performance of electronic devices.
• Robust Design: Able to withstand harsh environmental conditions and high voltage stresses.
• Regulatory Compliance: Meets or exceeds industry safety standards for X1 class capacitors.

Additional Details:

The PME278RA4470M has a capacitance of 0.47 µF (microfarads) and a rated voltage of 440 VAC. It is engineered to operate over a wide temperature range. The robust design includes a metallized paper dielectric and a flame-retardant epoxy resin encapsulation. The compact size and robust construction make it easy to integrate into a variety of electronic circuits, ensuring reliable performance in demanding applications.