The PHE428SD4470J is a metallized polypropylene film capacitor produced by Kemet. These capacitors are engineered for general-purpose applications that require dependable performance and extended operational lifespan. They are known for their exceptional self-healing characteristics and are well-suited for use in demanding environments.

Applications:

• DC filtering
• DC coupling
• Snubber circuits
• Pulse applications
• Timing circuits
• General electronics

Features:

• Metallized polypropylene film construction
• Self-healing properties
• High stability
• Long life expectancy
• Excellent dV/dt capability
• Flame retardant epoxy resin coating
• RoHS compliant

Benefits:

• Consistent performance in challenging environments
• Prolonged operational life, which reduces maintenance costs
• Stable capacitance across a broad spectrum of temperatures and frequencies
• Compact dimensions suitable for applications with space limitations
• Improved safety due to its flame-retardant construction

Additional Details:

The PHE428 series capacitors, including the PHE428SD4470J, are built using a metallized polypropylene film dielectric, which balances high performance with reliability. The metallization process ensures self-healing properties, allowing the capacitor to recover from minor overvoltage events. The capacitors are encapsulated in a flame-retardant epoxy resin coating for extra protection. Key specifications include a capacitance of 0.47 µF, a voltage rating of 400 VDC, and a tolerance of ±5%. They operate efficiently in temperatures ranging from -40°C to +105°C. Its compact design facilitates high-density mounting on printed circuit boards. The PHE428SD4470J is suitable for various applications in the industrial, automotive, and consumer electronics sectors, requiring a reliable and stable capacitive component.