The PHE448SB4180JR06 is a polypropylene film capacitor manufactured by Kemet. It belongs to the PHE448 series, which is designed for demanding applications requiring high reliability, long life, and stable performance under harsh environmental conditions.

Applications:

• DC-link circuits
• Power factor correction (PFC)
• Snubber circuits
• Renewable energy inverters (solar, wind)
• High-frequency power converters
• Induction heating systems

Features:

• Metallized polypropylene film construction
• Self-healing properties
• High ripple current capability
• Excellent dV/dt capability
• Low equivalent series resistance (ESR)
• Long operational life
• Flame-retardant epoxy resin coating

Benefits:

• High reliability in demanding environments
• Reduced maintenance costs due to long life expectancy
• Stable performance across a wide range of operating conditions
• Improved safety due to flame-retardant construction
• Suitable for high-frequency applications due to low ESR
• High ripple current handling capability

Additional Details:

The PHE448SB4180JR06 capacitor has a capacitance of 0.18 µF, a voltage rating of 630 VDC, and a capacitance tolerance of ±5%. It operates over a temperature range of -40°C to +105°C. The metallized polypropylene film dielectric provides low losses and high insulation resistance. The self-healing properties ensure long-term reliability by allowing the capacitor to recover from transient overvoltage events. The epoxy resin coating provides environmental protection and flame retardancy. This capacitor is well-suited for use in power electronics, industrial equipment, and renewable energy systems where high performance and reliability are critical.