The KEMET PHE450TD5220JR17T0 is a polypropylene film capacitor designed for demanding applications requiring high stability and reliability. These capacitors are known for their excellent electrical characteristics, including low ESR (Equivalent Series Resistance) and high pulse strength. They are commonly used in power electronics and high-frequency circuits.

Applications:

• Power Supplies: Used in switched-mode power supplies (SMPS) for filtering and energy storage.
• Lighting Ballasts: Employed in electronic ballasts for fluorescent and LED lighting to provide stable voltage and current.
• Motor Drives: Integrated into motor drive circuits for filtering and smoothing the DC voltage.
• Renewable Energy Systems: Used in solar inverters and wind turbine converters for DC link filtering.
• Audio Amplifiers: Utilized in high-end audio amplifiers for coupling and decoupling signals.

Features:

• Polypropylene Film Dielectric: Provides excellent electrical characteristics, including low ESR and high insulation resistance.
• Self-Healing Properties: Can withstand voltage surges without permanent damage due to self-healing properties of the film.
• High Pulse Strength: Designed to handle high pulse currents and voltages.
• Flame Retardant Construction: Constructed with flame-retardant materials for safety.
• Long Life Expectancy: Offers a long operational life under typical operating conditions.
• Radial Leads: Features radial leads for easy mounting on printed circuit boards.

Benefits:

• High Reliability: Provides reliable performance in demanding applications.
• Stable Performance: Maintains stable electrical characteristics over a wide range of temperatures and frequencies.
• Long Service Life: Ensures a long service life, reducing maintenance costs.
• Safe Operation: Flame-retardant construction enhances safety.

Additional Details:

The PHE450TD5220JR17T0 has a capacitance of 22nF (0.022µF) and a voltage rating of typically 1000VDC or higher, depending on the exact specifications. The tolerance is typically ±5% or ±10%. The operating temperature range is typically -55°C to +105°C. The capacitor is available in a variety of lead spacings to accommodate different PCB layouts. Datasheets from KEMET provide detailed information on the device's electrical characteristics, dimensions, and application examples. Proper derating should be applied to the voltage and temperature to ensure reliable operation over the capacitor's lifetime.