The CE4501 is an aluminum polymer capacitor manufactured by Vishay. These capacitors are known for their low equivalent series resistance (ESR), high ripple current capability, and long operational life, making them ideal for demanding applications where performance and reliability are crucial. Aluminum polymer capacitors offer a superior alternative to traditional electrolytic capacitors in many applications.

Applications:

• Switching Power Supplies: Used as output capacitors in switching power supplies to reduce ripple voltage and improve transient response.
• DC-DC Converters: Employed in DC-DC converters for filtering and energy storage.
• Motherboards: Utilized on computer motherboards for voltage regulation and power filtering.
• Graphics Cards: Used on graphics cards for power delivery and decoupling.
• Industrial Power Supplies: Implemented in industrial power supplies for robust performance in harsh environments.

Features:

• Low ESR: Minimizes power loss and improves efficiency.
• High Ripple Current Capability: Handles high ripple currents without significant heating.
• Long Life: Offers extended operational life compared to standard electrolytic capacitors.
• Stable Performance Over Temperature: Maintains stable performance over a wide temperature range.
• RoHS Compliant: Meets environmental regulations.
• Surface Mount Technology (SMT): Designed for automated assembly.

Benefits:

• Increased Efficiency: Low ESR improves the efficiency of power supplies and converters.
• Improved Reliability: Long life and stable performance enhance system reliability.
• Reduced Board Space: SMT packaging minimizes board space requirements.
• Enhanced Performance: High ripple current capability provides superior performance in demanding applications.

Additional Details:

The CE4501 series capacitors are available in various voltage and capacitance ratings. The operating temperature range is typically -55°C to +105°C or +125°C, depending on the specific part number. The datasheet provides detailed specifications for ESR, ripple current, and life expectancy. Proper derating is recommended to ensure long-term reliability. Aluminum polymer capacitors are less susceptible to drying out compared to traditional electrolytic capacitors, making them a more robust choice for applications requiring long service life. These capacitors are suitable for use in a wide range of electronic devices and systems.