The T520B227M004AE070 is a solid electrolytic capacitor from Kemet’s T520 series, designed for high-performance applications where low ESR (Equivalent Series Resistance) and stable capacitance are crucial. This capacitor employs polymer cathode technology, providing superior electrical characteristics compared to traditional MnO2 tantalum capacitors. It is well-suited for use in DC-DC converters, power management circuits, and filtering applications that demand high efficiency and reliability.

Applications:

• DC-DC Converters: Input and output filtering to reduce ripple and noise.
• Power Management Units (PMUs): Decoupling and energy storage in PMU circuits.
• Bulk Capacitance: Providing bulk capacitance for voltage stabilization.
• High-Frequency Filtering: Filtering high-frequency noise in sensitive circuits.
• Embedded Systems: Power supply decoupling and filtering for microcontrollers and other components.

Features:

• Capacitance: 220 µF (Microfarads)
• Voltage Rating: 4 V (Volts)
• ESR: 70 mΩ (Milliohms)
• Tolerance: ±20%
• Operating Temperature Range: -55°C to +105°C
• Case Size: B Case (EIA 3528 Metric)
• Termination: Surface Mount Device (SMD)
• Polymer Cathode Technology: Low ESR and improved reliability compared to MnO2.
• RoHS Compliant: Compliant with Restriction of Hazardous Substances directive.

Benefits:

• High Performance: Excellent electrical characteristics for demanding applications.
• Low ESR: Reduces power dissipation and improves ripple current handling.
• Stable Capacitance: Maintains stable capacitance over a wide range of temperatures and voltages.
• Long Life: Provides long-term reliability and operational life.
• Space Saving: High volumetric efficiency allows for compact designs.

Additional Details:

The Kemet T520B227M004AE070 capacitor is engineered with a polymer cathode, offering significant advantages over traditional MnO2 cathodes, particularly in applications requiring low ESR and high ripple current capability. The 'B' case size (3528 metric) provides a compact footprint suitable for various PCB layouts. It is frequently used in high-frequency switching power supplies where low impedance and stable performance are critical. The surface mount design facilitates automated assembly, reducing manufacturing costs. For detailed performance data, soldering recommendations, and reliability information, consulting the Kemet datasheet is recommended before incorporating this capacitor into your designs. Typically supplied on tape and reel for automated pick and place assembly. The device is also halogen-free.