The T520B227M004AE045 is a high-performance solid electrolytic capacitor from Kemet's T520 series. This capacitor is designed for applications requiring high capacitance, low ESR (Equivalent Series Resistance), and stable performance across a wide range of temperatures and frequencies. It utilizes a polymer cathode technology, providing superior electrical characteristics compared to traditional MnO2 tantalum capacitors. This makes it suitable for use in demanding applications such as DC-DC converters, power management circuits, and high-frequency filtering.

Applications:

• DC-DC Converters: Used for input and output filtering in DC-DC converters to reduce ripple and noise.
• Power Management Circuits: Ideal for decoupling and energy storage in power management systems.
• High-Frequency Filtering: Suitable for filtering high-frequency noise in sensitive electronic circuits.
• Bulk Capacitance: Provides bulk capacitance for voltage stabilization and energy storage.
• Embedded Systems: Used in embedded systems for power supply decoupling and filtering.

Features:

• Capacitance: 220 µF (Microfarads)
• Voltage Rating: 4 V (Volts)
• ESR: 45 mΩ (Milliohms)
• Tolerance: ±20%
• Operating Temperature Range: -55°C to +105°C
• Case Size: B Case (EIA 3528 Metric)
• Termination: Surface Mount (SMD)
• Polymer Cathode Technology: Offers lower ESR and improved performance compared to MnO2 capacitors.
• RoHS Compliant: Complies with the Restriction of Hazardous Substances directive.

Benefits:

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

Additional Details:

The T520B227M004AE045 capacitor from Kemet is designed with a polymer cathode, which offers significant advantages over traditional MnO2 cathodes, particularly in applications requiring low ESR and high ripple current capability. The 'B' case size (3528 metric) is a common and compact footprint, making it suitable for a wide range of PCB layouts. This capacitor is commonly used in high-frequency switching power supplies, where low impedance and stable performance are critical. Its surface mount design allows for automated assembly, reducing manufacturing costs. It is essential to consult the Kemet datasheet for comprehensive performance data, soldering guidelines, and reliability information before incorporating this capacitor into your designs. The part is typically supplied on tape and reel for automated pick and place assembly. Additionally, it is halogen-free, making it environmentally friendly.