The KEMET T520 series is a high-reliability, solid electrolytic capacitor designed for applications requiring stable electrical performance and long operational life. The T520D477M004ATE0157124 specifically is a tantalum polymer capacitor offering a capacitance of 470µF and a voltage rating of 4V. This capacitor utilizes a surface mount (SMD) configuration, making it suitable for automated assembly processes and high-density circuit board designs. The ATE015 indicates specific testing or performance characteristics related to reliability or application specifics.

Applications:

• Power management circuits, where stable capacitance is crucial for filtering and energy storage.
• DC-DC converters for smoothing output voltage and reducing ripple.
• High-reliability industrial applications where extended operational life and stable performance are critical.
• Telecommunications equipment for filtering and decoupling in sensitive circuits.
• Automotive electronics, benefiting from the capacitor's robustness and stability over a wide temperature range.

Features:

• Tantalum Polymer Electrode: Provides superior stability and reliability compared to traditional tantalum capacitors.
• Surface Mount Design: Facilitates automated assembly and high-density circuit board layouts.
• Low ESR (Equivalent Series Resistance): Minimizes power dissipation and improves circuit efficiency.
• Stable Electrical Performance: Maintains consistent capacitance and ESR over temperature and frequency.
• RoHS Compliant: Meets environmental regulations for hazardous substances.
• ATE series: Denotes enhanced testing and reliability screening.

Benefits:

• Increased Reliability: The tantalum polymer construction offers enhanced operational life and stability, reducing the risk of component failure.
• Improved Circuit Efficiency: Low ESR minimizes power losses, resulting in higher efficiency and reduced heat generation.
• Reduced Board Space: The SMD design allows for compact circuit board layouts, saving valuable space.
• Simplified Assembly: Surface mount compatibility streamlines the assembly process and reduces manufacturing costs.
• Enhanced Performance: Stable electrical characteristics ensure consistent and reliable circuit operation.
• High confidence in Quality Through ATE screening.

The T520D477M004ATE0157124 has a capacitance tolerance of ±20%. It's designed to operate over a wide temperature range, typically from -55°C to +125°C, making it suitable for demanding environments. The low ESR characteristic is particularly beneficial in applications where ripple current is a concern. The device is typically supplied in tape and reel packaging for automated assembly.