The T520D108M2R5AE030 is a surface-mount solid electrolytic capacitor from KEMET's T520 series. It's designed for demanding applications requiring high volumetric efficiency, stable electrical performance, and extended life. This capacitor utilizes a polymer cathode technology, offering significant advantages over traditional MnO2 capacitors, particularly in terms of ESR (Equivalent Series Resistance) and surge current capability.

Applications

• Power management circuits
• DC-DC converters
• Filtering and decoupling in high-frequency circuits
• Solid State Drives (SSDs)
• Portable electronics

Features

• Polymer cathode technology
• Surface mount design
• Low ESR
• High capacitance retention at high frequencies
• Stable electrical performance over temperature and voltage
• RoHS compliant

Benefits

• Improved circuit performance due to low ESR, leading to reduced ripple voltage and improved transient response.
• Extended operating life because of the stable polymer cathode, which is less susceptible to degradation compared to MnO2.
• Higher reliability in demanding applications, minimizing field failures.
• Space savings on the PCB due to the high volumetric efficiency of the capacitor.
• Compliance with environmental regulations (RoHS).

Additional Details

This specific part, T520D108M2R5AE030, has a capacitance of 1000 uF (microfarads), a voltage rating of 2.5V (Volts) DC, and an ESR of 30 mOhms. It comes in a EIA standard 7343-31 case size (D case). The operating temperature range is typically -55°C to +105°C. The termination finish is typically matte tin. Polymer electrolytic capacitors are known for their benign failure mode, usually exhibiting a gradual increase in leakage current rather than a catastrophic short circuit, enhancing the overall system safety and reliability.