The T491D476K025AT is a surface-mount solid tantalum capacitor manufactured by Kemet. It is part of the T491 series, which is known for its general-purpose characteristics and robust performance in various applications. The capacitor has a capacitance of 47μF (microfarads) and a voltage rating of 25V (volts). The case size is 7343, which corresponds to specific dimensions for surface mount assembly. The T491 series is designed to offer a balance of performance, reliability, and cost-effectiveness.

Applications

• General-purpose decoupling and filtering in electronic circuits.
• Power supply filtering.
• Bypass applications.
• DC-DC converters.
• Portable electronic devices.

Features

• Surface mount design for automated assembly.
• Solid tantalum construction for high reliability.
• Capacitance: 47μF
• Voltage Rating: 25V
• Case Size: 7343 (EIA Standard)
• Operating Temperature Range: -55°C to +125°C
• Low ESR (Equivalent Series Resistance)
• RoHS compliant

Benefits

• Stable performance over a wide temperature range.
• Long operational life due to solid tantalum construction.
• Compact size for space-constrained applications.
• Easy to integrate into automated assembly processes.
• Reduces noise and ripple in power supplies.

Additional Details

The T491 series is designed for reflow soldering and meets industry standards for surface mount components. The capacitor’s low ESR contributes to its effectiveness in filtering and decoupling applications by minimizing power losses. The 7343 case size provides a good balance between capacitance and physical size, making it suitable for a wide range of applications. The operating temperature range allows the capacitor to be used in both industrial and consumer electronic products. The typical capacitance tolerance is ±10% or ±20%, depending on the specific part number. The T491 series is a popular choice for designers seeking a reliable and cost-effective tantalum capacitor for general-purpose applications. Its solid tantalum construction provides inherent advantages in terms of stability and longevity compared to other capacitor technologies. The capacitor is marked with the capacitance, voltage rating, and manufacturer's identification for easy identification during assembly and maintenance. Kemet provides detailed datasheets and application notes to assist designers in selecting the appropriate capacitor for their specific needs.