T491D476K025AT

The T491D476K025AT is a specific type of tantalum capacitor manufactured by KEMET, a well-known company in the field of electronic components. Here’s a detailed description of this component:

General Overview

• Type: Tantalum Capacitor
• Manufacturer: KEMET
• Series: T491
• Capacitance: 47 µF (microfarads)
• Voltage Rating: 25 V (volts)
• Dielectric: Tantalum
• Form Factor: Surface Mount Device (SMD)

Physical Characteristics

• Package Size: The T491D476K025AT typically comes in a compact surface mount package, which allows for efficient use of space on printed circuit boards (PCBs). The exact dimensions may vary, but it is generally designed to fit standard SMD footprints.
• Termination: The capacitor features solderable terminations, which are designed for easy mounting on PCBs. The terminations are usually made of a conductive material that ensures reliable electrical connections.
• Marking: The component is usually marked with a code that includes the manufacturer's logo, capacitance value, voltage rating, and possibly a date code for traceability.

Electrical Characteristics

• Capacitance Tolerance: The tolerance for this capacitor is typically ±10%, which means the actual capacitance can vary by this percentage from the nominal value.
• Temperature Range: The operating temperature range is generally from -55°C to +125°C, making it suitable for a wide variety of applications, including those in harsh environments.
• ESR (Equivalent Series Resistance): The T491 series is known for having low ESR, which is beneficial for applications requiring high-frequency performance and efficiency.

Applications

The T491D476K025AT is commonly used in various electronic applications, including:

• Power supply circuits
• Decoupling and filtering applications
• Energy storage in portable devices
• Audio equipment
• Telecommunications

Reliability and Compliance

KEMET capacitors, including the T491D476K025AT, are designed to meet various industry standards for reliability and performance. They are often compliant with RoHS (Restriction of Hazardous Substances) regulations, ensuring that they are environmentally friendly and safe for use in consumer electronics.

Summary

In summary, the T491D476K025AT from KEMET is a reliable and efficient tantalum capacitor with a capacitance of 47 µF and a voltage rating of 25 V. Its compact SMD design, low ESR, and wide temperature range make it suitable for a variety of electronic applications, particularly in power management and signal processing.