T491D226K025AT

The T491D226K025AT 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: 22 µF (microfarads)
• Voltage Rating: 25 V (volts)
• Dielectric: Tantalum oxide

Physical Characteristics

• Package Type: Surface Mount Device (SMD)
• Case Size: Typically available in a 7.3 mm x 4.3 mm x 2.0 mm package, though exact dimensions may vary slightly based on the specific variant.
• Termination: The capacitor features a standard solderable termination, which is suitable for automated assembly processes.
• Polarity: Tantalum capacitors are polarized, meaning they have a positive and negative terminal. The T491D226K025AT will have clear markings to indicate the polarity.

Electrical Characteristics

• Capacitance Tolerance: ±10%, which indicates the range of capacitance values that can be expected from the capacitor.
• Temperature Range: Typically rated for operation between -55°C to +125°C, making it suitable for a wide range of applications.
• ESR (Equivalent Series Resistance): Low ESR, which is beneficial for applications requiring high-frequency performance and efficiency.
• Ripple Current Rating: The capacitor can handle a specified amount of ripple current, which is important for applications involving AC signals or pulsed DC.

Applications

The T491D226K025AT is commonly used in various electronic applications, including:

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

Compliance and Standards

• The capacitor is likely to comply with various industry standards, including RoHS (Restriction of Hazardous Substances), ensuring it is free from certain hazardous materials.

Summary

The KEMET T491D226K025AT tantalum capacitor is a reliable and efficient component designed for surface mount applications, offering a capacitance of 22 µF and a voltage rating of 25 V. Its low ESR and wide temperature range make it suitable for a variety of electronic devices, ensuring stable performance in demanding environments.