The T491A225K025AT is a solid tantalum capacitor from Kemet. It is a surface mount device (SMD) with a 1206 case size, meaning that it is 1.2mm wide and 0.6mm tall. It has a capacitance of 2.2uF, a voltage rating of 25V, and an ESR of 7 ohms.

Tantalum capacitors are known for their high capacitance density and low leakage current. They are also very reliable and have a long lifespan. This makes them ideal for use in a wide range of applications, including:

• Portable electronics, such as smartphones, tablets, and laptops
• Power supplies
• Industrial equipment
• Medical devices
• Aerospace and defense applications

The T491A225K025AT is a particularly good choice for applications where space is limited and high performance is required. It is also lead-free and RoHS compliant, making it an environmentally friendly option.

Here are some of the key features and benefits of the T491A225K025AT:

• High capacitance density
• Low leakage current
• High reliability
• Long lifespan
• Small size
• Lead-free and RoHS compliant

Applications

The T491A225K025AT can be used in a wide range of applications, including:

• Portable electronics
• Power supplies
• Industrial equipment
• Medical devices
• Aerospace and defense applications

Typical Specifications

• Capacitance: 2.2uF
• Voltage rating: 25V
• ESR: 7 ohms
• Case size: 1206
• Temperature range: -55°C to +125°C

How to Choose the Right Tantalum Capacitor

When choosing a tantalum capacitor, there are a few key factors to consider:

• Capacitance: The capacitance is the amount of charge that the capacitor can store. It is measured in farads (F).
• Voltage rating: The voltage rating is the maximum voltage that the capacitor can withstand without being damaged. It is measured in volts (V).
• ESR: The ESR is the equivalent series resistance of the capacitor. It is a measure of the internal resistance of the capacitor. A lower ESR means that the capacitor can deliver more current.
• Case size: The case size is the physical size of the capacitor. It is important to choose a capacitor that will fit in the available space.

Conclusion

The T491A225K025AT is a high-performance tantalum capacitor from Kemet. It is ideal for use in a wide range of applications, where space is limited and high performance is required.