TAP155M035CRS

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Tantalum capacitors are electronic components which use the alloy tantalum powder as the anode material, and use manganese dioxide or other oxide powders as the electrolyte solution. The TAP155M035CRS is a representative of the tantalum capacitor. This article provides an introduction to its application field and working principle.

TAP155M035CRS Overview

The TAP155M035CRS is a tantalum polymer surface mount capacitor with a voltage rating of 2.5 V DC. It has a 5 mm diameter, a 0.45 mm maximum height and a capacitance of 0.15 μF. With a capacitance tolerance of ±20%, it is an excellent choice for use in low-power applications such as switching regulator and boost converter power supplies.

On the other hand, the TAP155M035CRS is an ideal solution for high-volume, cost-effective designs. It is a product of the Surelife series, which promise a high capacitance, tight tolerance, rapid recovery time and excellent reliability. Additionally, the part is reflow compatible and features an extended temperature range.

Applications

As an SMD surface mount capacitor, the TAP155M035CRS is widely used in a variety of applications. It is often used in low power and high volume applications such as switching regulator and boost converter power supplies. It is also used in audio and video equipment, computer motherboards, gaming consoles, and other sensitive electronic circuits.

The component is suitable for use in mass production for short-term and medium-term operating temperatures. It can also be used in large-scale integration combining multiple TAP155M035CRSs in parallel to provide larger overall capacitance. Furthermore, the capacitor is characterized by a low ESR value, making it highly suitable for use in sensor-based circuit design and implementation.

Working principle

The TAP155M035CRS relies on the basic capacitance property of electrochemical double layer capacitors (EDLC). The material Ta is the main component of the capacitor. The other component is the electrolyte solution, which is a combination of Ta2+ ions and organic molecules. This combination creates a separation of Ta+ and Ta2+ ions, and a double layer of charge separation.

When an AC or DC current is applied to the TAP155M035CRS, the Ta2+ ions, surrounded by the organic molecules, move to the anode in response. This creates the double layer of electrode separation, the anode potential and the displacement current. As a result, the total capacitance of the capacitor is defined by the area of the electrode surface and the thickness of the electrolyte material.

Conclusion

The TAP155M035CRS is a high-performance polymer tantalum capacitor which offers reliable performance for low power and high volume applications. The main component of the capacitor is tantalum, with an electrolyte solution featuring Ta+ and Ta2+ ions. With its low ESR value and low self-inductance, its utilization in sensor-based circuit design is becoming more popular. The capacitor is also reflow compatible and features an extended temperature range, making it suitable for use in mass production.

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