T551B127M015AT

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Tantalum - Polymer Capacitors

Tantalum – Polymer capacitors are often used in electronics, especially in products which need to be reliable and compact. They range in size from 0603 chip mini-capacitors to multi-layer capacitors in surface-mount packages. Due to their large capacitance, they are used in many applications, such as smoothing, decoupling and energy storage.

T551B127M015AT application field and working principle

The T551B127M015AT is a popular tantalum-polymer capacitor that has a wide range of applications. This capacitor is ideal for low-profile, high-current applications and filtering, and operates at temperatures up to 125°C. The major applications of this capacitor are in micro-electronic circuits, printed circuits boards, power supplies, communications equipment and aerospace electronics.

The T551B127M015AT is a polarized capacitor, meaning that it must be connected with proper polarity for the device to function properly. It features an anode terminal on the bottom, a cathode terminal on the top, and a dielectric material made from a composite of chemically balanced tantalum and polymer material. During operation, the capacitor stores energy in the form of an electric field, and can be used to filter signals at high frequencies as it passes current from one terminal to the other. This capacitor has a capacitance of 12.7μF and a voltage rating of 16V.

Advantages of Tantalum-Polymer Capacitors

Tantalum-Polymer capacitors are widely used in the electronics industry due to their low profile and relatively large capacitance, when compared to traditional electrolytic capacitors. These capacitors also have low ESR (Equivalent Series Resistance) values, which means they are highly efficient and can handle higher currents than traditional capacitors. Additionally, they are non-polarized, which makes it easier to connect them in circuit designs, and they also have a wide voltage range, which makes them suitable for a variety of applications.

Tantalum-Polymer capacitors are also resistant to vibration and shock, and can operate at temperatures up to 125°C, which makes them ideal for high-temperature and high-reliability applications. Furthermore, these capacitors have a low leakage current, which is important for the accurate operation of electronic circuits, and have a long life span which results in lower maintenance costs.

Disadvantages of Tantalum-Polymer Capacitors

Although Tantalum-Polymer capacitors have many advantages, they do have a few drawbacks as well. One of these drawbacks is that they can be susceptible to short circuits due to their low ESR, which can cause them to overheat and malfunction. Furthermore, they are also more expensive than traditional electrolytic capacitors, but their long life expectancy and high reliability can often make them a worthwhile investment.

Tantalum-Polymer capacitors also have a limited temperature range, as they can only operate up to 125°C, which means they cannot be used in some extremely high-temperature applications. Additionally, these capacitors can be damaged by high voltages, and they are also sensitive to electrostatic discharge, which can cause them to malfunction if not handled correctly.

Conclusion

Tantalum-Polymer capacitors are widely used in many electronics applications due to their low profile and their large capacitance. The T551B127M015AT is a popular tantalum-polymer capacitor that has a wide range of applications, and it is ideal for low-profile, high-current applications and filtering. These capacitors have many advantages, including a low ESR, a wide voltage range and a long life span. However, they do have a few drawbacks, such as a limited temperature range and sensitivity to electrostatic discharge.

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