TAP155M035SLZ

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Tantalum capacitors have become commonplace in countless electronic circuits. This is due to their ability to provide a variety of electrical properties, such as high capacitance, relatively low cost and small size for a given capacitance. The TAP155M035SLZ is a surface mount, tantalum electrolytic capacitor that is typically employed in the signal-processing stages of many different electronic applications. This paper seeks to explore the application field and working principle of the TAP155M035SLZ.

Application Field

The TAP155M035SLZ is a surface-mount, polarized capacitor made from a tantalum anode surrounded by a solid electrolyte of manganese dioxide (MnO2). It offers excellent reliability for use in applications with high noise immunity and has very low ESR values across its capacitance range. As a result, these capacitors are able to filter high frequency noise and reduce the cross-talk between signals, which is particularly useful for signal-processing applications. Applications may include, but are not limited to, medical electronics, personal computers and automotive electronics.

Working Principle

The TAP155M035SLZ works in much the same way as any other polarized capacitor. A tantalum anode and a manganese dioxide electrolyte are sandwiched between two layers of a di-electric material. This sandwich is then enclosed in a package to form the capacitor. When a potential difference greater than the rated value is applied across the capacitor\'s terminals, an electronic charge carrier will move from the anode to the cathode, forming an electric field. This electric field is able to store energy in the form of electrostatic charge.

In practical terms, when the voltage of the applied voltage is kept below the rated value, the capacitor continues to store the electrostatic charge, which causes it to hold its capacitance. The higher the applied voltage, the more electrostatic charge is stored, thus increasing the capacitance. As the applied voltage is reduced, the capacitor’s capacitance is reduced. This is why it is essential that the applied voltage not exceed the rated value.

Conclusion

The TAP155M035SLZ is a surface mount, tantalum electrolytic capacitor that is well suited for signal-processing applications due to its favorable electrical properties. It works in much the same way as other polarized capacitors, by forming an electric field that is capable of storing energy in the form of electrostatic charge. By understanding its application field and how it works, electronic engineers will be better equipped to design circuit boards that incorporate the TAP155M035SLZ.

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