TAP475J020SCS

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Tantalum capacitors utilize electrolytic capacitors, relying on a thin oxide film on a tantalum anode to keep the capacitor functioning. The TAP475J020SCS is a high performance axial lead, non polarized, molded solid tantalum capacitor. It is designed for long-term reliability and performance in industrial, military, and aerospace applications. The capacitor has a temperature rating of 85 °C and a capacitance of 47 μF.

Types of Tantalum Capacitors

Tantalum capacitors are available in two types - wet tantalum and solid tantalum. Wet tantalum capacitors are constructed with an electrolytic chamber and two terminals, and solid tantalum capacitors consist of an anode, a dielectric, and a cathode.

Wet tantalum capacitors consist of a porous tantalum anode, and the electrolyte is held within the porous anode. The dielectric is formed between the anode and the cathode, and electric charges are stored in the dielectric. The solid tantalum capacitors are constructed in a different way. They are made up of an anode and a cathode, with an insulating layer of tantalum pentoxide between the two. The dielectric is formed by chemical oxidation through electrolysis.

TAP475J020SCS Specifications

The TAP475J020SCS is a non-polarized capacitor that has a temperature rating of 85 °C. Its capacitance is 47 μF. It has an operating voltage of 25 volts and a leakage current of 2.4 mA. The capacitor has a diameter of 7.3mm and a height of 9.7mm, with a tolerance of 10%. It is designed for Moisture Sensitivity Level 2 according to J-STD-020 standards.

Applications of TAP475J020SCS

The TAP475J020SCS is suited for military and aerospace applications, as well as industrial applications. It is an excellent choice for signal path filtering and signal conditioning applications, where its high capacitance-to-voltage ratio is especially beneficial. It can also be used in power supply circuits to reduce radiated EMI, in high frequency circuits to reduce signal distortions, and in diode blocking/DC blocking applications.

Working Principle of TAP475J020SCS

The working principle of the TAP475J020SCS is based on the principles of electrolytic capacitors. The capacitor consists of two metallic plates (anode and cathode) separated by a dielectric material. When an electrical potential is applied across the plates, a charge is stored in the capacitor. The charge stored in the capacitor can be released by applying a reverse potential across the terminals, or by discharging the capacitor with a resistor.

The dielectric material used between the plates of the TAP475J020SCS is an oxide layer. This oxide layer helps to increase the capacitance-to-voltage ratio, giving the capacitor a higher capacitance-to-voltage ratio than other types of capacitors. This allows the capacitor to be used in a wider range of applications where a higher capacitance-to-voltage ratio is needed.

Conclusion

The TAP475J020SCS is a high performance axial lead, non-polarized, and molded solid tantalum capacitor. It has a temperature rating of 85 °C, a capacitance of 47 μF, and an operating voltage of 25 volts. It is ideally suited for military, aerospace, and industrial applications and can be used in a variety of applications, including signal path filtering and signal conditioning, power supply circuits, high frequency circuits, and diode blocking applications.

The working principle of the TAP475J020SCS relies on the principles of electrolytic capacitors, in which two metallic plates are separated by a dielectric material. The dielectric material is an oxide layer which helps to increase the capacitance-to-voltage ratio. This allows the capacitor to be used in a wider range of applications where a higher capacitance-to-voltage ratio is needed.

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