NOJW107M004RWJ

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Overview of Niobium Oxide Capacitors

Niobium oxide capacitors, also known as capacitors, are components used to store electric energy or power for short periods of time. They are an important component in many electronic circuits and are often used in switched-mode power supplies (SMPSs) as they can handle high voltage and high current efficiently and reliably. The most popular type of niobium oxide capacitor is the NOJW107M004RWJ, which is an aluminum electrolytic capacitor. This type of capacitor is ideal for power supply applications due to their low ESR (Equivalent Series Resistance), high ripple current handling, and long life.

NOJW107M004RWJ

The NOJW107M004RWJ is an aluminum electrolytic capacitor with a capacitance of 47μF (microfarads) and a rated voltage of 100V DC (Direct Current). This capacitor has a cermet anode construction consisting of a mixed oxide of niobium and tantalum, which gives it a high wattage output and enhanced reliability. The cathode is composed of aluminum foil, making it very resistant to arcing and providing a more linear discharge.

The NOJW107M004RWJ is widely used in power supplies, AC-DC converters, DC-DC converters, UPSs, SMPSs, and other power circuits due to its long life, high ripple current tolerance, and low ESR. It is also recommended for applications that require a low impedance capacitor, such as in the timing circuits of digital logic circuits. The capacitor also has a wide operating temperature range of -40℃ to +105℃ and is UL approved.

Application Fields and Working Principle

The NOJW107M004RWJ niobium oxide capacitor is widely used in power supplies as it can handle large amounts of current and voltage without taking up excessive board space. It is also an ideal choice for applications that require a low capacitance due to its high ripple current tolerance and low ESR. The most common application fields for the NOJW107M004RWJ include DC-DC converters, AC-DC converters, UPSs, and SMPSs.

The NOJW107M004RWJ capacitor works by converting electrical energy into a chemical form by storing charge on a dielectric material (the niobium oxide). When a current flows through the dielectric material, an electrostatic field forms and stores electrical energy. To discharge the capacitor, the electrostatic field is allowed to dissipate, resulting in an energy output. This can be done via a series of capacitors connected in series and parallel to create a more efficient circuit.

Conclusion

The NOJW107M004RWJ niobium oxide capacitor is a high-performance component ideal for power supplies, DC-DC converters, AC-DC converters, UPSs, SMPSs, and other power circuits due to its high ripple current tolerance, low ESR, and long life. Its cermet anode construction and aluminum foil cathode also provide enhanced reliability and linear discharge. By understanding the principles of how this type of capacitor works, users can select the right capacitor for their application to ensure a reliable and efficient power supply.

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