NOSD477M002R0100 Capacitors

Series:	OxiCap® NOS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	470µF
Tolerance:	±20%
Voltage - Rated:	2.5V
ESR (Equivalent Series Resistance):	100 mOhms
Dissipation Factor:	--
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Manufacturer Size Code:	D
Height - Seated (Max):	0.122" (3.10mm)
Features:	Low ESR
Operating Temperature:	-55°C ~ 125°C
Supplier Device Package:	2917 (7343 Metric)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)

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Niobium Oxide CapacitorsNiobium oxide capacitors are a type of capacitors developed by Sandia Laboratories in the late 20th century. To make this type of capacitor, a niobium oxide semiconductor film is deposited on an oxidized kanthal substrate. This film offers electrical properties similar to those of conventional electrolytic capacitors, yet it has a much higher dielectric strength. Niobium oxide capacitors are widely used in various high-frequency and high-voltage applications, such as RF power amplifiers, mixers and oscillators.NOSD477M002R0100 is a type of niobium oxide capacitor developed by ROHM. This capacitor has a nominal capacitance of 0.47 µF and a maximum working voltage of 2 kV. It is suitable for use in high-voltage, high-frequency applications, as well as for AC and DC circuit applications.Application Field of NOSD477M002R0100NOSD477M002R0100 is typically used in the following application fields:1.High-voltage sensors: Niobium oxide capacitors are commonly used in high-voltage sensors because of their high dielectric strength. These capacitors can help in sensing high voltages without any risk of electrical breakdown.2.RF power amplifiers: NOSD477M002R0100 can be used in RF power amplifiers for filtering and signal conditioning. They can effectively filter out unwanted signals, improve the signal-to-noise ratio, and reduce distortions.3.Mixers and oscillators: As these capacitors have a high voltage rating, they are also suitable for use in high-frequency mixers and oscillators. They can help in providing a stable signal.Working Principle of NOSD477M002R0100When an external AC voltage is applied to the leads of the capacitor, an electric field is generated between the leads, and this electric field generates a mechanical force which exerts pressure on the niobium oxide film. This pressure causes the electrons within the film to move in an organized fashion, and this movement of electrons creates an electric current which is known as the dielectric current of the capacitor. This dielectric current is used to store and deliver the electrical energy.The pressure at which this electric field is generated is called the dielectric strength of the capacitor, and the dielectric strength of NOSD477M002R0100 is measured at 2 kV. As this voltage rating is much higher than the rated voltage of the capacitor, the dielectric strength of the capacitor is said to be robust and reliable.ConclusionNOSD477M002R0100 is a type of high-voltage, high-frequency niobium oxide capacitor, which is widely used in various applications such as RF power amplifiers, high-voltage sensors, mixers, and oscillators. This capacitor is rated at 2 kV and is capable of withstanding electrical breakdowns due to its high dielectric strength. The working principle of NOSD477M002R0100 involves generating a mechanical force in the niobium oxide film which causes the electrons within the film to move in an organized fashion, thereby creating a dielectric current which is used to store and deliver the electrical energy.

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