04023J3R8ABWTR

Series:	Accu-P®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	3.8pF
Tolerance:	±0.05pF
Voltage - Rated:	25V
Mounting Type:	Surface Mount
Package / Case:	0402 (1005 Metric)
Operating Temperature:	-55°C ~ 125°C
Features:	RF, High Q, Low Loss
Size / Dimension:	0.039" L x 0.022" W (1.00mm x 0.55mm)
Height - Seated (Max):	0.020" (0.50mm)

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Thin Film Capacitors ApplicationThin film capacitors are widely used in a variety of electronic components and applications due to their low cost, small size, high performance and reliability. Thin film capacitors are a type of capacitor which consists of metal layers with a dielectric layer between them. This type of capacitor was developed for use in the electronics industry and has advantages such as low power loss, high reliability, and high capacitance.The most widely used application of these capacitors are in power supplies, lighting systems, medical equipment, automotive electronics, and even in telecommunications networks. In power supplies, thin film capacitors can provide fast response time and high current density, reducing the size and weight of the devices. In lighting systems, these capacitors can provide the necessary energy storage and switching capacity required, so that lights can be switched on and off quickly and reliably.In the medical, automotive and telecommunications field, thin film capacitors can be used to improve frequency response and reduce EMI and noise. In addition, they are also used as voltage- and power-regulation devices, as well as radio-frequency filters.Working Principle and Construction of Thin Film CapacitorsThe construction of thin film capacitors consists of two metal layers – usually aluminum or gold – with a dielectric layer between the metal layers. The dielectric layer is typically composed of niobium oxide. The metal layers can also be composed of other conductive materials such as silver or platinum.The working principle of these capacitors relies on the concept of building an electrical field on the surface of the dielectric. When a voltage is applied across the metal plates, the electrical field will produce a gradient from one side of the capacitor to the other, causing a capacitance to occur between the plates.The capacitance of a thin film capacitor is determined by its construction, configuration, and materials used. Therefore, it is important to choose a capacitor that is suited for the intended application. As such, thin film capacitors are available in a range of sizes and configurations, allowing their use in a wide variety of applications.In addition, the dielectric of a thin film capacitor can be made from a variety of materials, including niobium oxide, aluminum oxide, and tantalum pentoxide. Each material will produce different levels of capacitance, as well as different levels of performance, depending on the application.Finally, these capacitors are also available in a range of sizes, allowing them to be used in enclosures with no air circulation, air-cooled heat exchangers, and other components, such as those found in medical and automotive equipment. ConclusionIn conclusion, thin film capacitors are a popular choice for many electronic applications and have advantages such as low power loss, high performance, and reliability. They are available in a range of sizes, configurations, and materials and can be used in power supplies, lighting systems, medical equipment, automotive electronics, and even in telecommunications networks. Furthermore, their dielectric layer can also be produced from a variety of materials, providing different levels of performance and capacitance. This makes them suitable for use in many different applications and in various areas of the electronics industry.

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