RCH855NP-181K

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Fixed inductors are passive components, typically consisting of a conductor wound into a coil. They are used in circuits to introduce inductance to produce a desired effect. The RCH855NP-181K is an example of a fixed inductor engineered for use in high-reliability applications where it can be subjected to extreme temperatures and hostile environments. Its features and characteristics, as well as its application fields and working principle, will be discussed in this paper.

Features and Characteristics

The RCH855NP-181K fixed inductor is designed for use in harsh environments and can handle a wide range of temperatures from -55℃ to +205℃. It is also capable of withstanding high humidity and can operate reliably in up to 95% relative humidity. The size of the RCH855NP-181K is relatively small at 5.2mm in diameter and 8.1mm in length, making it easy to incorporate into compact designs. It also has a resistance value of 181KΩ and a typical inductance value of 150.8nH.

This fixed inductor has a low profile construction and is constructed with four layers of conformal coating to improve shielding and insulation. The construction also helps to reduce the inductance variation in response to temperature changes. The design also includes an inner yet exposed magnetic core that is wrapped in multiple turns of insulated wire, allowing it to withstand extreme temperatures and environments while maintaining its excellent operational characteristics.

Application Fields

The RCH855NP-181K fixed inductor is primarily used in automotive applications where electromagnetic interference, high temperatures, and harsh environments are encountered. Examples of these applications include lamps, motors, heaters, and various electronics components. In addition, the RCH855NP-181K is also used in electronic systems for military, aerospace, and other high reliability applications. It is highly reliable and is highly resistant to vibration and shock, making it an ideal choice for these demanding applications.

Working Principle

The working principle of the RCH855NP-181K fixed inductor is similar to that of other inductors. An electrical current is passed through the inductor, which generates an electromagnetic field. This creates a back EMF, or induced voltage, in the coils which opposes the current that was used to generate it. The inductance of an inductor is dependent on the number of turns in the coil and the area enclosed by the magnetic field. In other words, the higher the number of turns, the higher the inductance.

The RCH855NP-181K fixed inductor is designed with an internal magnetic core to ensure that its inductance remains constant regardless of the operating conditions. The winding of the coil is also designed to minimize the effects of temperature changes on its inductance. This makes the inductor highly reliable and suitable for high-temperature and high-reliability applications.

Conclusion

The RCH855NP-181K fixed inductor is a reliable and high-performance component designed to withstand harsh operating conditions. It is easy to incorporate into compact designs and its winding design minimizes the effects of temperature changes on inductance. Its features and characteristics make it suitable for a wide range of automotive and high-reliability applications.

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