EP169NP-1R7

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Fixed inductors play an important role in providing the necessary inductance and specific reactance to circuits, they are an integral part of many circuits in a wide variety of applications and are used in both AC and DC applications. This article will discuss the EP169NP-1R7 fixed inductor, its application field and working principle.

EP169NP-1R7 is a type of SMT power inductor, it is constructed with high temperature magnet wire, and uses a high permeability ferrite core piece to store magnetic energy. Its primary application fields are for use in switching power supplies, DC/DC converters and other power applications require low DCR and small size.

The EP169NP-1R7 has a construction of a single layer of a ferrite core, with a single winding of high temperature magnet wire around the core in order to provide a high inductance. When the coil is exposed to DC current it generates a magnetic field in a uniform flux pattern that is concentrated on the ferrite core like. This creates an electric field which acts as an effective inductive that stores energy.

As a fixed inductor values cannot be adjusted it is essential for engineers to select the right inductor by taking into account the circuit’s physical design, frequency and power output needs.

To illustrate its working principle, take the EP169NP-1R7 as an example. This inductor has a positive inductance (+L) when a positive current (+I) flows from its terminals. When the current increases or decreases, the inductance increases or decreases accordingly. This is because the rate of change of magnetic field within the inductor is directly proportional to the rate of change of current.

The EP169NP-1R7 is also known as an air-core inductor because there is no ferromagnetic core material used to separate the windings. As a result, the EP169NP-1R7 has higher stability and reliability than other inductors. Moreover, it has excellent electrical and thermal characteristics, and is capable of operating over a wide temperature range.

The EP169NP-1R7 is a great choice for designers of power-components requiring moderate inductance, low DC resistance, temperature stability, and the ability to withstand high power handling capability. Its application field is mainly in DC/DC converters, inverters, computer motherboards, LCD monitors, and other power-electronic control and power conversion applications.

In conclusion, EP169NP-1R7 is a fixed inductor commonly used in power-electronic applications, due to its high-quality characteristics, including excellent electrical and thermal performance and wide-temperature-range capabilities.

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