IM04RUR15M

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Fixed Inductors

Fixed Inductors are the most commonly encountered and manufactured type of inductor. These devices consist of an inductive coil with two electrodes providing a current path, and a core composition that varies according to the application field. Most inductors have variable inductance dependent on the voltage or current applied to them, while others are fixed meaning their inductance does not change with varying voltage or current.

The IM04RUR15M fixed inductor is a popular choice for applications ranging from automotive, consumer electronics and audio applications, to power converters and storage systems. The device is a radial, open-frame inductor and has a height of 14mm and a width of 4mm, making it suitable for high density printed circuit boards (PCBs). It has a bidirectional current rating of 6A, an inductance range of 4.7uH to 470uH and a saturation current of 8A. Due to its small size and low profile, this device is particularly well suited for DC to DC converters, line filters, switch mode power supplies, and many other power management applications.

Working Principle

As a basic fundamental component of electrical engineering, inductors are most simply defined as a coil of wire that stores energy in the magnetic field that it creates when a current flows through it. When an AC voltage is applied, the core of the fixed inductor stores energy in its own magnetic field as the current passes through the coil, with the current displayed as a series of alternating directions.

The stored energy gradually increases or decreases in magnitude depending on the frequency of the applied voltage, which creates a counter-EMF in the inductor, which opposes the applied EMF, and in the case of a low frequency, may store energy in the form of a steady magnetic field. The inductance of a fixed inductor is defined as the ratio of the current to the direct communication voltage and provides a measure of what is stored in the magnetic field.

The traditional manner of using the field of the fixed inductor is by attaching it to three basic circuits: a sub-circuit in parallel, series and serial inductor circuit. In a parallel sub-circuit, the inductor helps reduce the resistance in the circuit and allows for a smoother current supply to the load. Series inductor circuits use the inductance of the circuit to reduce the flow of electrical current in the device, while the serial sub-circuit uses a combination of the device’s inductance and resistance to divide the current between the device and the load.

The IM04RUR15M is designed for a wide range of applications, with its high maximum current rating and low profile ideal for use in high density circuit boards and power management systems. As a series inductor, it increases the inductance of the circuit, allowing for a higher current rating and improved efficiency compared with traditional inductors.

Applications of IM04RUR15M

The IM04RUR15M is most commonly used in automotive, consumer electronics, audio and storage systems. Its small size and low profile allow for a more compact circuit board and its high current rating, low power dissipation and low profile allow for a very efficient system overall.

The device is also ideal for use in DC-DC converters, line filters and switching mode power supplies due its low impedance, high power rating and low profile, allowing for a larger current flow in a smaller area. It is also well suited for EMI (electromagnetic interference) suppression and chokes, where its small size and low profile are advantageous. In addition, it is a suitable choice for storage systems, such as digital memory storage and audio systems, where its low profile is beneficial.

The IM04RUR15M is also a popular choice for audio applications. The device provides a low impedance, allowing for higher fidelity in audio signals, and its low profile is great for systems where space is limited.

In summary, the IM04RUR15M is a highly versatile, compact and efficient device suitable for a wide range of applications in the automotive, consumer electronics, storage and audio industries, and it provides a high power rating and low profile for a superior system overall.

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