IM04SHR82K

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Fixed inductors are components generally used to store electric energy in the form of a magnetic field. They are commonly used to adjust peak currents in high frequency, D.C tests, and to filter signals in power supply systems. The IM04SHR82K is an inductor developed by Murata Electronic Components, specifically designed for applications in consumer electronics and automotive circuits.

Application Field

The IM04SHR82K is a small, high-reliability Surface-Mount type coil, optimized for use in mobile phones, tablet PCs and automotive electronics. It has a rated inductance of 1.5mH, a rated current of 300mA and a rated voltage of 30Vdc. The package size is 4.0 x 4.2 x 2.9mm, with a rated power dissipation of 0.6W. In comparison to previous generations of mobile phone antennas and receiver coils, the IM04SHR82K has a compact size and improved sensitivity.

Working Principle

Inductors work on the principle of electromagnetic induction. When an alternating electric current is applied to the windings of a coil, a rotating magnetic field is induced in the coil that stores energy. This energy is transferred from one winding to another and results in a voltage being produced across its terminals. The energy stored in an inductor is a direct function of the inductance of the coil and the square of the current being applied to it. So, a higher inductance and current leads to a higher voltage.

The IM04SHR82K uses a small, one-layer PCB board design, with components placed on two copper-plated surfaces. This allows an increased total current capability, while maintaining a low electrical resistance and high inductance constant. A special type of ferrite-based material is used in the construction of the PCB, which results in better heat dissipation and lower electrical resistance.

Advantages of Using the IM04SHR82K

The IM04SHR82K has a number of advantages over other conventional coils including higher sensitivity, smaller size, lower self-inductance and better heat dissipations. The smaller, one-layer design also allows for greater flexibility in designing circuits. This makes it ideal for applications where small, high power circuits are required. The low electrical resistance also helps to reduce noise, interference and power consumption in circuits.

The IM04SHR82K is also designed to be resistant to shock and vibration, ensuring optimum performance even in rugged environments. This makes it ideal for use in automotive circuits, where vibration and shocks can cause damage to conventional coils. This coil is also designed for resistant to heat and moisture, making it suitable for a wide range of environmental conditions.

The construction of the IM04SHR82K is also more efficient than conventional coils, resulting in a higher current rating. This makes it suitable for high-power applications, where a higher current and voltage is required. The improved sensitivity also results in fewer false triggers and improved frequency response.

Conclusion

The IM04SHR82K is a high-quality, one-layer, surface-mount coil, specifically designed for mobile phones, tablet PCs and automotive electronics. It has a number of advantages over conventional coils, including higher sensitivity, smaller size, lower self-inductance and better heat dissipation. Its construction also ensures a higher total current rating and improved frequency response. This makes it ideal for applications where high power, compact circuits are required.

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