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Fixed Inductors

Fixed inductors are electrical components that store energy in a magnetic field created within a coil of wire. They are also known as “chokes.” An inductor can be used for a variety of purposes such as to provide a current path, filter out frequencies, create signals, and couple with other components. In all applications, the behavior of an inductor is highly dependent upon its application field and working principle.

IMS05BH391K Application Field and Working Principle

The IMS05BH391K is a fixed inductor with a compression bobbin construction. It is rated at 100mA, 460mH, 10% tolerance, and has a self-resonant frequency of 1.4MHz. It is designed to be used in power supplies, DC to DC converters, and voltage regulators, and is able to work under very high temperatures of up to 105 degrees Celsius.

The working principle of a fixed inductor is based on the relationship between electric and magnetic fields. When a voltage is applied across an inductor’s coil, it creates a magnetic field. This field then induces a current in the inductor, which in turns generates an opposing voltage across the coil. This opposing voltage is known as the back EMF or counter EMF. The strength of the back EMF is proportional to the rate of change in the current. This opposing voltage creates a damping effect on the current, causing the inductor to restrict its current flow.

In the IMS05BH391K, an increased temperature reduces the self-resonant frequency and the amount of power that can be dissipated. This is due to the fact that when the temperature rises, the inductance of the component reduces. As a result, the system becomes less efficient and may not be able to provide the desired current. To counter this, IMS05BH391K has been designed to work efficiently under very high temperatures, up to 105 degrees Celsius.

Advantages

The IMS05BH391K is designed to be more durable and efficient than other inductors, as it is able to withstand high temperatures. It has a wide temperature range of -55 to 105 degrees Celsius and is rated for high current handling capability at 100mA. Additionally, it offers low loss and low stray inductance even at high frequencies, making it a suitable component for application across many frequencies.

Conclusion

The IMS05BH391K is a fixed inductor with a compression bobbin construction, rated at 100mA, 460mH, 10% tolerance, and a self-resonant frequency of 1.4MHz. It is designed to be used in power supplies, DC to DC converters, and voltage regulators and is able to work under very high temperatures of up to 105 degrees Celsius. Its advantages are its high current handling capability, low loss, and low stray inductance even at high frequencies, making it a suitable component for many applications.

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