IHSM4825RE181L

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Fixed inductors refer to passive components with a particular inductance value that remain constant regardless of the applied voltage or current. The IHSM4825RE181L is an example of a fixed inductor. It is made of a thin steel core encapsulated by a chip made of ceramic, hence its name of "chip inductor".

The IHSM4825RE581L is mainly used in audio output circuits, power line output filters, and automotive electronics. Its rated inductance is 18 μH at 100 KHz, an impedance of 0.020 Ω, and a saturation current of 2.2A. It offers an inductance tolerance of ±10%.

The working principle of the IHSM4825RE181L is based on Faraday\'s Law of Induction. When a current passes through the thin steel core of the inductor, a magnetic field is generated. This magnetic field induces a voltage in the chip that is used to provide filtering of electromagnetic interference (EMI) or power line noise. As the current through the inductor increases, the induced voltage increases, effectively limiting the amount of current that can pass through the inductor. The limitation is due to the fact that the inductor\'s internal resistance increases as current passes through the core.

The IHSM4825RE181L also has excellent temperature stability, meaning that the inductance of the device does not change significantly in response to changes in environmental temperature. This is important, owing to the fact that most electronic components have a limited working temperature range. The high temperature stability of the IHSM4825RE181L adds value to its use in automotive electronics, where components need to work reliably under different operating conditions.

In conclusion, the IHSM4825RE181L offers excellent value and reliability in various applications, particularly for filtering out power line interference and EMI. Furthermore, its excellent temperature stability ensures reliable operation in a wide range of temperatures.

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