LAL03KHR39M

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Fixed Inductors have a variety of technological applications in the modern world, ranging from electromagnetic compatibility (EMC) in interconnected systems to high-frequency applications in the automotive industry. The use of inductors, which are coils made of a conductor such as copper wire, can considerably improve the performance in such applications. One specific type of fixed inductor is the LAL03KHR39M that offers many features including low DCR, high current and high temperature tolerance. This article explains the application field and working principle of the LAL03KHR39M.

The LAL03KHR39M is primarily used in the automotive industry for applications in the high-frequency range. It is a robust rolled etched toroidal inductor with a low DCR. This means it can be used in power supplies up to 65A, providing precise current control. The inductor can handle up to 100MHz of operating frequency. This is particularly useful for applications where the supply voltage is stabilised and controlled to very specific levels, since the efficiency of the system is significantly increased with higher frequencies.

The LAL03KHR39M is also suitable for EMC applications. It is very effective at filtering and suppressing EMC radiation, and therefore helps reduce interference in interconnected systems. Furthermore, it has a very high temperature tolerance and is often used to protect components from electrostatic discharge. In addition, the LAL03KHR39M has a very low noise figure and is therefore ideal for applications which require extremely low noise levels.

The working principle of the LAL03KHR39M is based on the principle of electromagnetic induction. When an alternating current flows through the coil of the inductor, an electromotive force (EMF) is generated in the windings. This EMF is proportional to the rate of change of the current, and is in the opposite direction to the current. The inductor acts like an energy storage device and hence is able to absorb some of the energy from the current and return it to the circuit. This causes the current to slow down, thus decreasing the EMF, and consequently the inductor stores energy.

In conclusion, the LAL03KHR39M is a fixed inductor that is primarily used in automotive industry applications and EMC applications. It has many features such as low DCR, high current and temperature tolerance, and is very effective at filtering and suppressing EMC radiation. The working principle of the LAL03KHR39M is based on the principle of electromagnetic induction, whereby an induced EMF is generated in the windings and the inductor stores energy.

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