PD0120.102NLT

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Fixed inductors are a type of inductor that are designed to have a fixed inductance. They are generally designed to provide a high value of inductance and typically have low self-resistance.Most fixed inductors are made from powdered iron cores, and they are used in many power supply, amplifier, radio and communication circuits.

The PD0120.102NLT is a high-value, low-resistance fixed inductor from manufacturer TDK. It is well suited for use in power line filters, DC to DC converters, snubber networks and numerous other applications. The main features of this component are its high-saturation current rating of 891mA, low-resistance of 14mohm and tight tolerance of ±3%.

The first step in understanding the working principle of this type of fixed inductor is to consider the structure and materials of the device. This inductor is composed of a powdered iron core wound with many layers of insulated copper wire. The reason for the insulated copper wire is to prevent an electrical short between the individual layers of wire, which would reduce the inductance of the device. The powdered iron core further helps to increase the inductance of the device.

When an alternating current is applied to the device, it acts as a transformer by generating a magnetic field around the powdered iron core. This results in an inrush current, which is significantly higher than the applied current. This high inrush current is necessary to create the magnetic field around the powdered iron core, and is what enables the device to reach its full inductance. As the current passes through the device, it creates an electromagnetic field that will ultimately induce a voltage on the other side of the device.

At higher frequencies, increased core losses occurs due to eddy currents which flow in the core material and consequently produce heat. These losses reduce the efficiency of the device, and therefore should be considered when selecting a fixed inductor for a specific application. To maximize the efficiency of the device, low-loss components such as ferrite materials should be used.

The PD0120.102NLT is a great option for applications that require a high-value, low-resistance fixed inductor. It is suited for power line filters, DC to DC converters, snubber networks and numerous other applications, due to its low-resistance, tight tolerance and high-saturation current rating. Furthermore, its powdered iron core enables the device to reach its full inductance and helps to reduce core losses.

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