PA4304.184NLT Inductors, Coils, Chokes

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Fixed inductors refer to devices which generally have coils made of metal, stored by a core and can perform certain activities as required. One such example is the PA4304.184NLT, a fixed inductor developed by Panasonic Electronic Components. This inductor is specifically designed for high frequency applications associated with switching power supplies or DC/DC converters.

The PA4304.184NLT is a molded vertical type inductor that is fabricated using an iron-iron nitride (FeNi) core with an outer shield. It has an inductance range of 0.4-4.4uH and rated operating temperature up to 125°C. This inductor also has a storage (20kHz-100MHz, 2V to 3V) of 0.2nH and a dissipation factor of 0.0015. In addition, the PA4304.184NLT has a leakage inductance of 0.051uH and an IR of 40kohm-Q at 25°C.

This device has a few advantages. Firstly, it provides a high dB value which increases the power efficiency of the circuit. Secondly, it has a large self-resonance frequency which reduces ESR loss due to high switching frequency during operation. Lastly, it has an inner shield that protects it from external noise.

In terms of its applications, the PA4304.184NLT is suitable for use in high-frequency applications, such as small-scale switching power supplies and Super Audio Amplifiers or switch-mode power supplies. Applications that require an inductor with a high Q factor to reduce ESR losses and/or avoid the effects of the parasitic self-capacitance can be integrated with this device and be sure of its ability to meet the performance requirements.

The working principle of the PA4304.184NLT is simple. It is essentially a self-transforming inductor which converts electrical energy into magnetic energy. When a current passes through the coil, it induces an alternating magnetic field around it. This magnetic field is then coupled to the secondary coil which allows current to be transferred from primary to secondary. This action is then repeated until the output voltage is generated.

The PA4304.184NLT is a great device for most switching power supplies and DC/DC conversion applications. It has many features which make it a suitable choice; its high dB value, large resonant frequency, inner shield, and low dissipation factor make it highly suitable for high-frequency applications.

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