P3519R-121J

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Fixed inductors are electronic components used in circuits and other electronic systems. The most common application for a fixed inductor is in power supplies, but they can also be used in filters, amplifiers, and other circuits. The P3519R-121J is a fixed inductor known for its capability of handling peak currents and pulses, as well as its resistance to temperature. This device is designed specifically for power supplies, providing reliable protection against power supply humming and other sources of noise.

The P3519R-121J fixed inductor consists of two inductors with two distinct windings, giving it the ability to handle higher levels of a high-frequency current. It is constructed with a single coil and is wound on a ferrite core. The winding forms a closed loop, allowing it to pass any current in either direction. This feature makes the device ideal for limiting inrush currents that can be damaging to sensitive loads.

The P3519R-121J fixed inductor\'s working principle involves a magnetic field being created by the current flowing through the coils. This magnetic field creates a force called the "Lenz\'s Law", which opposes the current. As the field\'s strength increases, it will require more and more current to push against the opposing field. This is why inductance is required for circuits that require higher levels of current.

In terms of performance, the P3519R-121J fixed inductor offers excellent thermal stability with a temperature coefficient of 0.02%. It also has a maximum inductance value of 22.7 microHenrys. Its peak pulse current rating is 4 amps and it can operate from -55°C to +125°C, making it suitable for a wide range of applications.

The P3519R-121J fixed inductor is primarily used in circuits that require high-current levels, such as power supplies, filters, amplifiers, and other electronic systems. It is ideal for providing reliable current limiting and protection from noise in power supplies. Its excellent thermal stability and wide temperature range make it an ideal choice for high-temperature applications, as well.

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