ER1025-54KR Inductors, Coils, Chokes

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Fixed inductors are electro-magnetic components made to produce a certain inductance and reactance with only small changes when operating in their application field. A popular example of a fixed inductor is the ER1025-54KR. It is a medium power, radial-leaded type, axially-oriented fixed inductor with nominal inductance ranging from 10 μH to 1000 μH. The ER1025-54KR is typically used in power electronic systems in its application field for waveshaping, signal processing and power efficiency. It is ideal for high-frequency and high-current applications, such as DC/DC converters, DC/AC inverters and motor drives.

The ER1025-54KR\'s working principle is based on the property of an inductor, which can be generally described as a device that has a primary winding, a secondary winding, and an electromagnet coil. When voltage is applied to the primary winding, an electromagnetic field is generated, and a current is induced in the secondary winding. The magnitude of the current in the secondary depends on the number of turns in the primary winding and the magnitude of the applied voltage.

The ER1025-54KR is also able to store energy in its magnetic field when current flows through the coil, allowing it to act as a transformer. As current changes, the shape of the magnetic field changes as well, resulting in a changing voltage across the coil. The inductance of the ER1025-54KR is usually enough to generate a significant back voltage, usually referred to as "back-EMF". This voltage is proportional to the rate of change in the current flow and can help limit the peak current of the winding.

ER1025-54KR is designed to take full advantage of its inductive properties. It has an extended temperature range of -55°C to +105°C, allowing it to operate reliably in a wide range of environmental conditions. It is also designed with a high-saturation flux core, which allows it to handle higher current levels and reduce distortion that could affect the system\'s performance.

The ER1025-54KR is not only used in power supplies and motor drives, but also has applications in telecommunications, medical equipment, and automotive electronics. It is highly reliable due to its low profile, resistance to vibration and temperature variances, and its ability to withstand high-frequency oscillations. The ER1025-54KR is an excellent choice for a medium-power fixed inductor for applications where size, temperature, and accuracy are critical factors.

In conclusion, the ER1025-54KR is a medium-power, radial-leaded type, axially-oriented fixed inductor with a wide temperature range and high saturation flux. It is designed to take full advantage of its inductive properties, making it ideal for high-frequency and high-current applications. Its working principle is based on the property of an inductor, with the primary winding generating an electromagnetic field, and the back-EMF generated by the inductance helping to limit the peak current of the winding. It is a highly reliable fixed inductor for applications where size, temperature, and accuracy are critical factors.

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