ER1025-74KR

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Fixed inductors are electrical components that store energy by creating and sustaining a magnetic field when current flows through them. Examples of fixed inductors include those found in switching power supplies, radio frequency circuits, and PC boards. The ER1025-74KR is one example of a fixed inductor. This article explores the features, fields of application, and working principle of the ER1025-74KR.

The ER1025-74KR has a 25uH inductance, RoHS Compliant, low DCR at 0.014 Ω, and is rated up to 1.5amp. It uses a lead-free ternary alloyed silver/nickel base material that helps reduce the thermal EMF. It also has an insulation sleeve that has a solid insulation structure, and is RoHS Compliant. The inductor has a standard taping packing rate and it is small in size, making it easy to install and use. Additionally, it has an operating temperature between -55 to +125C, and a storage temperature of -40 to +125C. Lastly, it has a mounting force of 150 to 250g.

The ER1025-74KR can be employed in many applications, including linear power supplies, DC to DC converters, and inverters. Additionally, it can be used in digital circuits, as in mobile phones, laptop computers, and digital cameras. The ER1025-74KR is ideal for consumer electronics because of its low power loss and low frequency oscillation. The ESR1025-74KR is also highly popular with hobbyists, a testament to how versatile this inductor is.

The fixed inductor works on the principle of Faraday’s law of induction. When a current passes through the inductor, a magnetic field is created, which opposes the change in the current. The opposition to the current change is called inductance or self-induction. The magnetic field created produces an opposing voltage across the inductor, as described by Lenz’s law. The energy storage is proportional to the inductance of the winding (the number of turns on a coil) multiplied by the square of the current.

The ER1025-74KR is specifically designed to reduce power losses in critical voltage-controlled devices. It has a very low ESR, which helps reduce power loss during voltage regulation. Furthermore, its low ESR and low parasitic capacitance reduces ringing in high-frequency switching applications. Its insulation sleeve also helps reduce any possible noise and interference from nearby components.

The ER1025-74KR from Fixed Inductors is a highly versatile and efficient component ideal for a range of applications, from linear power supplies to mobile phones and other consumer electronics. Its 25µH inductance, low DCR, and small size make the ER1025-74KR an attractive option for any hobbyist or professional. Moreover, the ER1025-74KR is RoHS Compliant, which makes it a safe, reliable choice for a range of applications.

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