ER1025-05JM

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Fixed Inductors

A fixed inductor, also called a non-adjustable inductor, is an electronic component that stores energy in the form of an electromagnetic field. They can be found in almost any type of electronic device, from computers and cell phones to large industrial machines. Fixed inductors are often used for radio frequency power supplies, stage-lighting systems, and for powering motors. The effectiveness of this component depends on its size, shape and material used, meaning that there are many different types and uses for fixed inductors.

ER1025-05JM is one type of fixed inductor. It is a vertical mount power inductor, SLP series, with a 10.2x7.6mm size and a copper core. This inductor can handle up to 1.5A of current, and supports a 4.5mH inductance. It operates in a temperature range of -40 °C to +130 °C, and supports a voltage of 100Vac/dc.

ER1025-05JM’s application field is wide, including automotive and power supplies. In automotive applications, it commonly in electric power steering systems, current sensing systems, and transmission systems. It is also frequently used in battery chargers, buck converters, LLC resonant converters, and SMPS circuits. In power supplies, it is used in power factor correctors, and as output wirewound for single-phase and three-phase EMI filter inductors.

ER1025-05JM’s working principle is known as the inductive effect. When current flows through a conductor, a magnetic field is created around it. This magnetic field can be harnessed and used to transfer energy from one part of the system to another. This is done by windings ferromagnetic core around it to channel the energy, much like winding a spiderweb.

When the current changes, a back EMF voltage is induced in the inductor’s windings. This generated voltage is opposite in polarity to the applied voltage, opposing current changes and creating a dampening effect. This is because an inductor resists changes to the current flowing through it, and the resulting factor is known as inductance. Inductance is measured in henries (H) and is a direct measure of the amount of EMF voltage generated when the current changes.

ER1025-05JM inductor combines the magnetic field and the metal coil/ferromagnetic core, so that the mH value of inductance can well be controlled. It also helps to control the current flowing through the circuit and ensures the electrical components avoid failure and get a more stable and reliable power supply.

Overall, ER1025-05JM is a kind of fixed inductor with wide application field and good performance. It is used for a variety of applications, from automotive and power supplies to electrical systems and magnetic field control. Its working principle is based on the inductive effect, where a back EMF voltage is induced in the inductor\'s windings. This ensures the electrical components get a reliable power supply, and helps avoid failure of the system.

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