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Heating effect on ferrite core inductor2/13/2023 ![]() ![]() The low coercivity of the material means that its magnetization may readily reverse direction without squandering much energy (hysteresis losses), while the high resistivity of the material avoids eddy currents in the core, which is another cause of energy loss. NiZn ferrites have higher resistivity than MnZn ferrites and are hence better suited for frequencies above 1 MHz. NiZn (NiaZn(1-a)Fe2O4) is a nickel-zinc ferrite (NiZn). MnZn has higher permeability and saturation induction than NiZn. ![]() Manganese-zinc ferrite (MnZn, also known as MnaZn(1-a)Fe2O4). ![]() The following are the most common soft ferrites: Soft ferrite magnets may readily and swiftly change magnetic orientation. Microwaves, radio antennae, and inductors are some of the other applications for soft ferrite magnets. Soft ferrite magnets are commonly used in power transformers. Soft ferrite magnets are widely used in electrical applications due to their low coercivity. Soft magnets have a low coercivity, which means they provide little protection against demagnetization. ![]() When subjected to an external magnetic force, some magnetic materials are more sensitive to demagnetization than others. What exactly does this mean? The capacity of a magnetic substance to tolerate external magnetic forces without becoming demagnetized is measured by coercivity. Low coercivity magnets are classified as soft ferrite magnets. ![]()
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