![]() The design of the PQ core optimizes the ratio between core volume, surface area and winding area. Generally used in power supplies that require a small volume. The volume of the RM core can be made smaller with the power supply, and the shielding effect is better than EE cores. The RM core has good heat dissipation and small volume. But the disadvantage is that EE core can't provide self-shielding, therefore it is generally used in small and medium wattage power supplies. EE core has good heat dissipation and low cost, so it is the most widely used. It's easy to manufacture and assemble EE type cores. How do these magnetic cores affect the transformer working? What are the advantages and disadvantages of each type core? ![]() ![]() The commonly used magnetic cores of transformers are EE type cores, RM type cores, PQ type cores and EP type magnetic cores. The transformer is essential component of the switching power supply. ![]()
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