ANTI-INTERFERENCE TRANSFORMER

An anti-interference transformer comprises a windings base, an I-shaped core, an E-shaped core and wires, wherein the windings base has a plurality of separating ribs disposed externally thereto so as to form a primary side-region and a secondary side-region and enables different wires to be wound between the separating ribs, and the windings base is structured with a hollow inside for receiving the I-shaped core and fits the E-shaped core on the outside thereof, so that a magnetic path is formed between the primary side-region and the secondary side-region and thus provides a leakage magnetic flux being free from leaking and controllable. The transformer of the present invention is designed with cores for forming additionally a magnetic path so as to achieve the purpose for anti-interference and to increase the stability of the related products in use.