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Contact SupplierAn iron-core transformer having a primary winding that is connected to an alternating-current power line and one or more secondary winding’s that provide different alternating voltage values.
This is the most common type of transformer, widely used in electric power transmission and appliances to convert mains voltage to low voltage to power electronic devices. They are available in power ratings ranging from mW to MW. The insulated laminations minimizes eddy current losses in the iron core.
Small appliance and electronic transformers may use a split bobbin, giving a high level of insulation between the windings. The rectangular cores are made up of stampings, often in E-I shape pairs, but other shapes are sometimes used. Shields betweeen primary and secondary may be fitted to reduce EMI (electromagnetic interference), or a screen winding is occasionally used.