| 摘要 |
PURPOSE: A transformer is provided to prevent a thin flange unit from being bent or deformed by forming an insulation rib on the outer side of a flange unit formed at each bobbin. CONSTITUTION: A bobbin unit(10) is comprised of an outer bobbin(30) and at least one inner bobbin(20). An insulation rib is formed on the outer side of a flange unit of the bobbin unit to reinforce the intensity of the flange unit. The bobbin unit is comprised of a plurality of bobbins including a tubular body unit and the flange unit. A core(40) is inserted into a penetration hole of the bobbin and forms a magnetic path. A coil unit(50) includes coils wound around the plurality of bobbins.
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