| 摘要 |
A transformer including an insulting housing, a first bobbin, a primary coil, a second bobbin, a secondary coil, a first core and a second core is provided. The insulting housing has a first chamber and a second chamber separated from the first chamber, wherein two apertures of the first chamber and the second chamber are respectively disposed on two opposite side-walls of the insulting housing. The first bobbin has a first through hole disposed in the first chamber. The primary coil is surrounded on the first bobbin. The second bobbin has a second through hole disposed in the second chamber. The secondary coil is surrounded on the second bobbin. The first core is inserted to the first through hole and the second through hole. The first core and the second core are coupled together to form a magnetic loop.
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