| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a reactor in which a determination of cracks of a cast resin and an inspection of a site covered with a cast resin can be performed visually.SOLUTION: A reactor 1 includes: a coil 10; a case 30 in which the coil 10 is received; and a cast resin 40 filled at the inside of the case 30. The coil 10 is integrally fixed to a bottom face 31 of the case 30. The cast resin 40 has a transmittance of light with a wavelength of 550 nm of 85% or more, when the thickness of the cast resin is 1 mm.</p> |
