Thermally conductive bobbin for magnetic power unit

A thermally conductive bobbin for a magnetic power unit, made from an injectable and polymerizable thermoplastic composition, the composition comprising: a plastic polymer in an amount of between 5 wt% and 15 wt% relative to the total weight of the composition; a dispersion of aluminum nanoparticles in the mineral oil in an amount of between 25% and 55% by weight relative to the total weight of the composition; between 20 wt% and 45 wt%, relative to the total weight of the composition, of silicon carbide microparticles; and up to 10% by weight of an additive relative to the total weight of the composition, and wherein the thermally conductive bobbin has a dielectric strength higher than 5 kV/mm. 用于磁性电力单元的导热性绕线筒，其由可注射及可聚合的热塑性组合物制成，该组合物包括：含量为相对于组合物总重量的5重量％至15重量％之间的塑性聚合物；矿物油中的铝纳米颗粒分散体，含量为相对于组合物总重量的25重量％至55重量％之间；相对于组合物总重量的20重量％至45重量％之间的碳化硅微颗粒；以及相对于组合物总重量的至多10重量％的添加剂，并且其中导热性绕线筒具有高于5kV/mm的介电强度。