CBB81 are non-inductively wound with polypropylene film as the dielectric and aluminum foil as the electrode with copper-clad steel leads and epoxy resin coated.

• CBB81为无感结构，用聚丙烯膜作为电介质和铝箔为电极卷绕而成，导线采用镀锡铜包钢线，使用环氧树脂包封。