Are non-inductively wound with metallized polyester film as dielectric/electrode with copper-clad steel leads and encapsulated in a plastec case sealed with epoxy resin.

• 为无感结构，用金属化聚酯薄膜作为电介质/电极绕制而成，导线采用镀锡铜包铜线，使用环氧树脂密封在塑料壳内。