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

• 为无感结构，用金属化聚酯膜作电介质/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。