CL20 are non-inductively wound with metallized polyester film as dielectric/electrode and copper-clad steel leads and outer wrapping of polyester end sealed with epoxy resin.

• CL20为无感结构，用金属化聚醋膜作电介质／电极绕制而成，导线采用镀锡铜包钢线，外层用聚醋胶带包裹．两端用环氧树脂密封。