CBB20型电容器为无感结构，用金属化聚丙烯膜作为电介质/电极绕制而成，导线采用镀锡铜包钢线，外层用聚酯胶带包裹，两端用环氧树酯密封，高频损耗小，适用于大电流。绝缘电阻高，自愈性好，寿命长。广泛用于高频，直流，交流和脉动电路中。CBB20capacitorisnon-inductivelywoundwithmetallizedpolyproylenefilmasthedielectric/electrodeandcopper-cladsteelleadsandouterwrappingofpolyestersealedwithepoxyresin,verylowlossathighfrequency,suitableforhighcurrent,Highinsulationresistance,longlifeduetoself-healingeffect.widelyusedinhighfrequency,DC.Acandpulsecircuits.)