FBM21 P0700TW，FBM21 P0700TW
FBM21 P0700TWFBM21 P0700TW 240V交流輸入擴展 16 數入FBM21 P0700TW 240V交流輸入擴展 16 數入FBM21 P0700TW 240V交流輸入擴展 16 數入
FBM21 P0700TW
，因此國外各大開關電源制造商都致力于同步開發新型高智能化的元器件，特別是改善二次整流器件的損耗，并在功率鐵氧體材料上加大科技創新，以提高在高頻率和較大磁通密度（Bs)下獲得高的磁性能，而電容器的小型化也是一項關鍵技術。SMT技術的應用使得開關電源取得了長足的進展，在電路板兩面布置元器件，以確保開關電源的輕、小、薄。開關電源的高頻化就必然對傳統的PWM開關技術進行創新，實現ZVS、ZCS的軟開關技術已成為開關電源的主流技術，并大幅提高了開關電源的工作效率。對于高可靠性指標，美國的開關電源生產商通過降低運行電流，降低結溫等措施以減少器件的應力，使得產品的可靠性大大提高。
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