FBM21 P0700TW，F(xiàn)BM21 P0700TW
FBM21 P0700TWFBM21 P0700TW 240V交流輸入擴展 16 數(shù)入FBM21 P0700TW 240V交流輸入擴展 16 數(shù)入FBM21 P0700TW 240V交流輸入擴展 16 數(shù)入
FBM21 P0700TW
，因此國外各大開關電源制造商都致力于同步開發(fā)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(chuàng)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(tǒng)的PWM開關技術進行創(chuàng)新，實現(xiàn)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(chǎn)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(chǎn)品的可靠性大大提高。
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6690a will consider
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81110a-81112a-?81112a
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