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Our interactive 3D viewer demonstrates your board and element placements, helping you spot any errors right before purchasing.
Partnering with JLCPCB for strong PCB alternatives that fulfill the demanding environmental technical specs of essential infrastructure initiatives.
塑料等柔性基板非常適合滿足柔性電路板的絕緣要求。 另一方面，金屬是優良的熱導體，同時保持功率電子的冷卻。
板裝-插孔式包裝 板裝-表面貼裝式包裝 基座型包裝 導軌型包裝 應用產業
衰减原因：高温高湿下，水汽渗透到表面处理层，溶解残留离子（如助焊剂、金属离子）形成 “电解液”，离子在偏压作用下迁移，让绝缘电阻降低 —— 就像橡胶吸水后变潮湿，导电能力变强；
不行。兩者是獨立的安全設計參數，爬電距離用於防止表面漏電，間隙距離則防止空氣放電。缺一不可，需分別依標準查表計算。
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設備運行環境中的污染狀況會顯著影響絕緣性能。污染等級越高，越容易在絕緣表面形成導電通路，增加漏電或電弧風險，因此需設定更長的爬電距離。
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不同的絕緣措施(如基本絕緣、雙重絕緣或強化絕緣)對爬電距離的要求有所不同，越高等級的絕緣保護，所需距離越長。
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