The Ultimate Guide To PCB絕緣

Our process mechanically matches and selects elements dependant on your BOM. You merely ought to evaluation and confirm the selections.

Our interactive 3D viewer displays your board and component placements, helping you spot any mistakes in advance of purchasing.

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不會。海拔高度只會影響空氣的介電強度,因此只會調整「間隙距離」;爬電距離設計不受高度影響。

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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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梳狀圖案,梳狀電路是一種“多指”交錯密集電路圖案,可用於電路板清潔度和綠色油漆絕緣的高壓測試。

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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工作電壓會直接影響你需要設計的「間隙距離」和「爬電距離」大小。電壓越高,潛在的絕緣需求和空氣/表面擊穿風險越高,安全距離需求就越大。

.介質不同:間隙距離依賴空氣的絕緣能力,而爬電距離取決於固體絕緣材料表面的性能。

想知道版本之間的差異也歡迎直接與鼎安業務洽詢,或持續關注將來鼎安安規月刊會有詳細的報導。

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