The best Side of PCB絕緣

瞬態過電壓是指在極短時間內發生的高電壓脈衝,可能持續幾微秒到幾毫秒。這些過電壓不屬於設備正常運作的工作電壓範圍,但必須被考慮進安全設計,因為它們足以擊穿絕緣或設備損壞。

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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

因此,選擇適當的爬電距離對於減少電氣故障風險至關重要。所需距離取決於電壓水平、絕緣材料類型以及運行環境條件。通過確保組件符合爬電標準,設計人員可顯著提升電氣系統的安全性與可靠性,尤其在高壓應用中。

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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若設計人員未能清楚區分這兩項距離,可能導致誤判風險來源,進而影響產品安全性與安規通過率。

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。

爬電距離的選擇以日常運行時的額定工作電壓為依據,工作電壓越高,對絕緣的需求越大,所需爬電距離也越長。

By streamlining the complete system—from ordering and pieces sourcing to PCBA prototyping—you are able to get your completed boards in as rapid as 1 week. Allowing for you to iterate, make improvements to, and provide punctually as well as.

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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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