5 Essential Elements For 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。

依據UL1310下列條文要求,輸出接頭(output connector)不可使用同軸電纜的連接器(coaxial cable connector)。

Put orders in minutes and keep track of buy position in serious-time. Visual development monitoring displays each step, from overview to production to delivery.

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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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 all the process—from ordering and parts sourcing to PCBA prototyping—you'll be able to acquire your concluded boards in as speedy as one 7 days. Allowing you to definitely iterate, boost, and produce by the due PCB絕緣 date or perhaps.

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.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。

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