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）。
Partnering with JLCPCB for strong PCB alternatives that meet up with the demanding environmental specs of vital infrastructure tasks.
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；
JLCPCB satisfies the stringent excellent necessities of Siemens' industrial automation products through disciplined production and system control.
JLCPCB delivers one particular-end Digital and mechanical manufacturing answers to empower components innovators all over the world.
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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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．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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