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Moonchong asked in 科學其他:科學 · 10 years ago

Thermal pad

請問產品要更換thermal pad, 有什麼指標性的規格要注意的嗎?

例如thermal conductivity、thermal resistance等等.

謝謝

1 Answer

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  • 迴圈
    Lv 6
    10 years ago
    Favorite Answer

    thermal conductivity 須大於或等於原先之thermal pad.

    thermal resistance 須小於或等於原先之thermal pad.

    Dielectric Constant ,如果頻率很高或絕緣電容有影響時要考慮.

    Tensile Strength 及硬度須配合鎖緊力及兩平面之平滑度.

    這是避免刺穿thermal pad 或破裂.

    最高工作溫度及安規.

    請注意一個細節,thermal pad 的thermal resistance 與固定之壓力有關,

    要比較曲線圖.

    Source(s): 自己
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