【应用】寺岗导热双面胶带7090用于军品电源，导热系数0.7W/m.k，有效避免热量堆积

时间： 2022-06-08 来源：世强

技术问答

如下是一款军品电源实物图，其在生产加工过程中需要选用合适的双面胶带在变压器与PCB之间形成良好的粘接固定，同时还有具有一定的导热、绝缘及耐温特性，以满足复杂环境下的实际应用需求。

对于军品电源所需求的导热双面胶带，一般有如下几点技术要求：

1、导热系数≥0.5W/m.k；

2、厚度0.1mm~0.3mm；

3、满足5000V耐压；

4、耐温至少要满足-60℃~125℃，优选-60℃~180℃；

针对军品电源在实际应用过程中所面临的问题，可推荐使用TERAOKA（寺岗）旗下的7090这款导热双面胶带，其具有如下一些应用优势：

1、良好的导热性能。其导热系数典型值为0.7W/m.k，厚度只有0.125mm，热阻较低，有利于将变压器部位产生的热量快速疏导出去，避免热量堆积。

2、其产品结构为中间一层PI膜，双面涂覆填充了导热颗粒的丙烯酸胶黏剂，再用双面离型膜进行覆盖、起保护作用。在长期使用过程中无硅氧烷挥发问题，易于模切，操作简单方便。

3、其具有优异的绝缘耐压特性，击穿电压可达6.8KV，漏电流小、绝缘防护效果好。

4、粘接性能好。剥离强度1800gf，剪切强度为490.3N/400mm²，可起到优异的粘接固定作用。

结构：

综上所述，寺岗7090导热双面胶带非常适合应用于军品电源变压器部位，广大用户如有类似需求，欢迎联系世强平台。

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