【应用】THERM-A-GAP™ MCS30系列导热垫片用于通信领域40W功放模块,具有高导热系数等优势
目前通信产品中的功放模块由于输出功率较高,会产生的较大的热量,若热量不能及时有效的传导出去,很可能会导致功率放大器的电路或者器件损坏。现在常用的散热方式是铝制外壳(整个壳体结构)进行散热的,但在功放模块和散热器之间存在很多凹凸不平的空隙,需要用热界面材料来填充,以降低接触热阻。
图1 40W功放模块
PARKER CHOMERICS推出的THERM-A-GAP™ MCS30导热垫片可以很好满足40W功放模块安装时的散热需求。
MCS30导热垫片导热系数3.0W/mK的,在0.4MPa压力下,压缩率可达50%,用于填补接触时产生的微空隙,减少接触热阻,有效的提高器件散热性能,其工作温度为-50~200℃,基本可以满足所有领域应用。具体参数如下。
图2 MCS30性能参数表
应用优势如下:
较高导热系数,能够满足大多数应用;
高压缩比,保证能够填充更大微界面,同时保证导热垫片的结构特性;
相比于传统的导热硅脂应用,具有不变干、不挥发的特性,使用方便,即撕即用;
多种厚度可选,支持模切定制。
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