特 点: 使用环氧树脂进行绝缘处理，可直接安装在基板上，构造简单。
Features: Insulation is carried out using epoxy resin, which can be directly installed on the substrate, and the structure is simple.
用 途: 火灾报警器，检测基板周围温度等。
Purpose: Fire alarm device, for detecting the temperature around the substrate, etc.
使用温度范围: -40～120℃
Operating temperature range: -40 to 120 degrees Celsius
