本文用一种简单计算证明了关于电流放大系数对温度的依赖关系,可以明显地受发射区和基区中的可动载流子的不同冻析速率和在这两个区域中的迁移率对温度的依赖关系的影响。由于在发射区和基区之间的有效禁带宽度不同,这些效应可能会大大降低电流放大系数向着低温方向的减小。 In this paper, a simple calculation is used to prove that the temperature dependence of the current amplification factor can be significantly affected by the different rates of freeze-thaw of the movable carriers in the emitter and base regions and the mobility pairs in these two regions The effect of temperature dependence. Due to the different effective bandgap between the emitter region and the base region, these effects may greatly reduce the current amplification factor toward a lower temperature.