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词汇
光電晶體
释义
光電晶體
guāng diàn jīng tǐ
一种接面型电晶体,其与平常所用的电晶体类似,利用光线照射半导体基极的 P-N接合面,以感应电流,使集极电流的强度随光线的强弱而变化,进而控制电路的动作。具有体积小、感度佳、低电压驱动等特点。
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更新时间:2025/10/24 4:00:40