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TVS二极管和齐纳二极管之间的差异（1）
下载“第Ⅱ章：二极管” (PDF:895KB)
如图2-6（a）所示，TVS二极管（ESD保护二极管）在短时间内吸收很高的过电压，其作用是避免对其它半导体器件施加过大的电压。另一方面，如图2-6（b）所示，齐纳二极管将输入电压钳制为恒定电压，并将钳制的电压提供给其它半导体器件。
因此两者的差异在于，TVS二极管吸收浪涌电压以保护其它半导体器件，而齐纳二极管为其它半导体器件提供恒定电压。
图2-6（a）TVS二极管的用途
图2-6（b）齐纳二极管的用途
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