The SourceMeter instrument first performs the necessary DC tests, such as forward voltage, reverse breakdown voltage, and leakage current.
源表首先进行必要的直流测试，例如正向偏压、反向击穿电压和漏流。
Measure the reverse breakdown voltage by sourcing a specified re verse current bias, then measuring the voltage drop across the diode.
通过施加规定的反向偏流，然后测量二极管两端的电压，即可测得反向偏置电流。
When the diode is reverse biased, only a negligibly small leakage current flows through the device until the reverse breakdown voltage is reached.
当二极管反向偏置时，仅有很小的、可忽略的漏电流流过，除非是达到反向击穿电压。
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