How to Detect the Quality of Fast Recovery Diode
How to measure the quality of fast recovery diode? When the fast recovery diode circuit failure, to measure the quality of fast recovery diode, this time how to do? In the amateur condition, the multimeter can be used to detect the one-way conductivity of fast recovery diode, ultra-fast recovery diode, and the internal open-circuit, short-circuit fault, and can measure the forward conduction voltage drop. If equipped with Megohm meter, can also measure the reverse breakdown voltage. Below let Ling Xun electronic take you to know how to detect the fast recovery diode.
In fact, the fast recovery diode and plastic packaging silicon diode detection method is the same, that is, the first RX1K block to test its one-way conductivity, the general forward resistance of several thousand euros, the reverse resistance is infinite; Again with RX1 block retest, general forward resistance for a few euros, reverse resistance is still infinite. If the measured resistance values are ∞ or 0, then the measured tube is damaged. The detection method of fast recovery diode is basically the same as the above method, but it must first determine which pin is the common end, and then use the above method to detect each fast recovery diode.
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