How to detect fast recovery, ultrafast recovery diode?

On 2018-10-26 16:05:55 in Memory

How to detect fast recovery, ultrafast recovery diode?

The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode. ...

What is a Schottky diode? How to detect?

On 2018-10-26 15:54:21 in Relays

What is a Schottky diode? How to detect?

Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...

How to test and repair the rectifier bridge?

On 2018-10-26 15:52:31 in IC Chips

How to test and repair the rectifier bridge?

Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...

​If there is no same type of pipe in use, how to replace it?

On 2018-10-26 15:50:14 in Relays

​If there is no same type of pipe in use, how to replace it?

Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...

How to identify and detect common diodes?

On 2018-10-26 15:48:50 in IC Chips

How to identify and detect common diodes?

Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...