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 ...

what is a diode? What are the features?

On 2018-10-26 15:47:07 in Generally electronic semiconductor

what is a diode? What are the features?

The second plate has a unidirectional conductivity, allowing only the current to flow from the positive to the negative ...

Diode rectifier filter circuit,Diode half wave rectifier circuit

On 2018-09-12 13:00:54 in Memory

Diode rectifier filter circuit,Diode half wave rectifier circuit

Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...