Rectifier diode is a semiconductor device that converts AC power into DC power. Usually it contains a PN junction with two terminals, a positive electrode and a negative electrode. The most important characteristic of a diode is its unidirectional conductivity. In a circuit, current can only flow in from the anode of the diode and flow out of the cathode.

Cause of damage:
(1) Inadequate lightning protection and overvoltage protection measures 
(2) Poor operating conditions 
(3) Poor operation management
(4) The quality of equipment installation or manufacturing is not good enough 
(5) The specifications and models of the rectifier tube do not match 
(6) The safety margin of the rectifier tube is too small 

Inspection Method:
First remove all the rectifier diodes in the rectifier, use the 100×R or 1000×R ohm range of a multimeter to measure the two lead wires of the rectifier diode (the head and the tail are adjusted once each). If the resistance value measured twice is very different, for example, the resistance value is as high as a few hundred KΩ to infinity, and the resistance value is only a few hundred Ω or less, indicating that the diode is good (soft breakdown has occurred) Except for diodes). If the resistance value measured twice is almost the same, and the resistance value is very small, it means that the diode has been broken down and cannot be used. If the resistance value measured twice is infinite, it means that the diode has been internally disconnected and cannot be used. 
 

RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)

•   Low forward voltage drop
•   Low leakage current
•   High forward surge capability
•   Solder dip 260 °C, 40 s  
•   RoHS Compliant
 

For  use  in  general  purpose  rectification  of  powersupplies,   inverters,   converters   and   freewheelingdiodes application. (Note: These devices are not Q101 qualified.)

why choose us :
advantage:
1.Produce Range
Yangjiang RUIXIAO Enterprise Co,.Ltd,major in the electronic component , who have wide range of products,
such as IC,resistor , capacitor , mosfet , diodes, module , LED, relay, lcd. pcb board . and so.  the brand involves:SHARP, POWER, ,  NS, ON, ST , IR, VISHAY , TOSHIBA, FAIRCHILD,MICROCHIP, ATMEL,EVERYLIGHT all the kinds  of electronic component you need will be find in  here.




2.Scope of application
the product  is widely used in Automotive industry control,new energy industry,Audio,Home appliances equipment,Communication industry.it can  meet the diverse needs of customers

3.service:
with the  "User first, customer first" Company motto, quality assurance ,  economic price , fast Delivery time is our only faith. we will try our best to make every customer to enjoy the  the most flexible,efficient  services.We sincere hope that we can seek the common development and cooperation with  the customer together to achieve a win-win situation.

4.Logistics:
we can send the goods to the customer's country directly by the international logistics.  no matter send by air or by sea. 
we will try our best to let the customer to get the parcel more convenient .
(noted:Not bear  any fee and tax of the transportation cost.)