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Welding diodes

Welding diodes

Welding diodes are designed for medium and high frequency welding equipment and optimized for high current rectifiers. The on-state voltage is very low and the output current is high.
ABB is selling both normal housed and housing-less welding diodes. The latter is becoming more and more important in high current welding applications for joining of high refractory materials.

 

Medium frequency
Part number
VRRM (V)IFAVM (A)IFSM (kA)Package* (mm)
200711055.060/44
200 1100085.075/57
 / 
5SDD 71B0200
400711055.062/44
400711055.060/44
4001135085.075/57
400925060.053/47
4001050270.056/49.5
4001350085.063.5/57

 

High Frequency
Part number
VRRM (V)IFAVM (A)IFSM (kA)Package* (mm)
40062664463/44
40062664461/44
40090414853/47
400101597075.5/57
400102665456/49.5
400130587063.5/57


*Note: maximum diameter / pole-piece diameter