ABB Semiconductor's first-class welding diodes assure successful performance

▪ Special feature

Designed for medium frequency welding equipment and optimized for high current rectifiers

Proven high reliability in welding equipment with very low on-state voltage and very low thermal resistance

 

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.

 

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Standard Part number	VRRM (V)	IFAVM (A)	IFSM (kA)	Package* (mm)
5SDD 71X0200	200	7110	55.0	60/44
5SDD 71B0400 / 5SDD71B0200	400	7110	55.0	62/44
5SDD 71X0400	400	7110	55.0	60/44
5SDD 0120C0200	200	11000	85.0	75/57
5SDD 0120C0400	400	11350	85.0	75/57
5SDD 92Z0401	400	9250	60.0	53/47
5SDD 0105Z0401	400	10502	70.0	56/49.5
5SDD 0135Z0401	400	13500	85.0	63.5/57

High Frequency Part number	VRRM (V)	IFAVM (A)	IFSM (kA)	Package* (mm)
5SDF 63B0400	400	6266	44	63/44
5SDF 63X0400	400	6266	44	61/44
5SDF 90Z0401	400	9041	48	53/47
5SDF 0102C0400	400	10159	70	75.5/57
5SDF 0103Z0401	400	10266	54	56/49.5
5SDF 0131Z0401	400	13058	70	63.5/57

*Note: maximum diameter / pole-piece diameter