5SDD 71X0400
Current load capacity, cont.
I
D
( k A )
22
20
18
16
14
12
10
1
10
5SDD 71X0400
ID vs. ED, 1000 Hz square-wave, T
h
= 60 °C
n
n
n
n
=
50
= 100
= 500
= 1000
pulses
pulses
pulses
pulses
Duty cycle ED (%)
100
Fig. 6
DC-output current with single-phase centre tap
I
D
-
+
Fig. 7
Definition of ED for typical welding
sequence
Fig. 8
Definition of ID for single-phase centre tap
ABB Switzerland Ltd, Semiconductors reserves the right to change specifications without notice.
ABB Switzerland Ltd
Semiconductors
Fabrikstrasse 3
CH-5600 Lenzburg, Switzerland
Telephone
Fax
Email
Internet
+41 (0)58 586 1419
+41 (0)58 586 1306
Doc. No. 5SYA1158-01 July 06
ABB [ THE ABB GROUP ]
