DD25F/KD25F
Average Forward Current vs. �
Power Dissipation
Maximum Forward Characteristics
3
10
60�
50�
40�
5�
Per one element
D.C.
2�
�
Single Phase
2
Three Phase
10
30�
20�
5�
Max.
2�
10�
0�
1
10
5�
0�
1�
2�
3�
4�
5�
0� 5� 10� 15� 20� 25� 30� 35� 40� 45� 50�
Forward Voltage Drop(V)�
Average Forward Curren(t A)�
Average Forward Current vs. �
Allowable Case Temperature
Cycle Surge Forward Current Rating�
(Non-Repetitive)�
130�
800�
Per one element�
Tj=25℃ꢀstart
Per one element
120�
110�
100�
90�
600�
400�
�
60Hz
50Hz
200�
0�
80�
�
�
70�
0�
1
2
10
2�
5�
10
2�
5�
10
0� 5� 10� 15� 20� 25� 30� 35� 40� 45� 50�
Average Forward Curren(t A)�
Time(Cycles)�
Transient Thermal Impedance
1.0�
Per one element
0.9�
0.8�
0.7�
0.6�
0.5�
0.4�
0.3�
0.2�
0.1�
0�
Junction to Case
-3�
-2�
-1�
0�
1
2
3
4
10
10
10
10
10
10
10
10
Time t(sec)�
B6;Six pulse Bridge �
connection
B2;Two Pluse Bridge �
connection
Output Current
Output Current
�
250�
250�
Rth:1.0℃/W�
Rth:1.0℃/W�
Rth:0.8℃/W�
Rth:0.6℃/W�
�
Rth:0.8℃/W�
Id(Aav.)�
Rth:0.6℃/W�
Rth:0.4℃/W�
Rth:0.2℃/W�
200�
150�
200�
Rth:0.4℃/W�
Rth:0.2℃/W�
B6
100�
�
�
90�
150�
100�
50�
0�
B2
100�
110�
110�
100�
50�
0�
120�
125�
Id
120�
125�
�
0�
20�
40� 60�
0�
40�
80� 120�
0�
20�
40� 60�
0�
40�
85� 120�
Output Curren(t A)�
Output Curren(t A)�
Ambient Temperature(℃)�
Ambient Temperature(℃)�
SanRex 50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: semi@sanrex.com