STT49GK SIRECT [Sirectifier Global Corp.], STT49GK Datasheet - Page 3

• Manufacturer Part Number: STT49GK
• Description: Thyristor-Thyristor Modules
• Manufacturer: SIRECT [Sirectifier Global Corp.]

Fig.3L Power dissipation of two modules vs. direct current
Fig.2L Power dissipation per module vs. rms current
Fig.1L Power dissipation per thyristor vs. on-state current
Pvtot
Pvtot
400
P
300
100
200
100
W
TAV
200
150
100
W
W
25
75
50
50
0
0
0
0
0
0
I
2 STT49B
2 STD
D
I
I
1 STT49
1 STD
TAV
RM
.
.
1 /2
1 /2
.
.
20
.
.
20
10
STT 49 B
STD49B
r ec.
49B
15
49
B
B
40
40
20
30
60
60
60
30
90
80
80
Thyristor-Thyristor Modules
R
40
120
sin.
180
100
L
100
STT49GKxxB
50
rec.
180
cont.
A
A
A
120
120
60
Fig .3R Power dissipation of two modules vs. case temp
Fig.1R Power dissipation per thyristor vs. ambient temp
Fig.2R Power dissipation per module vs. case temp
Pvtot
Pvtot
150
100
400
200
300
200
100
P
50
100
W
TAV
W
W
50
0
0
75
25
0
0
0
K/W
0 . 3
0.4
0.5
0.6
0.7
0 . 8
1
1.2
1.5
2
3
4
0
0.2
0.25
0.3
0.35
0.4
0 5 .
0.6
0 75
1
1.25
1.5
2
K/W
0 . 1 5
1.4
1 6 .
1 . 8
2
2.5
3
4
5
6
8
K/W
.
3.5
1.2
0.2
0.1
T
T
a
a
T
.
a
1
0.05
0.1
50
50
0.8
50
R
R
th(c-a)
th(c-a)
0.6
R
th(j-a)
100
100
100
O
C
O
O
C
C
150
150
T
O
150
86
96
106
56
66
76
116
T
66
76
86
96
106
O
116
C
c
C
c