T..RIA Series
Medium Power Phase Control Thyristors
Vishay High Power Products
(Power Modules), 50 A/70 A/90 A
Maximum Allowable Case Temperature (°C)
120
110
100
90
80
70
60
50
0
10
T70RIA.. Series
R
thJC
(DC) = 0.50 K/W
Maximum Allowable Case Temperature (°C)
130
130
120
110
100
T70RIA.. Series
R
thJC
(DC) = 0.50 K/W
Conduction Angle
Conduction Period
90
80
70
60
50
0
20
40
60
80
100
120
Average On-state Current (A)
60°
30°
90°
120°
180°
DC
30°
60°
90°
120°
180°
70
80
20
30
40
50
60
Average On-state Current (A)
Fig. 9 - Current Ratings Characteristics
Fig. 10 - Current Ratings Characteristics
Maximum Average On-state Power Loss (W)
100
90
80
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
0
20
40
60
80
100
120
Average On-state Current (A)
Maximum Allowable Ambient Temperature (°C)
Conduction Angle
180°
120°
90°
60°
30°
RMS Limit
/W
3K
0.
R
thS
0.7
0.
5
K/
W
K/
W
A
K/W
.1
=0
1K
/W
1.5
K/W
2K
/W
aR
elt
-D
3K
/W
5 K/W
T70RIA.. Series
T
J
= 125°C
7 K/W
Fig. 11 - On-State Power Loss Characteristics
Maximum Average On-state Power Loss (W)
140
120
100
80
RMS Limit
60
40
20
0
0
20
40
60
80
100
0
120
20
40
60
80
100
120
Average On-state Current (A)
Maximum Allowable Ambient Temperature (°C)
Conduction Period
DC
180°
120°
90°
60°
30°
R
K/
W
0.5
K/
W
0.7
K/W
1K
/W
1.5
K/W
2K
/W
3 K/W
5 K/W
0.
3
A
thS
=
1
0.
W
K/
ta
el
-D
R
T70RIA.. Series
T
J
= 125°C
Fig. 12 - On-State Power Loss Characteristics
Document Number: 93756
Revision: 03-Jun-08
For technical questions, contact: ind-modules@vishay.com
www.vishay.com
7
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