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Document Number: 94377
4 Revision: 30-Apr-08
ST333SP Series
Vishay High Power Products
Inverter Grade Thyristors
(Stud Version), 330 A
Note
• The table above shows the increment of thermal resistance R
thJ-hs
when devices operate at different conduction angles than DC
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
Fig. 3 - On-State Power Loss Characteristics
ΔR
thJ-hs
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.011 0.008
T
J
= T
J
maximum K/W
120° 0.013 0.014
90° 0.017 0.018
60° 0.025 0.026
30° 0.041 0.042
70
80
90
100
110
120
130
0 50 100 150 200 250 300 350
Maximum Allowable Case Temperature (°C)
30°
60°
90°
120°
180°
Average On-state Current (A)
Conduc tion Angle
ST333S Series
R (DC) = 0.10 K/ W
thJC
60
70
80
90
100
110
120
130
0 100 200 300 400 500 600
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Cond uc tion Period
ST3 3 3 S Se r i e s
R (DC) = 0.10 K/ W
thJC
25 50 75 100 125
Maximum Allowable Ambient Temperature (°C)
R
=
0
.
0
1K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
.
0
3
K
/
W
0
.
0
6
K
/
W
0
.
0
8
K
/
W
0
.
1
2
K
/
W
0
.
1
6
K
/
W
0
.
2
K
/
W
0
.
3
K
/
W
0
.
5
K
/
W
0
50
100
150
200
250
300
350
400
450
500
0 50 100 150 200 250 300 350
180°
120°
90°
60°
30°
RM S Li m it
Conduc tion Angle
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
ST3 3 3 S Se r i e s
T = 1 2 5 ° C
J
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