C&H Technology ST333SP Series - Manual (Page 6)

Document Number: 94377 For technical questions, contact: [email protected] www.vishay.com
Revision: 30-Apr-08 5
ST333SP Series
Inverter Grade Thyristors
(Stud Version), 330 A
Vishay High Power Products
Fig. 4 - On-State Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitve Surge Current
Fig. 7 - On-State Voltage Drop Characteristics
Fig. 8 - Thermal Impedance Z
thJC
Characteristics
25 50 75 100 125
Maximum Allowable Ambient Temperature (°C)
R
=
0.0
1
K/
W
- D
e
lta
R
th
SA
0.0
3
K/
W
0.0
6
K/
W
0.1
2
K/W
0.2
K/W
0.3
K/W
0.5 K/W
0
100
200
300
400
500
600
700
0 100 200 300 400 500 600
DC
180°
120°
90°
60°
30°
RMS Limit
Conduc tion Period
M
a
xi
m
u
m
A
v
e
ra
g
e
O
n
-s
ta
te
P
o
w
e
r L
o
ss
(
W
)
Average On-state Current (A)
ST333S Series
T = 125°C
J
4000
5000
6000
7000
8000
9000
10000
1 10 100
Number Of Eq ua l Amp litud e Ha lf Cyc le Current Pulses (N)
P
e
a
k
H
a
lf
S
in
e
W
a
v
e
O
n
-s
ta
te C
u
rr
en
t (
A
)
Initial T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
ST333S Series
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
4000
5000
6000
7000
8000
9000
10000
11000
0.01 0.1 1
Pulse Train Duration (s)
Versus Pulse Train Duration. Control
Of Conduc tion May Not Be Maintained.
P
e
a
k
H
a
lf
S
ine
W
a
v
e
O
n
-s
ta
te
C
u
rr
e
nt
(
A
)
Initial T = 125°C
No Voltage Reapplied
RRM
J
ST333S Series
Maximum Non Repetitive Surge Current
Rated V Reapplied
100
1000
10000
0 1 2 3 4 5 6 7
T = 25°C
J
In
st
a
n
ta
ne
ou
s O
n
-s
ta
te C
u
rr
en
t (
A
)
Instantaneous On-state Voltage (V)
T = 125°C
J
ST333S Series
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
th
J
C
Tr
a
n
si
e
n
t T
h
e
rm
a
l I
m
p
e
d
a
n
c
e
Z
(K
/W
)
Steady State Value
R = 0.10 K/ W
(DC Operation)
thJC
ST333S Series