C&H Technology ST333SP Series - Manual (Page 5)

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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
M
a
xi
mu
m
A
llo
w
a
b
le Ca
se
T
e
m
p
e
ra
tu
re (
°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)
M
a
x
imu
m A
llo
w
a
b
le
C
a
se
T
e
mp
er
a
tu
re
(
°C)
Cond uc tion Period
ST333S Series
R (DC) = 0.10 K/ W
thJC
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
0.0
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°
RMS Limit
Conduc tion Angle
M
a
xi
m
u
m
A
v
er
a
g
e O
n
-s
ta
te
P
o
wer
L
o
ss
(
W
)
Average On-state Current (A)
ST333S Series
T = 125°C
J