C&H Technology 181RKI...PbF Series - Manual (Page 6)

Document Number: 94382 For technical questions, contact: [email protected] www.vishay.com
Revision: 30-Apr-08 5
180RKI...PbF /181RKI...PbF Series
Phase Control Thyristors
(Stud Version), 180 A
Vishay High Power Products
Fig. 5 - Maximum Non-Repetitive Surge Current Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 7 - On-State Voltage Drop Characteristics
Fig. 8 - Thermal impedance Z
thJC
Characteristics
1500
2000
2500
3000
3500
4000
1 10 100
Number Of Equa 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
e
n
t (
A
)
181RKI Series
Initial T = 125°C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
1500
2000
2500
3000
3500
4000
0.01 0.1 1
Pulse Train Duration (s)
Versus Pulse Train Duration. Control
P
e
a
k
H
a
lf
S
in
e
W
a
v
e
O
n
-s
ta
te
C
u
rr
e
n
t
(A
)
Initial T = 125°C
No Voltage Reapplied
Rated V Reapplied
RRM
J
181RKI Series
Maximum Non Repetitive Surge Current
Of Conduction May Not Be Maintained.
100
1000
10000
0.5 1 1.5 2 2.5 3
T = 25°C
J
In
st
a
n
ta
n
e
o
u
s O
n
-s
ta
te
C
u
rr
e
n
t (
A
)
Instantaneous On-state Voltage (V)
T = 125°C
J
181RKI 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
an
si
e
n
t
Th
e
rm
a
l I
m
pe
dan
c
e
Z
(
K
/W
)
181RKI Series
Steady State Value
R = 0.15 K/ W
(DC Operation)
thJC