C&H Technology 25RIA Series - Manual (Page 6)

Document Number: 93701 For technical questions, contact: [email protected] www.vishay.com
Revision: 19-Sep-08 5
25RIA Series
Medium Power Thyristors
(Stud Version), 25 A
Vishay High Power Products
Fig. 3 - On-State Power Loss Characteristics
Fig. 4 - On-State Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current Fig. 6 - Maximum Non-Repetitive Surge Current
0 25 50 75 100 125
Maximum Allowable Ambient Temperature (°C)
R
=
1
K
/W
-
D
elt
a
R
th
S
A 2
K/W
3 K
/W
4 K
/W
5 K
/W
7 K/W
0
5
10
15
20
25
30
35
40
45
0 5 10 15 20 25 30
RMS Limit
Conduction Angle
180°
120°
90°
60°
30°
Ma
x
imu
m
A
v
e
ra
g
e
O
n
-s
ta
te
P
o
w
e
r L
o
s
s
(
W
)
Average On-state Current (A)
25RIA Series
T = 125°C
J
0 25 50 75 100 125
Maximum Allowable Ambient Temperature (°C)
2
K/W
7 K/W
5 K/W
4 K/W
3 K
/W
R
= 1
K
/W
- D
el
ta
R
th
SA
0
5
10
15
20
25
30
35
40
45
50
55
60
0 5 10 15 20 25 30 35 40
DC
180°
120°
90°
60°
30°
RMS Limit
Conduction Period
M
a
x
im
u
m
A
v
erage
O
n
-s
ta
te
P
o
w
e
r Lo
ss (W
)
Average On-state Current (A)
25RIA Series
T = 125°C
J
175
200
225
250
275
300
325
350
375
1 10 100
Number Of Equal Amplitude Half Cycle 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
)
Initial T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
J
25RIA Series
150
175
200
225
250
275
300
325
350
375
400
425
450
0.01 0.1 1
Pe
a
k
H
a
lf
Si
n
e
W
a
v
e
O
n
-s
ta
te
C
u
rr
e
n
t (
A
)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration. Control
Of Conduction May Not Be Maintained.
Initial T = 125°C
No Voltage Reapplied
RRM
J
25RIA Series
Rated V Reapplied