User guide
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Document Number: 94417
6 Revision: 08-Oct-09
VSK.170PbF, VSK.250PbF Series
Vishay High Power Products
SCR/SCR and SCR/Diode
(MAGN-A-PAK Power Modules), 170 A/250 A
Fig. 9 - On-State Power Loss Characteristics
Fig. 10 - Current Ratings Characteristics
Fig. 11 - Current Ratings Characteristics
Fig. 12 - On-State Power Loss Characteristics
Fig. 13 - On-State Power Loss Characteristics
0 20406080100120
Maximum Allowable Ambient Temperature (°C)
0
.
2
5
K
/
W
0
.
1
6
K
/
W
0
.
1
2
K
/
W
0
.
1
K
/
W
0
.
0
8
K
/
W
0
.
0
5
K
/
W
0
.
0
3
K
/
W
R
=
0
.
0
1
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
200
400
600
800
1000
1200
1400
1600
0 100200300400500
Total Output Current (A)
Maximum Total Power Loss (W)
120°
(Rect)
3 x VSK.170.. Series
Three Phase Bridge
Connected
T
J
= 130°C
60
70
80
90
100
110
120
130
0 50 100 150 200 250 3
00
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Angle
VSK.250.. Series
R
thJC
(DC) = 0.125 K/W
60
70
80
90
100
110
120
130
01002003004005
00
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Period
VSK.250.. Series
R
thJC
(DC) = 0.125 K/W
0
50
100
150
200
250
300
350
050100150200250
RMS Limit
Conduction Angle
Maximum Average On-state Power Loss (W
)
Average On-state Current (A)
180°
120°
90°
60°
30°
VSK.250.. Series
Per Junction
T = 130°C
J
0
50
100
150
200
250
300
350
400
450
500
0 50 100 150 200 250 300 350 4
00
DC
180°
120°
90°
60°
30°
RMS Limit
Conduction Period
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
VSK.250.. Series
Per Junction
T
J
= 130°C