Vishay semiconductors – C&H Technology VSKT570-18PbF User Manual
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Document Number: 93281
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Revision: 05-May-11
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
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VSKT570-18PbF
Vishay Semiconductors
Thyristor/Thyristor
(SUPER MAGN-A-PAK Power Modules), 570 A
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
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
Maximum Allowable Case
Temperature (°C)
Average On-State Current (A)
200
300
600
700
0
140
130
120
110
100
90
80
70
60
50
180°
120°
90°
60°
30°
Conduction angle
Ø
100
400
500
VSKT570... Series
R
thJC
= 0.065 K/W
Maximum Allowable Case
Temperature (°C)
Average On-State Current (A)
200 300
800 900
0
140
130
120
110
100
90
80
70
60
50
100
400
600
180°
120°
90°
60°
30°
VSKT570... Series
R
thJC
= 0.065 K/W
Ø
Conduction period
700
500
DC
Maximum Average On-State
Power Loss (W)
Average On-State Current (A)
100
200
300
400
500
600
0
1000
700
400
100
800
500
200
900
600
300
0
180°
120°
90°
60°
30°
RMS limit
Conduction angle
Ø
VSKT570... Series
T
J
= 135 °C
Maximum Average On-State
Power Loss (W)
Average On-State Current (A)
100 200 300 400
600
900
0
1200
400
800
200
600
0
180°
120°
90°
60°
30°
RMS limit
VSKT570... Series
T
J
= 135 °C
1000
500
700 800
DC
Conduction period
Ø
Peak Half Sine Wave On-State Current (A)
Number of Equal Amplitude Half
Cycle Current Pulses (N)
10
100
1
16 000
15 000
14 000
13 000
12 000
11 000
10 000
9000
8000
7000
VSKT570... Series
per junction
At any rated load condition and with
rated V
RRM
applied following surge.
Initial T
J
= 135 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
Peak Half
S
ine Wave On-
S
tate Current (A)
Pulse Train Duration (s)
0.1
1
0.01
18 000
6000
8000
10 000
12 000
14 000
16 000
Maximum non-repetitive surge current
versus pulse train duration. Control
of conduction may not be maintained.
Initial T
J
= 135 °C
No voltage reapplied
Rated V
RRM
reapplied
VSKT570... Series
per junction