VS-ST203C Datasheet, PDF (5/10 Pages) Vishay Siliconix – Inverter Grade Thyristors (Hockey PUK Version), 370 A

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1000
900
800
700
600
500
400
300
200
100
0
0
180°
120°
90°
60°
30°
RMS limit
Ø
Conduction angle
ST203C..C Series
T_J = 125 °C
50 100 150 200 250 300 350 400 450
Average On-State Current (A)
Fig. 5 - On-State Power Loss Characteristics
1400
1200
1000
800
600
DC
180°
120°
90°
60°
30°
RMS limit
400
Ø
Conduction period
200
0
0
ST203C..C Series
T_J = 125 °C
100 200 300 400 500 600 700 800
Average On-State Current (A)
Fig. 6 - On-State Power Loss Characteristics
VS-ST203C Series
Vishay Semiconductors
5500
5000
4500
4000
Maximum non-repetitive surge current
versus pulse train duration. Control of
conduction may not be maintained
Initial T_J = 125 °C
No voltage reapplied
Rated V_RRM reapplied
3500
3000
2500
ST203C..C Series
2000
0.01
0.1
1
Pulse Train Duration (s)
Fig. 8 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
10 000
ST203C..C Series
1000
T_J = 25 °C
T_J = 125 °C
100
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Instantaneous On-State Voltage (V)
Fig. 9 - On-State Voltage Drop Characteristics
5000
4500
4000
3500
At any rated load condition and with
rated V_RRM applied following surge
Initial T_J = 125 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
3000
2500
ST203C..C Series
2000
1
10
100
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Fig. 7 - Maximum Non-Repetitive Surge Current
Single and Double Side Cooled
1
ST203C..C Series
0.1
0.01
0.001
0.001
0.01
Steady state value
R_thJ-hs = 0.17 K/W
(Single side cooled)
R_thJ-hs = 0.08 K/W
(Double side cooled)
(DC operation)
0.1
1
10
Square Wave Pulse Duration (s)
Fig. 10 - Thermal Impedance Z_thJ-hs Characteristics
Revision: 16-Dec-13
5
Document Number: 94370
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