DISCRETE POWER DIODES and THYRISTORS
DATA BOOK
D-470
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Bulletin I25177/B |
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ST203S SERIES |
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INVERTER GRADE THYRISTORS |
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Stud Version |
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Features |
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205A |
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All diffused design |
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Center amplifying gate |
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Guaranteed high dv/dt |
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Guaranteed high di/dt |
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High surge current capability |
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Low thermal impedance |
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High speed performance |
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Typical Applications
Inverters
Choppers
Induction heating
All types of force-commutated converters
Major Ratings and Characteristics
Parameters |
ST203S |
Units |
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IT(AV) |
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205 |
A |
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@ TC |
85 |
°C |
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IT(RMS) |
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320 |
A |
ITSM |
@ 50Hz |
5260 |
A |
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@ 60Hz |
5510 |
A |
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I2t |
@ 50Hz |
138 |
KA2s |
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@ 60Hz |
126 |
KA2s |
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VDRM/VRRM |
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1000 to 1200 |
V |
tq range |
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20 to 30 |
µs |
TJ |
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- 40 to 125 |
°C |
case style TO-209AB (TO-93)
D-471
ST203S Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
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Voltage |
VDRM/VRRM, maximum |
VRSM , maximum |
IDRM/IRRM max. |
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Type number |
Code |
repetitive peak voltage |
non-repetitive peak voltage |
@ TJ = TJ max. |
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V |
V |
mA |
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ST203S |
10 |
1000 |
1100 |
40 |
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12 |
1200 |
1300 |
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Current Carrying Capability |
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Frequency |
ITM |
ITM |
ITM |
Units |
180oel |
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180oel |
100ms |
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50Hz |
580 |
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400 |
900 |
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640 |
6180 |
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4680 |
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400Hz |
570 |
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380 |
940 |
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650 |
2980 |
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2150 |
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1000Hz |
520 |
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320 |
930 |
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630 |
1730 |
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1200 |
A |
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2500Hz |
370 |
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210 |
780 |
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510 |
890 |
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580 |
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Recovery voltage Vr |
50 |
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50 |
50 |
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50 |
50 |
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50 |
V |
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Voltage before turn-on Vd |
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VDRM |
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VDRM |
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VDRM |
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Rise of on-state current di/dt |
50 |
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50 |
- |
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A/ms |
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Case temperature |
60 |
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85 |
60 |
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85 |
60 |
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85 |
°C |
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Equivalent values for RC circuit |
47W / 0.22µF |
47W / 0.22µF |
47W / 0.22µF |
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On-state Conduction
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Parameter |
ST203S |
Units |
Conditions |
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IT(AV) |
Max. average on-state current |
205 |
A |
180° conduction, half sine wave |
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@ Case temperature |
85 |
°C |
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IT(RMS) |
Max. RMS on-state current |
320 |
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DC @ 76°C case temperature |
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ITSM |
Max. peak, one half cycle, |
5260 |
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t = 10ms |
No voltage |
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non-repetitive surge current |
5510 |
A |
t = 8.3ms |
reapplied |
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4420 |
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t = 10ms |
100% VRRM |
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4630 |
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t = 8.3ms |
reapplied |
Sinusoidal half wave, |
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I2 t |
Maximum I2t for fusing |
138 |
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t = 10ms |
No voltage |
Initial T |
J |
= T |
max |
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J |
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126 |
KA2s |
t = 8.3ms |
reapplied |
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98 |
t = 10ms |
100% VRRM |
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89 |
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t = 8.3ms |
reapplied |
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I2Öt |
Maximum I2Öt for fusing |
1380 |
KA2Ös |
t = 0.1 to 10ms, no voltage reapplied |
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D-472