Vishay ST203S SERIES Data Sheet
Bulletin I25177 rev. C 12/96
ST203S SERIES
INVERTER GRADE THYRISTORS |
Stud Version |
Features |
205A |
|
All diffused design
Center amplifying gate
Guaranteed high dv/dt
Guaranteed high di/dt
High surge current capability
Low thermal impedance
High speed performance
TypicalApplications
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 |
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case style TO-209AB (TO-93)
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1 |
ST203S Series
Bulletin I25177 rev. C 12/96
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 |
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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 |
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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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- |
- |
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- |
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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 |
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°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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I2t |
Maximum I2t for fusing |
138 |
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t = 10ms |
No voltage |
Initial TJ = TJ max |
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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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2 |
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ST203S Series |
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Bulletin I25177 rev. C 12/96 |
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On-state Conduction |
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Parameter |
ST203S |
Units |
Conditions |
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VTM |
Max. peak on-state voltage |
1.72 |
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ITM= 600A, TJ = TJ max, tp = 10ms sine wave pulse |
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VT(TO)1 |
Low level value of threshold |
1.17 |
V |
(16.7% x π x IT(AV) < I < π x IT(AV)), TJ = TJ max. |
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voltage |
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VT(TO)2 High level value of threshold |
1.20 |
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(I > π x IT(AV)), TJ = TJ max. |
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voltage |
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rt1 |
Low level value of forward |
0.92 |
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(16.7% x π x IT(AV) < I < π x IT(AV)), TJ = TJ max. |
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slope resistance |
mΩ |
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rt2 |
High level value of forward |
0.87 |
(I > π x IT(AV)), TJ = TJ max. |
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slope resistance |
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IH |
Maximum holding current |
600 |
mA |
TJ = 25°C, I T > 30A |
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IL |
Typical latching current |
1000 |
TJ = 25°C, V A= 12V, Ra = 6Ω, IG= 1A |
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Switching |
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Parameter |
ST203S |
Units |
Conditions |
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di/dt |
Max. non-repetitive rate of rise |
1000 |
A/µs |
TJ = TJ max, VDRM = rated VDRM |
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of turned-on current |
ITM = 2 x di/dt |
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td |
Typical delay time |
0.79 |
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TJ = 25°C, V DM = rated VDRM, ITM = 50A DC, tp= 1µs |
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µs |
Resistive load, Gate pulse: 10V, 5Ω source |
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Min |
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Max |
TJ = TJ max, ITM = 300A, commutating di/dt = 20A/µs |
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tq |
Max. turn-off time |
20 |
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30 |
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VR = 50V, tp = 500µs, dv/dt: see table in device code |
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Blocking |
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Parameter |
ST203S |
Units |
Conditions |
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dv/dt |
Maximum critical rate of rise of |
500 |
V/μs |
TJ = TJ max., linear to 80% VDRM, higher value |
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off-state voltage |
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available on request |
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IRRM |
Max. peak reverse and off-state |
40 |
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mA |
TJ = TJ max, rated VDRM/VRRM applied |
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I |
leakage current |
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DRM |
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Triggering |
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Parameter |
ST203S |
Units |
Conditions |
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PGM |
Maximum peak gate power |
60 |
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W |
TJ = TJ max, f = 50Hz, d% = 50 |
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PG(AV) |
Maximum average gate power |
10 |
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IGM |
Max. peak positive gate current |
10 |
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A |
TJ = TJ max, tp ≤ 5ms |
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+VGM |
Maximum peak positive |
20 |
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gate voltage |
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V |
TJ = TJ max, tp ≤ 5ms |
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-VGM |
Maximum peak negative |
5 |
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gate voltage |
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IGT |
Max. DC gate current required |
200 |
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mA |
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to trigger |
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TJ = 25°C, V A = 12V, Ra = 6Ω |
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VGT |
Max. DC gate voltage required |
3 |
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V |
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to trigger |
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IGD |
Max. DC gate current not to trigger |
20 |
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mA |
TJ = TJ max, rated VDRM applied |
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VGD |
Max. DC gate voltage not to trigger |
0.25 |
V |
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