International Rectifier ST173S12PFK2L, ST173S12PFK2, ST173S12PFK1L, ST173S12PFK1, ST173S12PFK0L Datasheet
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D-450
DISCRETE POWER DIODES and THYRISTORS
DATA BOOK
ST173S SERIES
INVERTER GRADE THYRISTORS
Stud Version
175A
D-451
Bulletin I25181/B
Features
All diffused design
Center amplifying gate
Guaranteed high dv/dt
Guaranteed high di/dt
High surge current capability
Low thermal impedance
High speed performance
Typical Applications
Inverters
Choppers
Induction heating
All types of force-commutated converters
I
T(AV)
175 A
@ T
C
85 °C
I
T(RMS)
275 A
I
TSM
@ 50Hz 4680 A
@ 60Hz 4900 A
I
2
t @ 50Hz 110 KA2s
@ 60Hz 100 KA
2
s
V
DRM/VRRM
1000 to 1200 V
t
q
range 15 to 25 µs
T
J
- 40 to 125 °C
Parameters ST173S Units
Major Ratings and Characteristics
case style
TO-209AB (TO-93)
ST173S Series
D-452
Voltage V
DRM/VRRM
, maximum V
RSM
, maximum I
DRM/IRRM
max.
Type number Code repetitive peak voltage non-repetitive peak voltage
@ TJ = TJ max.
V V mA
10 1000 1100
12 1200 1300
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Frequency Units
50Hz 500 320 790 550 4510 3310
400Hz 450 290 810 540 1970 1350
1000Hz 330 190 760 490 1050 680 A
2500Hz 170 80 510 300 480 280
Recovery voltage Vr 50 50 50 50 50 50
Voltage before turn-on Vd V
DRM
V
DRM
V
DRM
Rise of on-state current di/dt 50 50 - - - - A/µs
Case temperature 60 85 60 85 60 85 °C
Equivalent values for RC circuit 47Ω / 0.22µF 47Ω / 0.22µF 47Ω / 0.22µF
I
TM
180oel
180
o
el
100µs
I
TM
I
TM
Current Carrying Capability
V
I
T(AV)
Max. average on-state current 175 A 180° conduction, half sine wave
@ Case temperature 85 °C
I
T(RMS)
Max. RMS on-state current 275 DC @ 75°C case temperature
I
TSM
Max. peak, one half cycle, 4680 t = 10ms No voltage
non-repetitive surge current 4900 A t = 8.3ms reapplied
3940 t = 10ms 100% V
RRM
4120 t = 8.3ms reapplied Sinusoidal half wave,
I
2
t Maximum I2t for fusing 110 t = 10ms No voltage Initial TJ = TJ max
100 t = 8.3ms reapplied
77 t = 10ms 100% V
RRM
71 t = 8.3ms reapplied
I
2
√t Maximum I2√t for fusing 1100 KA2√s t = 0.1 to 10ms, no voltage reapplied
Parameter ST173S Units Conditions
On-state Conduction
KA2s
ST173S 40
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