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DISCRETE POWER DIODES and THYRISTORS
DATA BOOK
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620A
INVERTER GRADE THYRISTORS Puk Version
ST303C..C SERIES
Bulletin I25172/A
case style TO-200AB (E-PUK)
Features
Metal case with ceramic insulator
International standard case TO-200AB (E-PUK)
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
Major Ratings and Characteristics
(*) tq = 10 to 20µs for 400 to 800V devices
t
q
= 15 to 30µs for 1000 to 1200V devices
I
T(AV)
620 A
@ T
hs
55 °C
I
T(RMS)
1180 A
@ T
hs
25 °C
I
TSM
@ 50Hz 7950 A
@ 60Hz 8320 A
I
2
t @ 50Hz 316 KA2s
@ 60Hz 289 KA
2
s
V
DRM/VRRM
400 to 1200 V
t
q
range (*) 10 to 30 µs
T
J
- 40 to 125 °C
Parameters ST303C..C Units
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ST303C..C Series
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
04 400 500
08 800 900
10 1000 1100
12 1200 1300
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Frequency Units
50Hz 1314 1130 2070 1940 6930 6270
400Hz 1260 1040 2190 1880 3440 2960
1000Hz 900 700 1900 1590 1850 1540 A
2500Hz 340 230 910 710 740 560
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
Heatsink temperature 40 55 40 55 40 55 °C
Equivalent values for RC circuit 10Ω / 0.47µF 10Ω / 0.47µF 10Ω / 0.47µF
I
TM
180oel
180
o
el
100µs
I
TM
I
TM
Current Carrying Capability
V
ST303C..C 50
I
T(AV)
Max. average on-state current 620 (230) A 180° conduction, half sine wave
@ Heatsink temperature 55 (85) °C double side (single side) cooled
I
T(RMS)
Max. RMS on-state current 1180 DC @ 25°C heatsink temperature double side cooled
I
TSM
Max. peak, one half cycle, 7950 t = 10ms No voltage
non-repetitive surge current 8320 A t = 8.3ms reapplied
6690 t = 10ms 100% V
RRM
7000 t = 8.3ms reapplied Sinusoidal half wave,
I
2
t Maximum I2t for fusing 316 t = 10ms No voltage Initial TJ = TJ max
289 t = 8.3ms reapplied
224 t = 10ms 100% V
RRM
204 t = 8.3ms reapplied
I
2
√t Maximum I2√t for fusing 3160 KA2√s t = 0.1 to 10ms, no voltage reapplied
Parameter ST303C..C Units Conditions
On-state Conduction
KA2s