ST300S Series
Bulletin I25158 rev. B 01/94
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
Code
04
08
ST300S
12
16
18
20
V
DRM
/V
RRM
, max. repetitive
peak and off-state voltage
V
400
800
1200
1600
1800
2000
V
RSM
, maximum non-
repetitive peak voltage
V
500
900
1300
1700
1900
2100
I
DRM
/I
RRM
max.
@ T
J
= T
J
max
mA
50
On-state Conduction
Parameter
I
T(AV)
Max. average on-state current
@ Case temperature
I
T(RMS)
Max. RMS on-state current
I
TSM
Max. peak, one-cycle
non-repetitive surge current
ST300S
300
75
470
8000
8380
6730
7040
Units Conditions
A
°C
A
DC @ 64°C case temperature
t = 10ms
t = 8.3ms
A
t = 10ms
t = 8.3ms
t = 10ms
KA
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
KA
√s
2
180° conduction, half sine wave
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
I
2
t
Maximum I
2
t for fusing
320
292
226
207
I
√
t
2
Maximum I
√t
for fusing
2
3200
0.97
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
T(AV)
< I <
π
x I
T(AV)
), T
J
= T
J
max.
V
T(TO)1
Low level value of threshold
voltage
V
T(TO)2
High level value of threshold
voltage
r
t
1
r
t
2
V
TM
I
H
I
L
Low level value of on-state
slope resistance
High level value of on-state
slope resistance
Max. on-state voltage
Maximum holding current
Typical latching current
V
0.98
(I >
π
x I
T(AV)
),T
J
= T
J
max.
(16.7% x
π
x I
T(AV)
< I <
π
x I
T(AV)
), T
J
= T
J
max.
mΩ
0.73
1.66
600
mA
1000
T
J
= 25°C, anode supply 12V resistive load
V
(I >
π
x I
T(AV)
),T
J
= T
J
max.
I
pk
= 940A, T
J
= T
J
max, t
p
= 10ms sine pulse
0.74
2
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