280A
PHASE CONTROL THYRISTORS
Stud Version
ST280S SERIES
1
Bulletin I25161 rev. C 03/03
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Features
Center amplifying gate
Hermetic metal case with glass-metal seal insulator
International standard case TO-209AB (TO-93)
Compression Bonded Encapsulation for heavy duty
operations such as severe thermal cycling
Typical Applications
DC motor controls
Controlled DC power supplies
AC controllers
I
T(AV)
280
A
@ T
C
85
C
I
T(RMS)
440
A
I
TSM
@
50Hz
7850
A
@ 60Hz
8220
A
I
2
t
@
50Hz
308
KA
2
s
@ 60Hz
281
KA
2
s
V
DRM
/V
RRM
400 to 600
V
t
q
typical
100
s
T
J
- 40 to 125
C
Parameters
ST280S
Units
Major Ratings and Characteristics
case style
TO-209AB (TO-93)
ST280S Series
2
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Bulletin I25161 rev. C 03/03
di/dt
Max. non-repetitive rate of rise
Gate drive 20V, 20
, t
r
1s
of turned-on current
T
J
= T
J
max, anode voltage
80% V
DRM
Gate current 1A, di
g
/dt = 1A/s
V
d
= 0.67% V
DRM
,
T
J
= 25C
I
TM
= 300A, T
J
= T
J
max, di/dt
= 20A/s, V
R
= 50V
dv/dt
= 20V/s, Gate 0V 100
,
t
p
= 500s
Parameter
ST280S
Units Conditions
1000
A/s
Switching
t
q
Typical turn-off time
100
t
d
Typical delay time
1.0
On-state Conduction
ELECTRICAL SPECIFICATIONS
Voltage Ratings
s
I
T(AV)
Max. average on-state current
280
A
180 conduction, half sine wave
@ Case temperature
85
C
I
T(RMS)
Max. RMS on-state current
440
A
DC @ 75C case temperature
I
TSM
Max. peak, one-cycle
7850
t = 10ms
No voltage
non-repetitive surge current
8220
t = 8.3ms
reapplied
6600
t = 10ms
100% V
RRM
6900
t = 8.3ms
reapplied
Sinusoidal half wave,
I
2
t
Maximum I
2
t for fusing
310
t = 10ms
No voltage
Initial T
J
= T
J
max.
220
t = 8.3ms
reapplied
218
t = 10ms
100% V
RRM
200
t = 8.3ms
reapplied
I
2
t
Maximum I
2
t for fusing
3100
KA
2
s
t = 0.1 to 10ms, no voltage reapplied
V
T(TO)1
Low level value of threshold
voltage
V
T(TO)2
High level value of threshold
voltage
r
t
1
Low level value of on-state
slope resistance
r
t
2
High level value of on-state
slope resistance
V
TM
Max. on-state voltage
1.28
V
I
pk
= 880A, T
J
= T
J
max, t
p
= 10ms sine pulse
I
H
Maximum holding current
600
I
L
Max. (typical) latching current
1000 (300)
0.84
(16.7% x
x I
T(AV)
< I <
x I
T(AV)
), T
J
= T
J
max.
0.50
(16.7% x
x I
T(AV)
< I <
x I
T(AV)
), T
J
= T
J
max.
0.47
(I >
x I
T(AV)
),T
J
= T
J
max.
Parameter
ST280S
Units Conditions
0.88
(I >
x I
T(AV)
),T
J
= T
J
max.
KA
2
s
V
m
mA
T
J
= 25C, anode supply 12V resistive load
A
Voltage
V
DRM
/V
RRM
, max. repetitive
V
RSM
, maximum non-
I
DRM
/I
RRM
max.
Type number
Code
peak and off-state voltage
repetitive peak voltage
@ T
J
= T
J
max
V
V
mA
04
400
500
06
600
700
ST280S
30
ST280S Series
3
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Bulletin I25161 rev. C 03/03
dv/dt
Maximum critical rate of rise of
off-state voltage
I
DRM
Max. peak reverse and off-state
I
RRM
leakage current
Blocking
500
V/s
T
J
= T
J
max linear to 80% rated V
DRM
Parameter
ST280S
Units Conditions
30
mA
T
J
= T
J
max, rated V
DRM
/V
RRM
applied
T
J
Max. operating temperature range
-40 to 125
T
stg
Max. storage temperature range
-40 to 150
R
thJC
Max. thermal resistance,
junction to case
R
thCS
Max. thermal resistance,
case to heatsink
T
Mounting torque, 10%
31
(275)
24.5
(210)
wt
Approximate weight
280
g
Case style
TO - 209AB (TO-93)
See Outline Table
Parameter
ST280S
Units Conditions
0.105
DC operation
0.04
Mounting surface, smooth, flat and greased
Thermal and Mechanical Specification
P
GM
Maximum peak gate power
10.0
T
J
= T
J
max, t
p
5ms
P
G(AV)
Maximum average gate power
2.0
T
J
= T
J
max, f = 50Hz, d% = 50
I
GM
Max. peak positive gate current
3.0
A
T
J
= T
J
max, t
p
5ms
+V
GM
Maximum peak positive
gate voltage
-V
GM
Maximum peak negative
gate voltage
I
GT
DC gate current required
T
J
= - 40C
to trigger
mA
T
J
= 25C
T
J
= 125C
V
GT
DC gate voltage required
T
J
= - 40C
to trigger
V
T
J
= 25C
T
J
= 125C
I
GD
DC gate current not to trigger
10
mA
Parameter
ST280S
Units Conditions
20
5.0
Triggering
V
GD
DC gate voltage not to trigger
0.25
V
T
J
= T
J
max
TYP.
MAX.
180
-
90
150
40
-
2.9
-
1.8
3.0
1.2
-
Max. gate current/ voltage not to
trigger is the max. value which
will not trigger any unit with rated
V
DRM
anode-to-cathode applied
Max. required gate trigger/ cur-
rent/ voltage are the lowest value
which will trigger all units 12V
anode-to-cathode applied
W
V
T
J
= T
J
max, t
p
5ms
C
K/W
Nm
(lbf-in)
Non lubricated threads
Lubricated threads
ST280S Series
4
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Bulletin I25161 rev. C 03/03
R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Ordering Information Table
Device Code
5
3
4
ST
28
0
S
06
P
0
V
7
6
8
1
2
180
0.016
0.012
120
0.019
0.020
90
0.025
0.027
K/W
T
J
= T
J
max.
60
0.036
0.037
30
0.060
0.060
Conduction angle Sinusoidal conduction Rectangular conduction Units
Conditions
1
-
Thyristor
2
-
Essential part number
3
-
0 = Converter grade
4
-
S = Compression bonding Stud
5
-
Voltage code: Code x 100 = V
RRM
(See Voltage Rating Table)
6
-
P = Stud base 3/4"-16UNF-2A threads
7
-
0 = Eyelet terminals (Gate and Auxiliary Cathode Leads)
1 = Fast - on terminals (Gate and Auxiliary Cathode Leads)
8
-
V = Glass-metal seal
NOTE: For Metric Device M16 x 1.5 Contact Factory
ST280S Series
5
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Bulletin I25161 rev. C 03/03
Fast-on Terminals
Case Style TO-209AB (TO-93)
All dimensions in millimeters (inches)
Outline Table
2
WHITE SHRINK
RED SHRINK
RED CATHODE
RED SILICON RUBBER
+I
210 (
8
.
2
6)
10
(
0
.
3
9)
C.S. 0.4mm
(0.0006 s.i.)
MA
X
.
90 (
3
.
5
4
)
M
I
N
.
4.3 (0.17) DIA.
19 (0.75) MAX.
3
8
.5
(
1
.
5
2
)
MA
X
.
16
(
0
.
6
3
)
M
A
X
.
8.5 (0.33) DIA.
+-
GLASS METAL SEAL
28.5 (1.12) MAX. DIA.
220 (8.66) 10 (0.39)
SW 32
C.S. 25mm 2
(0.039 s.i.)
FLEXIBLE LEAD
4 (0.16) MAX.
22
(0
.8
6)
M
IN
.
35 (1.38) MAX.
3/4"-16UNF-2A *
27
.
5
(
1
.
0
8)
9.
5
(0
.3
7)
M
IN
.
WHITE GATE
AMP. 280000-1
REF-250
* FOR METRIC DEVICE: M16 X 1.5 - LENGHT 21 (0.83) MAX.
CONTACT FACTORY
Fig. 2 - Current Ratings Characteristics
80
90
100
110
120
130
0
50
100
150
200
250
300
M
a
x
i
mu
m A
l
l
o
w
a
b
l
e C
a
s
e
T
e
m
p
e
r
a
t
u
r
e
(
C
)
30
60
90
120
180
Average On-state Current (A)
Conduc tion Angle
ST280S Series
R (DC) = 0.105 K/W
thJC
Fig. 1 - Current Ratings Characteristics
70
80
90
100
110
120
130
0
50 100 150 200 250 300 350 400 450
DC
30
60
90
120 180
Average On-state Current (A)
M
a
x
i
mu
m A
l
l
o
w
a
b
l
e
C
a
s
e
T
e
mp
e
r
a
t
u
r
e
(
C
)
Conduction Period
ST280S Series
R (DC) = 0.105 K/ W
thJC
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