ST303S Series
Bulletin I25173 rev. C 03/03
Thermal and Mechanical Specifications
Parameter
ST303S Units Conditions
TJ
Tstg
RthJC
RthCS
T
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
Max. thermal resistance, case to heatsink
Mounting torque, ± 10%
wt Approximate weight
-40 to 125
-40 to 150
0.10
0.03
48.5
(425)
535
°C
DC operation
K/W
Mounting surface, smooth, flat and greased
Nm
Non lubricated threads
(Ibf-in)
g
Case style
TO-209AE (TO-118) See Outline Table
∆RthJC Conduction
(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
180°
120°
90°
60°
30°
0.011
0.013
0.017
0.025
0.041
0.008
0.014
0.018
0.026
0.042
K/W
TJ = TJ max.
Ordering Information Table
Device Code
ST 30 3 S 12 P F K 0
1 234 56 7 8 9
1 - Thyristor
2 - Essential part number
3 - 3 = Fast turn off
4 - S = Compression bonding Stud
5 - Voltage code: Code x 100 = VRRM (See Voltage Ratings table)
6 - P = Stud base 3/4" 16UNF-2A
7 - Reapplied dv/dt code (for tq test condition)
8 - tq code
9 - 0 = Eyelet terminals (Gate and Aux. Cathode Leads)
1 = Fast-on terminals (Gate and Aux. Cathode Leads)
dv/dt - tq combinations available
dv/dt (V/µs) 200
tq(µs)
10
FN
up to 800V
20
FK
tq(µs)
only for
20
FK
1000/1200V
4
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