ST083S Series
4
www.irf.com
Bulletin I25185 rev. B 03/94
1 - Thyristor
2 - Essential part number
3 - 3 = Fast turn off
4 - S = Compression bonding Stud
5 - Voltage code: Code x 100 = V
RRM
(See Voltage Ratings Table)
6 - P = Stud Base 1/2" 20UNF
7 - Reapplied dv/dt code (for t
q
Test Condition)
8 -t
q
code
9 - 0 = Eyelet terminals (Gate and Aux. Cathode Leads)
1 = Fast-on terminals (Gate and Aux. Cathode Leads)
2 = Flag terminals (For Cathode and Gate Terminals)
- Critical dv/dt:
None = 500V/µsec (Standard value)
L = 1000V/µsec (Special selection)
dv/dt - t
q
combinations available
dv/dt (V/µs) 20 50 100 200 400
t
q
(µs) 10 CN DN EN FN * HN
12 CM DM EM FM * HM
15 CL DL EL FL HL
18 CP DP EP FP * HP
20 CK DK EK FK * HK
t
q
(µs) 15 CL -- -- -- --
18 CP DP EP FP * --
20 CK DK EK FK * HK
25 CJ DJ EJ FJ HJ
30 -- DH EH FH HH
T
J
Max. junction operating temperature range -40 to 125
T
stg
Max. storage temperature range -40 to 150
R
thJC
Max. thermal resistance, junction to case 0.195 DC operation
R
thCS
Max. thermal resistance, case to heatsink 0.08 Mounting surface, smooth, flat and greased
T Mounting torque, ± 10% 15.5 Nm
(137) (Ibf-in)
14 Nm
(120) (Ibf-in)
wt Approximate weight 130 g
Case style TO-209AC (TO-94) See Outline Table
Parameter ST083S Units Conditions
Thermal and Mechanical Specifications
°C
K/W
Non lubricated threads
Lubricated threads
Ordering Information Table
5
6
8
9
ST 08 3 S 12 P F K 0
34
10
7
Device Code
12
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
180° 0.034 0.025
120° 0.041 0.042
90° 0.052 0.056 K/W T
J
= T
J
max.
60° 0.076 0.079
30° 0.126 0.127
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
*Standard part number.
All other types available only on request.
only for
1000/1200V
up to 800V
10
