ST180S Series
Bulletin I25165 rev. C 03/03
∆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°
0.015
0.019
0.025
0.036
0.060
0.012
0.020
0.027
0.037
0.060
K/W
TJ = TJ max.
Ordering Information Table
Device Code
ST 18 0 S 20 P 0
1234 5 678
1 - Thyristor
2 - Essential part number
3 - 0 = Converter grade
4 - S = Compression bonding Stud
5 - Voltage code: Code x 100 = VRRM (See Voltage Rating Table)
6 - P = Stud base 3/4"-16UNF2A threads
7 - 0 = Eyelet terminals (Gate and Auxiliary Cathode Leads)
1 = Fast - on terminals (Gate and Auxiliary Cathode Leads)
8 - V = Glass-metal seal (only up to 1200V)
None = Ceramic housing (over 1200V)
NOTE: For Metric device M16 x 1.5 Contact factory
4
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