181RKI Series
∆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°
0.050
0.063
0.080
0.118
0.225
0.032
0.059
0.082
0.124
0.228
K/W
TJ = TJ max.
Ordering Information Table
Device Code
18 1 RKI 100
12 34 5 6
1 - IT(AV) rated average output current (rounded/10)
12
2 - 0 = Eyelet terminals (Gate and Auxiliary Cathode Leads)
1 = Fast - on terminals (Gate and Auxiliary Cathode Leads)
2 = Flag terminals (For Cathode and Gate Terminals)
3 - Thyristor
4 - Voltage code: Code x 10 = VRRM (See Voltage Rating Table)
5 - None = Stud base UNF 3/4 - 16UNF threads
6 - Critical dv/dt: None = 500V/µsec
S90 = 1000V/µsec
Outline Table
GLASS-METAL SEAL
FLAG TERMINAL
18 (0.71)
11 (0.43)
DIA. 6.5 (0.26)
1.5 (0.06) DIA.
DIA. 28 (1.1) MAX.
2222222222222
SW 32
3/4"-16UNF-2A
Case Style TO-209AB (TO-93) Flag
All dimensions in millimeters (inches)
3 (0.12)
4