DB4 Datasheet, PDF (2/2 Pages) Wing Shing Computer Components – SILICON BIDIRECTIONAL DIAC

DIAGRAM 1: Current-voltage characteristics
+IF
10mA
IBO
IB
-V
0.5 VBO
+V
V
VBO
-IF
FIG.1-Power dissipation versus ambient
temperature (maximum values)
P (mW)
160
140
120
100
80
60
40
20
Tamb( C)
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130
FIG.3-Peak pulse current versus pulse duration
(maximum values)
ITRM(A)
2
1
f=100Hz
TJ initial=25 C
0.1
0.01
10
tp(ms)
100
1000
10000
DB3/DC34/DB4/DB6
SILICON BIDIRECTIONAL DIAC
DIAGRAM 2: Test circuit for output voltage
220V
50Hz
10KW
500KW
0.1mF
D.U.T
VO
R=20W
DIAGRAM 3: Test circuit see diagram2 adjust R for
IP=0.5A
90%
IP
10%
tr
FIG.2-Relative variation of VBO versus junction
temperature(typical values)
VBO(TJ)
VBO(TJ=25 C)
1.08
1.06
1.04
1.02
TJ_1(25C)
1.00
25
50
75
100
125
2