LESHAN RADIO COMPANY, LTD.
9B1/2
Power Dissipation
Peak Pulse Current
Storage and Operating Junction Temperatuer Range
D O - 3 5
DO-35 GLASS-SEALED BI-DIRECTIONAL TRIGGER DIODES
LIMITING VALUES
BI-DIRECTIONAL
TRIGGER DIODES
Symbol
Package
mm
V
BO
+V
BO
V
BO
V
V
O
I
BO
t
r
I
B
Min
Parameter
Test Condition
Type
Typ
Breakdown Voltage
Breakover Voltage
Symmetry
Dynamic Breakback
Voltage
Output Voltage
Breakdown Current
Rise Time
Leakage Current
See Fig 1
See Fig 1
I =
I
BO
toI
F=
10mA
See Fig 1
See Fig 2
See Fig 3
Vm=0.5V
BO
(Max)
See Fig 1
DB-3
DB-4
DB-6
DB-3
DB-4
DB-6
DB-3
DB-4
DB-6
2 8
3 5
5 6
5
5
1 0
5
3 2
4 0
6 0
1.5
3 6
4 5
7 0
3
3
4
1 0 0
1 0
V
V
V
V
A
S
A
DO 35
(mm)
1.8
0.2
29
1
3.8
0.2
29
1
0.5
0.1
Max
Unit
Symbol
P
C
I
Fmax
T
r
T
J
Parameter
150
t
a
=50C
t
p
=10
s
120pps
T
a
< 40C
DB-3
DB-4
DB-6
2.0
2.0
1 6
Value
Unit
mW
A
C
40 to 125
40 to 110
LESHAN RADIO COMPANY, LTD.
9B2/2
D O - 3 5
DO-35 GLASS-SEALED BI-DIRECTIONAL TRIGGER DIODE
FIG-4
DIAC-TRIAC
Typical DIAC-TRIAC full-wave Phase control
F I G - 5
Power dissipation versus ambient temperature(maximum values)
load up to 1500 watts
TRIAC
DIAC
3.3K
120V
50Hz
0.1
F
100V
200K
mW
160
120
6 0
4 0
0
0
5 0
1 0 0
Tamp(C)
FIG-6 V
B O
Relative variation of V
BO
versus junction temperature
(typical values)
FIG-7
Peak pulse Current versus pulse duration
(maximum values)
T
(
C
)
1.1
1.08
1.06
1.04
1.02
1
2 5
5 0
7 5
1 0 0
V
BO
( T
J
) I V
BO
( T
J
=25C )
F=100Hz
T
J
=25
C
t
p
s
2
1
0.5
0.2
0.1
0.05
0.02
0.01
1 0
10
2
10
3
10
4
FIG-1 I - V
Current - voltage characterisitics
FIG-2
Test circuit for output voltage
FIG-3
2,
R,
I
P
=0.5A
Test circuit see diagram 2. Adjust
R for I
=0.5A
220V
50Hz
10K
500K
DIAC
20
V
O
0.1
F
90%
10%
I
P
t
r
+I
F
10mA
I
BO
I
B
-I
F
+V
-V
V
0.5V
BO
V
BO
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