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LESHAN RADIO COMPANY, LTD.
BI-DIRECTIONAL TRIGGER DIODES
DO-35 DO-35 GLASS-SEALED BI-DIRECTIONAL TRIGGER DIODES
Symbol Parameter Test Condition Type DB-3 DB-4 DB-6 DB-3 DB-4 DB-6 DB-3 DB-4 DB-6 Min 28 35 56 Typ 32 40 60 Max 36 45 70 3 3 4 Unit Package mm
+VBO - -VBO V VO
Breakover Voltage Symmetry Dynamic Breakback Voltage See Fig 1
V
V
1.8 0.2
See Fig 1
Output Voltage
See Fig 2
5
V
I BO
100 Breakdown Current 1.5 Rise Time See Fig 3 Vm=0.5VBO(Max) 10 Leakage Current See Fig 1
A
tr
S DO - 35 (mm)
IB
A
LIMITING VALUES
Symbol Parameter Value Unit
PC
Power Dissipation
t a =50C
DB-3 DB-4 DB-6
150
2.0 2.0 16
mW A
I Fmax
t p =10s 120pps Peak Pulse Current T a < 40C
Tr Storage and Operating Junction Temperatuer Range TJ
40 to 125 40 to 110
C
29 1
3.8 0.2
I= IBO toIF=10mA
5 5 10
29 1
Breakdown Voltage
See Fig 1
0.5 0.1
V BO
V
9B-1/2
LESHAN RADIO COMPANY, LTD.
DO-35 DO-35 GLASS-SEALED BI-DIRECTIONAL TRIGGER DIODE
+I F 90% 10mA 10K 500K DIAC
IP
-V
I BO IB 0.5VBO V
+V V BO
220V 50Hz
10% 0.1F VO 20 tr
FIG-2
-I F
Test circuit for output voltage
2, R, I P=0.5A Test circuit see diagram 2. Adjust R for I =0.5A FIG-3
FIG-1 I - V Current - voltage characterisitics
160
mW
load up to 1500 watts
120
3.3K 200K 120V 50Hz DIAC TRIAC
60 40 Tamp(C)
0.1F 100V
0 0 50 100
FIG-4 DIAC-TRIAC Typical DIAC-TRIAC full-wave Phase control
FIG-5 Power dissipation versus ambient temperature(maximum values)
1.1
VBO ( TJ ) I VBO ( TJ =25C )
2 1 0.5
1.08 1.06 1.04
F=100Hz T J =25C
0.2 0.1 0.05
1.02 T(C) 1 25 50 75 100
0.02 0.01 10 10 2 10 3
t ps 10 4
FIG-7 Peak pulse Current versus pulse duration (maximum values)
FIG-6 V BO Relative variation of VBO versus junction temperature (typical values)
9B-2/2

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