DB4
BIDIRECTIONAL TRIGGER DIODE
Features
●
●
DO-35
V
BO
: 40V
Breakover voltage range : 35 to 45V
0.079(2.0)
MAX
1.0 2(26.0)
MIN.
0.165 (4.2)
MAX
Applications
Functioning as a trigger diode with a fixed voltage
reference, the DB4 can be used in conjunction
with triacs for simplified gate control circuits or as
a starting element in fluorescent lamp ballasts.
0.020(0.52)
TYP
1.0 2(26.0)
MIN.
All Dimensions in mm
Absolute Maximum Ratings
(Limiting values)
Parameter
Repetitive peak on-state current (tp=20μ s F=120 Hz)
Operating junction temperature range
Storage temperature range
Symbol
I
TRM
T
j
T
stg
Value
2
-40 ~ +125
-40 ~ +125
Unit
A
℃
℃
Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the
recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may
affect device reliability.
Electrical Characteristics
(T
j
=25℃ unless otherwise specified)
Parameter
Breakover voltage*
Symbol
V
BO
C=22nF**
Test Conditions
MIN.
TYP.
MAX.
Breakover voltage symmetry
Dynamic breakover voltage*
Output voltage*
Breakover current*
Rise time*
Leakage current*
|V
BO1
-V
BO2
|
△V
V
O
I
BO
tr
I
R
C=22nF**
V
BO
and V
F
at 10mA
see diagram 2(R=20Ω )
C=22nF**
see diagram 3
V
R
=0.5V
BO
max
MAX.
MIN.
MIN.
MAX.
MAX.
MAX.
Value
35
40
45
±3
5
5
50
2
10
V
V
V
μ
A
μ
s
μ
A
Unit
V
*Applicable to both forward and reverse directions.
**Connected in parallel to the device.
DIOTECH [ DIOTECH COMPANY. ]
