Formosa MS
LLDB3
Formosa MS
1
DIAC
Features
1. V
BO
: 32V
2. Breakover voltage range: 28 to 36V
Applications
Functioning as a trigger diode with a fixed voltage
reference, the LLDB3 can be used in conjunction
with triacs for simplified gate control circuits or as
a starting element in fluorescent lamp ballasts.
Absolute Maximum Ratings
(Limiting values)
Parameter
Symbol
Value
Unit
Repetitive peak on-state current (tp=20
s F=120 Hz)
I
TRM
2
A
Operating junction temperature range
T
j
-40 ~ +125
?
Storage temperature range
T
stg
-40 ~ +125
?
Formosa MS
LLDB3
Formosa MS
2
Electrical Characteristics
(T
j
=25
?
unless otherwise specified)
Parameter
Symbol
Test Conditions
Value
Unit
MIN.
28
TYP.
32
Breakover voltage*
V
BO
C=22nF**
MAX.
36
V
Breakover voltage symmetry
|V
BO1
-V
BO2
| C=22nF**
MAX.
3
V
Dynamic breakover voltage*
?
V
V
BO
and V
F
at 10mA
MIN.
5
V
Output voltage*
V
O
see diagram 2(R=20
O
)
MIN.
5
V
Breakover current*
I
BO
C=22nF**
MAX.
50
A
Rise time*
tr
see diagram 3
MAX.
2
s
Leakage current*
I
R
V
R
=0.5V
BO
max
MAX.
10
A
*Applicable to both forward and reverse directions.
**Connected in parallel to the device.
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