LB-403DN Series
LED displays
!
Internal circuit schematic
(example of common cathode)
Dig.1
3 29
a1
28
b1
27
c1
4
d1
2
e1
1
f1
30
g1
26
D.P1
5
COM
Dig.2
8 24
a2
23
b2
22
c2
9
d2
7
e2
6
f2
25
g2
21
D.P2
10
COM
Dig.3
13 18
a3
17
b3
16
c3
14
d3
12
e3
11
f3
19
g3
20
D.P3
15
COM
!
Absolute maximum ratings
(Ta=25
°
C)
1344
56
20
60
5
Parameter
Symbol
P
D
P
D
/ seg
I
F
I
FP
V
R
Topr
Tstg
Red
LB-403VD / VN
Unit
mW
mW
mA
mA
V
C
C
1344
56
20
60
5
1344
56
20
60
5
Orange
LB-403DD / DN
Green
LB-403MD / MN
25
~+
75
30
~+
85
Power dissipation
Power dissipation
Forward current
Peak forward current
Reverse voltage
Operating temperature
Storage temperature
Pulse width 1ms duty 1 / 5
!
Electrical and optical characteristics
(Ta=25
°
C)
Not designed for radiation resistance.
Symbol
Unit
Parameter
Red
Spectral line half
width
λ
nm
Peak wavelength
λ
P
nm
Reverse current
I
R
μ
A
Forward voltage
V
F
Conditions
I
F
=
10mA
I
F
=
10mA
V
R
=
3V
I
F
=
10mA
Min.
40
650
2.0
Typ.
100
2.8
Max.
Orange
Min.
40
610
2.0
Typ.
100
2.8
Max.
Green
Min.
40
563
2.1
Typ.
100
2.8
Max.
V
!
Luminous intensity
Green
λ
P
Unit
Color
Red
650
Type
LB-403VN
LB-403VD
Min.
3.6
Typ.
10
Max.
mcd
Orange
610
LB-403DD
2.2
6.3
mcd
563
LB-403MN
LB-403MD
5.6
16
mcd
Note : Measured at I
F
=10mA