LED displays
!Internal circuit schematic (example of common cathode)
Dig.1
1
Dig.2
8
Dig.3
7
LB-203BL Series
5 9 12 2
D.P g f e
3 4 10 11
dc ba
!Absolute maximum ratings (Ta=25°C)
Parameter
Red
Orange
Yellow
Green
Symbol
Unit
LB-203VB / VL LB-203DB / DL LB-203YB / YL LB-203MB / ML
Power dissipation
PD
960
960
960
960
mW
Power dissipation
PD / seg
40
40
40
60
mW
Forward current
IF
Peak forward current
IFP
15
15
15
15
mA
60∗
60∗
60∗
60∗
mA
Reverse voltage
VR
3
3
3
3
V
Operating temperature
Topr
−25∼+75
˚C
Storage temperature
Tstg
−30∼+85
˚C
∗ Pulse width 1ms duty 1 / 5
!Electrical and optical characteristics (Ta=25°C)
Parameter
Red
Orange
Yellow
Green
Symbol Conditions
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
Forward voltage
VF IF=10mA − 2.0 2.8 − 2.0 2.8 − 2.1 2.8 − 2.1 2.8 V
Reverse current
IR
VR=3V − − 100 − − 100 − − 100 − − 100 µA
Peak wavelength
Spectral line half
width
λP IF=10mA − 650 −
∆λ IF=10mA − 40 −
− 610 −
− 40 −
− 585 −
− 40 −
− 563 − nm
− 40 − nm
Not designed for radiation resistance.
!Luminous intensity
Color
λP
Red
650
Orange
610
Yellow
585
Green
563
Note : Measured at IF=10mA
Type
LB-203VB
LB-203VL
LB-203DB
LB-203DL
LB-203YB
LB-203YL
LB-203MB
LB-203ML
Min. Typ. Max. Unit
2.2
6.3
−
mcd
2.2
6.3
−
mcd
2.2
6.3
−
mcd
2.2
6.3
−
mcd