LED displays
!Internal circuit schematic (example of common cathode)
COM
3,8
LA-501DN Series
a b c d e f g D.P
7 6 4 2 1 9 10 5
!Absolute maximum ratings (Ta = 25°C)
Parameter
Red
Orange
Green
Symbol
Unit
LA-501VD / VN LA-501DD / DN LA-501MD / MN
Power dissipation
PD
480
480
480
mW
Power dissipation
PD / seg
60
60
60
mW
Forward current
IF
Peak forward current
IFP
20
20
20
mA
60∗
60∗
60∗
mA
Reverse voltage
VR
5
5
5
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
Green
Symbol Conditions
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
Forward voltage
Reverse current
Peak wavelength
Spectral line half width
VF IF = 10mA − 2.0 2.8 − 2.0 2.8 − 2.1 2.8 V
IR
VR = 5V − − 100 − − 100 − − 100 µA
λP IF = 10mA − 650 − − 610 − − 563 − nm
∆λ IF = 10mA − 40 − − 40 − − 40 − nm
Not designed for radiation resistance.
! Luminous intensity
Color
λP
Red
650
Orange
610
Green
563
Note : Measured at IF = 10 mA
Type
Min. Typ. Max. Unit
LA-501VD
5.6
16
LA-501VN
−
mcd
LA-501DD
5.6
16
LA-501DN
−
mcd
LA-501MD
5.6
16
LA-501MN
−
mcd