LB-303AK Datasheet, PDF (2/2 Pages) Rohm – High efficiency, three-digit numeric displays

LED displays
!Internal circuit schematic (example of common anode)
a b c d e f g D.P
9 7 1 3 10 8 11 6
LB-303AK Series
2 Dig.1
4 Dig.2
5 Dig.3
!Absolute maximum ratings (Ta = 25°C)
Parameter
Red
Orange
Green
Symbol
LB-303VA / VK LB-303DA / DK LB-303MA / MK
Unit
Power dissipation
PD
960
960
1440
mW
Power dissipation
PD / seg
40
40
60
mW
Forward current
IF
Peak forward current
IFP
15
15
20
mA
60^∗
60^∗
60^∗
mA
Reverse voltage
VR
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
Green
Symbol Conditions
Unit
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 V
Reverse current
IR
VR = 3V −
− 100 −
− 100 −
− 100 µA
Peak wavelength
λP IF = 10mA − 650 − − 610 − − 563 − nm
Spectral line half width ∆λ IF = 10mA − 40 −
Not designed for radiation resistance.
− 40 −
− 40 − nm
! Luminous intensity
Color
λP
Red
650
Orange
610
Green
563
Note : Measured at IF = 10mA
Type
LB-303VA
LB-303VK
LB-303DA
LB-303DK
LB-303MA
LB-303MK
Min. Typ. Max. Unit
1.4
4.0
−
mcd
1.4
4.0
−
mcd
2.2
6.3
−
mcd