LB-402DN_1 Datasheet, PDF (2/3 Pages) Rohm – High efficiency, two-digit numeric displays

LED displays
zInternal circuit schematic (example of common anode)
Dig.1 COM
14
Dig.2 COM
13
LB-402DN Series
a1 b1 c1 d1 e1 f1 ^g1 D.P1
16 15 3 2 1 18 17 4
a2 b2 c2 d2 e2 f2 ^g2 D.P2
11 10 8 6 5 12 7 9
zAbsolute maximum ratings (Ta = 25°C)
Parameter
Red
Orange
Yellow
Green
Symbol
Unit
LB-402VD / VN LB-402DD / DN LB-402YD / YN LB-402MD / MN
Power dissipation
PD
640
640
640
960
mW
Power dissipation
PD / seg
40
40
40
60
mW
Forward current
IF
15
15
15
20
mA
Peak forward current
IFP
60^∗
60^∗
60^∗
60^∗
mA
Reverse voltage
VR
5
Operating temperature
Topr
Storage temperature
Tstg
∗ Pulse width 1ms duty 1 / 5
5
5
−25~+75
−30~+85
5
V
°C
°C
z 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 λP IF = 10mA − 650 − − 610 − − 585 − − 563 − nm
Spectral line half
width
∆λ IF = 10mA − 40 −
− 40 −
− 40 −
− 40 − nm
Not designed for radiation resistance.
z Luminous intensity
Color
λP
Red
650
Orange
610
Yellow
585
Green
563
Note : Measured at IF = 10mA
Type
Min. Typ. Max. Unit
LB-402VD
5.6
16
LB-402VN
−
mcd
LB-402DD
3.6
10
LB-402DN
−
mcd
LB-402YD
3.6
10
LB-402YN
−
mcd
LB-402MD
9.0
25
LB-402MN
−
mcd
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