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LB-502DN_09 Datasheet, PDF (2/4 Pages) Rohm – High efficiency, two-digit numeric displays | |||
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LED displays
zInternal circuit schematic (example of common anode)
Dig.1 COM
14
Dig.2 COM
13
LB-502DN 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
Green
Symbol
Unit
LB-502VD / VN LB-502DD / DN LB-502MD / MN
Power dissipation
PD
960
960
960
mW
Power dissipation
PD / seg
60
60
60
mW
Forward current
IF
Peak forward current
IFP
20
20
20
mA
60â
60â
60â
mA
Reverse voltage
VR
5
5
5
V
Operating temperature
Topr
â25â¼+75
ËC
Storage temperature
Tstg
â30â¼+85
ËC
â Pulse width 1ms duty 1 / 5
zElectrical 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 â 2.0 2.8 â 2.0 2.8 â 2.1 2.8 V
Reverse current
IR
VR=5V â â 100 â â 100 â â 100 µA
Peak wavelength λP IF=10mA â 650 â â 610 â â 563 â nm
Spectral line half
width
âλ IF=10mA â 40 â
â 40 â
â 40 â nm
Not designed for radiation resistance.
zLuminous intensity
Color
λP
Red
650
Orange
610
Green
563
Note : Measured at IF=10mA
Type
Min. Typ. Max. Unit
LB-502VD
5.6
16
LB-502VN
â
mcd
LB-502DD
5.6
16
LB-502DN
â
mcd
LB-502MD
9.0
25
LB-502MN
â
mcd
Rev.C
2/3
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