ROHM LD-603

LD-603 Series
LED displays
Flat displays
LD-603 Series
!External Dimensions (Units : mm)
The LD-603 series were designed in response to the
need for large, flat displays. These are two-chip, flat
displays with high luminance.
15.0
0.6
Pin No.1 2 3
(2.5) (2.5)
Pin No.1
6.7±0.5
(0.7)
Cathode mark
0.6
5.6±0.2
0.3
6.8±0.2
8.0
!Features
1) 6.8×13.8mm planar emission from two chips
connected in series.
2) High luminance, uniform planar emission
3) Thin outer casing, multiple units can be coupled
together.
4) Four colors are available : red, orange, yellow and
green.
(1.8)
13.8±0.2
2
3
Tolerances are ±0.3 unless otherwise noted :
!Selection guide
Emitting color
Type
Red
Orange
Yellow
Green
LD-603VR
LD-603DU ∗
LD-603YY ∗
LD-603MG
∗ Order-based production.
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Green LD-603MG
Unit
Power dissipation
PD
120
120
120
150
mW
Forward current
Red
LD-603VR Orange LD-603DU Yellow LD-603YY
IF
20
20
20
25
mA
Peak forward
current
IFP
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
LD-603 Series
LED displays
!Electrical and optical characteristics (Ta=25°C)
Parameter
Red
Symbol Conditions
Orange
Yellow
Green
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
Unit
Forward voltage
VF
IF=10mA
−
4.0
5.6
−
4.0
5.6
−
4.2
5.6
−
4.2
5.6
V
Reverse current
IR
VR=3V
−
−
10
−
−
10
−
−
10
−
−
10
µA
Peak wavelength
λP
IF=10mA
−
650
−
−
610
−
−
585
−
−
563
−
nm
Spectral line half
width
∆λ
IF=10mA
−
40
−
−
40
−
−
40
−
−
40
−
nm
Electrical and optical are guaranteed values per element.
!Luminous intensity vs. wavelength
Axial Luminous Intensity
1.0
0.8
Green
Yellow
Red
Orange
0.6
0.4
0.2
0
500
550
600
650
700
750
Wavelength : λP (nm)
!Luminous intensity
Type
Min.
Typ.
Max.
Unit
Red
LD-603VR
1.4
4.0
−
mcd
Orange
LD-603DU
2.2
6.3
−
mcd
Yellow
LD-603YY
2.2
6.3
−
mcd
Green
LD-603MG
2.2
6.3
−
mcd
Color
Note 1: Measured at IF = 10mA
Note 2: Current passes through 2 elements.
!Operation notes
When forming leads, the bend should be at least 2 mm from the base of the package. Solder after forming the leads, and
ensure that the inside of the LED is not subjected to mechanical stress while it is hot.