Rohm LB-502DN High efficiency, two-digit numeric display Datasheet

LB-502DN Series
LED displays
High efficiency, two-digit numeric displays
LB-502DN Series
zExternal Dimensions (Unit: mm)
The LB-502DN series were designed to meet the need
for multi-digit numeric displays. These LED numeric
displays use GaAsP on GaP for the emitting material
(with the exception of green) and are housed in an epoxy
resin package. They are two-digit displays with a
character height of 13.0mm.
25.0
12.7
(15.24)
2−φ1.25
0.5
(2.54)
(20.32)
3.5Min.
7.0
1.25
7.4
0.25
zFeatures
1) Height of character: 13.0mm
2) Common anode and common cathode configurations
are available for each color.
3) High efficiency reflectors are used to achieve a bright,
clear display.
4) The package surface is painted black and the
segments are colored the display color.
13.0
17.5
1.25
10˚
Tolerances are ±0.2 unless otherwise noted :
zSelection guide
Emitting color
Orange
Red
Green
Common
LB-502VD
LB-502DD ∗
LB-502MD
LB-502VN
Cathode
∗ Order-based production.
LB-502DN ∗
LB-502MN
Anode
zPin assignments
18 17 16 15 14 13 12 11 10
+
+
+
+
+
+
+
+
+
a1
a2
f1
f2
b1
b2
g1
e1
g2
c1
e2
c2
d1
+
Pin No. 1
d2
Digit 1 D.P1
+
+
+
+
+
2
6
3
4
5
Digit 2 D.P2
+
+
+
7
8
Pin No.
Function
Pin No.
Function
1
2
3
4
5
6
7
8
9
Segment "e1"
Segment "d1"
Segment "c1"
D.P1
Segment "e2"
Segment "d2"
Segment "g2"
Segment "c2"
D.P2
10
11
12
13
14
15
16
17
18
Segment "b2"
Segment "a2"
Segment "f2"
Digit 2 Common
Digit 1 Common
Segment "b1"
Segment "a1"
Segment "g1"
Segment "f1"
9
Rev.A
1/2
LB-502DN Series
LED displays
zInternal circuit schematic (example of common anode)
Dig.1
14
Dig.2
13
COM
COM
a2 b2 c2 d2 e2 f2 g2 D.P2
11 10 8 6 5 12 7 9
a1 b1 c1 d1 e1 f1 g1 D.P1
16 15 3 2 1 18 17 4
zAbsolute maximum ratings (Ta=25°C)
Parameter
Red
Symbol
Orange
Green
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
mA
Forward current
IF
20
20
Peak forward current
IFP
60∗
60∗
20
60∗
Reverse voltage
VR
5
5
5
mA
V
Operating temperature
Topr
−25∼+75
˚C
Storage temperature
Tstg
−30∼+85
˚C
∗ Pulse width 1ms duty 1 / 5
zElectrical and optical characteristics (Ta=25°C)
Parameter
Red
Symbol Conditions
Min.
VF
Forward voltage
IF=10mA
−
Green
Orange
Typ. Max. Min.
2.0
2.8
−
Typ. Max. Min.
2.0
2.8
−
Typ. Max.
2.1
2.8
Unit
V
Reverse current
IR
VR=5V
−
−
100
−
−
100
−
−
100
µA
Peak wavelength
λP
IF=10mA
−
650
−
−
610
−
−
563
−
nm
Spectral line half
width
∆λ
IF=10mA
−
40
−
−
40
−
−
40
−
nm
Not designed for radiation resistance.
zLuminous intensity
λP
Color
Red
650
Type
LB-502VD
Min.
Typ.
Max.
Unit
5.6
16
−
mcd
5.6
16
−
mcd
9.0
25
−
mcd
LB-502VN
Orange
610
LB-502DD
LB-502DN
Green
563
LB-502MD
LB-502MN
Note : Measured at IF=10mA
Rev.A
2/2
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
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