Single Digit LED Numeric Display
LA-401 D / N Series
SIM-013STW1
Datasheet
LA-401 D / N series is developed because of the demand for small single digit LED Numeric Display.
Materials of emission are GaAsP on GaP, AlGalnP and GaP. This is the height of a letter 10.16mm,
single digit LED Numeric Display that is packed by EPOXY resin.
lFeatures
1) The height of a letter is 10.16mm.
2) Dimension is 9.6×13.0×7.0mm.
3) The package of surface color is black. Color of segment is colored in emitting color.
4) Each color has anode common and cathode common respectively.
lDimensions
(Unit : mm)
lPin
assignments
Pin No.
1
2
3
4
5
6
7
8
9
10
Function
Common
Segment "f"
Segment "g"
Segment "e"
Segment "d"
Common
D.P
Segment "c"
Segment "b"
Segment "a"
lInternal
circuit schematic
lSelection
guide
Emitting color
Red
Orange
Yellow
Red
Green
(High brightness) (High brightness) (High brightness)
Common
Anode
LA-401VD LA-401AD LA-401ED LA-401XD LA-401MD
Cathode
LA-401VN LA-401AN LA-401EN LA-401XN LA-401MN
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© 2015 ROHM Co., Ltd. All rights reserved.
1/4
2017.03 - Rev.D
LA-401 D / N Series
lAbsolute
maximum ratings
(T
a
= 25°C)
Parameter
Power dissipation
Datasheet
Symbol
P
D
Red
Red
Orange
Yellow
(High brightness)
(High brightness) (High brightness)
Green
Unit
mW
mW
mA
mA
V
°C
°C
LA-401VD / VN LA-401AD / AN
LA-401ED / EN LA-401XD / XN
LA-401MD / MN
320
40
15
60 *
1
5
520
65
25
50 *
2
5
520
65
25
50 *
2
5
-25
to
+75
-30
to
+85
520
65
25
50 *
2
5
480
60
20
60 *
1
5
Power dissipation
P
D
/ seg
Forward current
Peak forward current
I
F
I
FP
V
R
T
opr
T
stg
Reverse voltage
Operating temperature
Storage temperature
*
1
Pulse width 1ms, duty 1 / 5
*
2
Pulse width 0.1ms, duty 1 / 10
lElectrical
and optical characteristics
(T
a
= 25°C)
Parameter
Forward voltage
Reverse current
Peak wavelength
Spectral line halfwidth
Symbol
Conditions
V
F
I
R
l
p
Dl
I
F
=10mA
V
R
=3V
Red
Red
Orange
Yellow
(High brightness) (High brightness) (High brightness)
Green
Unit
V
mA
nm
nm
Typ. Max. Typ. Max. Typ. Max. Typ. Max. Typ. Max.
2.0
-
2.8
2.05*
2.6*
2.05*
2.6*
2.05*
2.6* 2.1
100
-
-
-
626*
2.8
100
-
-
100
-
-
-
610*
100
-
-
-
589*
100
-
-
-
563
40
I
F
=10mA 650
I
F
=10mA
40
18*
17*
15*
◎
Not designed for radiation resistance.
* Shows the number on the condition of I
F
=20mA.
lLuminous
intensity
Parameter
Red
Red
(High brightness)
l
p
650
626
610
589
563
Type
LA-401VD
LA-401VN
LA-401AD
LA-401AN
LA-401ED
LA-401EN
LA-401XD
LA-401XN
LA-401MD
LA-401MN
Min.
5.6
36
36
36
5.6
Typ.
16
90
90
90
16
Max.
-
-
-
-
-
Unit
mcd
mcd
mcd
mcd
mcd
Orange
(High brightness)
Yellow
(High brightness)
Green
◎
Condition I
F
=10mA
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© 2015 ROHM Co., Ltd. All rights reserved.
2/4
2017.03 - Rev.D
Notice
Notes
1) The information contained herein is subject to change without notice.
2) Before you use our Products, please contact our sales representative and verify the latest specifica-
tions :
3) Although ROHM is continuously working to improve product reliability and quality, semicon-
ductors can break down and malfunction due to various factors.
Therefore, in order to prevent personal injury or fire arising from failure, please take safety
measures such as complying with the derating characteristics, implementing redundant and
fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no
responsibility for any damages arising out of the use of our Poducts beyond the rating specified by
ROHM.
4) Examples of application circuits, circuit constants and any other information contained herein are
provided only to illustrate the standard usage and operations of the Products. The peripheral
conditions must be taken into account when designing circuits for mass production.
5) The technical information specified herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly,
any license to use or exercise intellectual property or other rights held by ROHM or any other
parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of
such technical information.
6) The Products are intended for use in general electronic equipment (i.e. AV/OA devices, communi-
cation, consumer systems, gaming/entertainment sets) as well as the applications indicated in
this document.
7) The Products specified in this document are not designed to be radiation tolerant.
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below), please contact and consult with a ROHM representative : transportation equipment (i.e.
cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety
equipment, medical systems, servers, solar cells, and power transmission systems.
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equipment, nuclear power control systems, and submarine repeaters.
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the recommended usage conditions and specifications contained herein.
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shall have no responsibility for any damages arising from any inaccuracy or misprint of such
information.
12) Please use the Products in accordance with any applicable environmental laws and regulations,
such as the RoHS Directive. For more details, including RoHS compatibility, please contact a
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