LA-401DN Series
LED displays
High ef ficiency, single-digit numeric
displays
LA-401DN Series
The LA-401DN series were designed to meet the need
for small single-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 single-digit displays
with a character height of 10.16 mm.
zFeatures
1) Hei ght of ch aracter : 10.1 6 mm
2) Common anode and common cathode configurations
are available for each color .
3) Each segment has independent pin connections and
static drive is possible.
4) High-efficiency reflectors are used to achieve a bright,
clear display.
5) The package surface is painted black and the
segment s are co lored th e display color.
z
zz
zExternal Dimensions (Unit s: mm )
Tolerances are ±0.2 unless otherwise noted :
(10.16)
(7.62)
0.25
7.03.5Min.
0.5
(2.54)
9.6
10°
13.0
10.16
1.0
φ1.0
5.57
1.0
z
zz
zSel ection gu ide
Emitting color
Common
Anode
Cathode
Red
LA-401VD
LA-401VN
Orange
LA-401DD ∗
LA-401DN ∗
∗ Order-based production.
Green
LA-401MD
LA-401MN
z
zz
zPin assignments
Pin No.
1 +
2 +
3 +
4 +
5 +
+ 10
+ 9
+ 8
+ 7
+ 6
D.P
a
d
g
b
f
ce
Function
Pin No.
1
2
3
4
5
6
7
8
9
10
Common
Segment "f"
Segment "g"
Segment "e"
Segment "d"
Common
D.P
Segment "c"
Segment "b"
Segment "a"
LA-401DN Series
LED displays
z
zz
zInternal circuit schematic (example of common anode)
COM
1,6
a
10 b
9c
8d
5e
4f
2g
3D.P
7
z
zz
zAbsolute maximum ratings (Ta=25°C)
Parameter Symbol
P
D
P
D
/ seg
I
F
I
FP
V
R
Topr
Tstg
Red
LA-401VD / VN Unit
mW
mW
mA
mA
V
˚C
˚C
320
40
15
60∗
3
Orange
LA-401DD / DN
320
40
15
60∗
3
Green
LA-401MD / MN
480
60
20
60∗
3
−25∼+75
−30∼+85
Power dissipation
Power dissipation
Forward current
Peak forward current
Reverse voltage
Operating temperature
Storage temperature
∗
Pulse width 1ms duty 1 / 5
z
zz
zElectrical and optical characteristics (Ta=25°C)
Not designed for radiation resistance.
Symbol Unit
Parameter Red
Spectral line half
width
∆λ
−nm
Peak wavelength
λP
−nm
Reverse current I
R
−µA
Forward voltage V
F
Conditions
I
F=
10mA
I
F=
10mA
V
R=
3V
I
F=
10mA −
Min.
40
650
−
2.0
Typ.
−
−
100
2.8
Max.
Orange
−
−
−
−
Min.
40
610
−
2.0
Typ.
−
−
100
2.8
Max.
Green
−
−
−
−
Min.
40
563
−
2.1
Typ.
−
−
100
2.8
Max.
V
z
zz
zLuminous intensity
Green
λ
P
UnitColor
Red 650
Type
LA-401VN
LA-401VD
Min.
5.6
Typ.
16
Max.
−mcd
Orange 610 LA-401DN
LA-401DD 3.6 10 −mcd
563 LA-401MN
LA-401MD 5.6 16 −mcd
Note : Measured at IF=10mA