LA-101AK Series
LED displays
1/2
High efficiency, single-digit numeric
displays
LA-101AK Series
The LA-101AK series are LED numerical displays
designed to allow use even in bright locations. The
height of the character is 25.4 mm, and two colors are
available: red and green. These displays are designed
for use in large numerical displays.
!
Features
1) Height of character: 25.4 mm
2) Dimensions: 24 x 34 x 10.5 mm
3) A common anode configuration and a common
cathode configuration are available for each color.
4) The package surface is painted black and the
segments are colored the display color.
5) High luminance, clear display.
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!
!
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External Dimensions (Units: mm)
Tolerances are 0.3 unless otherwise noted :
2.5
14.1
2.5
25.4
3.5Min.
10.5
0.2
(10.16)
(2.54)
(30.5)
24.0
0.2
10
34.0
0.2
3.2
0.5
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!
!
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Selection guide
LA-101MA
LA-101MK
Green
Emitting color
Common
Anode
Cathode
Red
LA-101VA
LA-101VK
!
!
!
!
Pin assignments
Pin No.
a
g
d
f
b
e
c
D.P
+ + + + +
+ + + + +
10 9 8
7
6
1
2
3
4 5
Segment "e"
Segment "d"
Common
Segment "c"
D.P
Segment "b"
Segment "a"
Common
Segment "f"
Segment "g"
1
2
3
4
5
6
7
8
9
10
Function
Pin No.
LA-101AK Series
LED displays
2/2
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!
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!Internal circuit schematic (example of common cathode)
COM
3,8
a
7
b
6
c
4
d
2
e
1
f
9
g
10
D.P
5
!
!
!
!
Absolute maximum ratings (Ta=25
C)
Green
LA-101MA / MK
640
85 (45)
20
60
3
Parameter
Symbol
P
D
P
D
/ seg
I
F
I
FP
V
R
Topr
Tstg
Red
LA-101VA / VK
Unit
mW
mW
mA
mA
V
C
C
640
85 (45)
15
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
( ) is D.P value
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!
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Electrical and optical characteristics (Ta=25
C)
Green
-
-
-
-
Min.
40
563
-
4.2
Typ.
-
-
100
2.8
Max.
Not designed for radiation resistance.
The forward voltage and reverse current values are the guaranteed values per element.
Symbol
Unit
Parameter
Red
Spectral line half
width
-
nm
Peak wavelength
P
-
nm
Reverse current
I
R
-
A
Forward voltage
V
F
Conditions
I
F
=10mA
I
F
=10mA
V
R
=3V
I
F
=10mA
-
Min.
40
650
-
4.0
Typ.
-
-
100
2.8
Max.
V
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Luminous intensity
Green
563
LA-101MK
LA-101MA
5.6
16
-
mcd
P
Unit
Color
Red
650
Type
LA-101VK
LA-101VA
Min.
3.6
Typ.
10
Max.
-
mcd
Note : Measured at I
F
=10mA
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