Rohm LA-101AK High efficiency, single-digit numeric display Datasheet

LA-101AK Series
LED displays
High efficiency, single-digit numeric
displays
LA-101AK Series
2.5
14.1
(30.5)
25.4
34.0±0.2
2.5
24.0±0.2
10˚
φ3.2
10.5±0.2
!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.
!External Dimensions (Units: mm)
φ0.5
(2.54)
(10.16)
3.5Min.
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.
Tolerances are ±0.3 unless otherwise noted :
!Selection guide
Emitting color
Red
Green
Anode
LA-101VA
LA-101MA
Cathode
LA-101VK
LA-101MK
Common
!Pin assignments
10 9 8 7 6
+ + + + +
a
Pin No.
f
b
g
e
+
Pin No. 1
c
d
D.P
+ + + +
2 3 4 5
1
2
3
4
5
6
7
8
9
10
Function
Segment "e"
Segment "d"
Common
Segment "c"
D.P
Segment "b"
Segment "a"
Common
Segment "f"
Segment "g"
LA-101AK Series
LED displays
!Internal circuit schematic (example of common cathode)
COM
3,8
a b c d e f g
7 6 4 2 1 9 10
D.P
5
!Absolute maximum ratings (Ta=25°C)
Parameter
Red
Symbol
Green
Unit
LA-101VA / VK LA-101MA / MK
Power dissipation
PD
640
640
mW
Power dissipation
PD / seg
85 (45)
85 (45)
mW
Forward current
IF
Peak forward current
IFP
15
60∗
20
60∗
mA
VR
6 (3)
Reverse voltage
mA
6 (3)
V
Operating temperature
Topr
−25∼+75
˚C
Storage temperature
Tstg
−30∼+85
˚C
∗ Pulse width 1ms duty 1 / 5
( ) is D.P value
!Electrical and optical characteristics (Ta=25°C)
Parameter
Red
Symbol Conditions
Min.
VF
Forward voltage
IF=10mA
−
Green
Typ. Max. Min.
2.0
2.8
−
Typ. Max.
2.1
2.8
Unit
V
Reverse current
IR
VR=3V
−
−
100
−
−
100
µA
Peak wavelength
λP
IF=10mA
−
650
−
−
563
−
nm
Spectral line half
width
∆λ
IF=10mA
−
40
−
−
40
−
nm
Not designed for radiation resistance.
The forward voltage and reverse current values are the guaranteed values per element.
!Luminous intensity
λP
Color
Red
650
Type
LA-101VA
Min.
Typ.
Max.
Unit
3.6
10
−
mcd
5.6
16
−
mcd
LA-101VK
Green
563
LA-101MA
LA-101MK
Note : Measured at IF=10mA
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