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

LA-101AK Series
LED displays
High efficiency, single-digit numeric
displays
LA-101AK Series
zExternal Dimensions (Unit : mm)
24.0±0.2
10˚
2.5
14.1
(30.5)
10.5±0.2
φ3.2
φ0.5
(2.54)
(10.16)
3.5Min.
zFeatures
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.
25.4
34.0±0.2
2.5
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 :
zSelection guide
Emitting color
Red
Green
Anode
LA-101VA
LA-101MA
Cathode
LA-101VK
LA-101MK
Common
zPin 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"
Rev.A
1/2
LA-101AK Series
LED displays
zInternal 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
zAbsolute 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
20
60∗
mA
3
Peak forward current
IFP
15
60∗
Reverse voltage
VR
3
mA
V
Operating temperature
Topr
−25 to +75
˚C
Storage temperature
Tstg
−30 to +85
˚C
∗ Pulse width 1ms duty 1 / 5
( ) is D.P value
zElectrical and optical characteristics (Ta=25°C)
Parameter
Red
Symbol Conditions Elements
Min.
VF
Forward voltage
IF=10mA
2
−
1
−
Green
Typ. Max. Min.
1
∗1
4.0∗ 5.6
−
2
2
−
2.0∗ 2.8∗
Typ. Max.
1
∗1
4.2∗ 5.6
2
2.1∗ 2.8∗2
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.
zLuminous 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
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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