LA-601 B / L Series
LED displays
Single Digit LED Numeric Display
LA-601 B / L Series
LA-601 B / L series is designed to use in the light.
Materials of emission are GaAsP on GaP, AlGalnP GaP
and GaN. This is the height of a letter 14.6mm, single
digit LED Numeric Display that is packed by epoxy resin.
Dimensions
(Unit : mm)
12.5
+0
−0.5
10˚
1.6
19.0±0.2
(10.16)
Tolerance are
±0.3
unless otherwise noted:
Selection guide
Emitting color
Common
Anode
Cathode
Red
LA-601VB
LA-601VL
Red
Orange
Yellow
(High brightness)
(High brightness) (High brightness)
LA-601AB
LA-601AL
LA-601EB
LA-601EL
LA-601XB
LA-601XL
3.5Min.
Features
1) The height of a letter is 14.6mm.
2) Dimension is 12.5×19.0×8.0mm.
3) The package of surface color is black. Color of
segment is colored in emitting color. (Blue color is only
milky white)
4) Each color has anode common and cathode common
respectively.
1.6
8.3
φ1.8
0.5
(2.54)
8.0
Green
LA-601MB
LA-601ML
0.25
LA-601BB
LA-601BL
Pin assignments
10 9 8 7 6
+ + + + +
a
f
g
e
d
D.P
+ + + + +
Pin No. 1 2 3 4 5
c
b
Pin No.
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"
Equivalent circuit (anode common)
COM
3,8
(cathode common)
COM
3,8
a b c d e f g
7 6 4 2 1 9 10
D.P
5
a b c d e f g
7 6 4 2 1 9 10
D.P
5
Rev.B
(15.24)
14.6
Blue
1/4
LA-601 B / L Series
LED displays
Absolute maximum ratings
(Ta=25°C)
Parameter
Power dissipation
Power dissipation
Forward current
Peak forward current
Reverse voltage
Operating temperature
Storage temperature
∗1
Pulse width 1ms Duty 1 / 5
∗2
Pulse width 0.1ms Duty 1 / 10
Symbol
P
D
P
D
/ seg
I
F
I
FP
V
R
Topr
Tstg
Orange
Yellow
Red
Blue
Green
(High brightness)
(High brightness) (High brightness)
LA-601VB / VL LA-601AB / AL
LA-601EB / EL
LA-601XB / XL LA-601MB / ML LA-601BB / BL
480
336
480
520
520
520
60
42
60
65
65
65
20
10
20
25
25
25
60
∗1
50
∗2
60
∗1
50
∗2
50
∗2
50
∗2
5
5
5
5
5
5
−25
to
+75
−30
to
+85
Red
Unit
mW
mW
mA
mA
V
˚C
˚C
Electrical characteristics
(Ta=25°C)
Parameter
Forward voltage
Reverse current
Peak wavelength
Spectral line half width
Symbol
Conditions
Orange
Yellow
Red
(High brightness)
(High brightness) (High brightness)
Typ. Max. Typ.
Max.
Typ.
Max.
Typ.
Max.
2.0 2.8
2.05
∗
2.6
∗
2.05
∗
2.6
∗
2.05
∗
2.6
∗
100
100
100
100
−
−
−
−
650
626
∗
610
∗
589
∗
−
−
−
−
∗
∗
∗
40
18
17
15
−
−
−
−
Red
Green
Blue
Unit
V
F
I
R
λ
P
∆λ
I
F
=10mA
V
R
=3V
I
F
=10mA
I
F
=10mA
Typ. Max. Typ. Max.
2.1
2.8
3.6
4.2
100
100
−
−
563
470
−
−
40
26
−
−
V
µA
nm
nm
∗
Shows the number on the condition of I
F
=20mA.
The products are not radiations resistant.
Luminous intensity
Color
λ
P
(nm)
650
626
610
589
563
470
Red
Red (High brightness)
Orange (High brightness)
Yellow (High brightness)
Green
Blue
Type
LA-601VB
LA-601VL
LA-601AB
LA-601AL
LA-601EB
LA-601EL
LA-601XB
LA-601XL
LA-601MB
LA-601ML
LA-601BB
LA-601BL
Min.
5.6
36
36
36
9
14
Typ.
14
90
90
90
22
56
Unit
mcd
mcd
mcd
mcd
mcd
mcd
A condition of measurement is I
F
=10mA.
Rev.B
2/4
LA-601 B / L Series
LED displays
Electrical and optical characteristic curves
100
Ta=25°C
10.00
Relative Luminous Intensity
Forward Current:I
F
(mA)
10
1
LA-601BB
LA-601BL
LA-601XB
LA-601XL
LA-601EB
LA-601EL
LA-601AB
LA-601AL
LA-601MB
LA-601ML
LA-601VB
LA-601VL
Ta=25°C
1.00
0.10
LA-601BB
LA-601BL
LA-601XB
LA-601XL
LA-601EB
LA-601EL
LA-601AB
LA-601AL
LA-601MB
LA-601ML
LA-601VB
LA-601VL
0.1 1
2
3
4
5
0.01
1
10
Forward Current:I
F
(mA)
100
Forward Voltage:V
F
(V)
Fig.1 Forward Current - Forward Voltage
Fig.2 Relative Luminous Intensity - Forward Current
I
F
=10mA
1.4
Relative Luminous Intensity
1.2
1
0.8
0.6
0.4
-25 -15 -5
5
15 25 35 45 55 65 75
1
1
50kHz
LA-601BB
LA-601BL
LA-601XB
LA-601XL
LA-601EB
LA-601EL
LA-601AB
LA-601AL
LA-601MB
LA-601ML
LA-601VB
LA-601VL
IF peak Max.
Ratio of Maximum Tolerance Peak
IF Max.
Current to Maximum Tolerance DC Current
1.6
)
10
LA-601BB
LA-601BL
500Hz
200Hz
100Hz
10kHz
5kHz
2kHz
20kHz
1kHz
(
5
10
100
1000
10000
Case Temparature (°C)
Pulse Duration tw(µs)
Fig.3 Relative Luminous Intensity - Case Temperature
Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration (
Ι
)
)
IF peak Max.
Ratio of Maximum Tolerance Peak
IF Max.
Current to Maximum Tolerance DC Current
LA-601XB
LA-601XL
LA-601EB
LA-601EL
LA-601AB
LA-601AL
I
F
peak Max.
Ratio of Maximum Tolerable peak
I
F
Max.
Current to Maximum Forward Current
10
)
10
(
(
LA-601MB
LA-601ML
LA-601VB
LA-601VL
100kHz
300Hz
100Hz
30kHz
10kHz
500Hz
200Hz
100Hz
50kHz
20kHz
10kHz
5kHz
2kHz
1kHz
1
1
10
100
1000
10000
1
1
300kHz
10
100
1000
30Hz
3kHz
1kHz
10000
100000
Pulse Duration : Tw (µs)
Pulse Duration : tw(µs)
Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration (
ΙΙ
)
Fig.6 Ratio of Maximum Tolerable Peak Current - Pulse Duration (
ΙΙΙ
)
Rev.B
3/4
LA-601 B / L Series
LED displays
120%
100%
80%
60%
40%
20%
0%
-25 -15 -5
Forward Current (%)
5 15 25 35 45 55 65 75 85
Ambient Temperature(°C)
Fig.7 Derating
Rev.B
4/4
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 which 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.
It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance
of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow
for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in
order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM
cannot be held responsible for any damages arising from the use of the products under conditions out of the
range of the specifications or due to non-compliance with the NOTES specified in this catalog.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact your nearest sales office.
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2008 ROHM CO.,LTD.
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Appendix1-Rev2.0
