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LAP-401 D / N Series
LED displays
Single Digit LED Numeric Display
LAP-401 D / N Series
LAP-401 D / N series are the numberical display units featuring ROHM's in-house 4-element(AlGaInP) high-brightness LED dies.Their luminous intensity is top class in the industry while degradation is considerably slow, which helps to keep illumination vividness almost unchanged and the image of sets high over a long period of time. Features 1) 10.16mm for letter height, single-line LED numerical displays. 2) About 10 times more luminous intensity than the conventional products by use of 4-element LED dies. (in case of orange color) 3) The same luminous intensity as the conventional products at their 1/10 of current, which contributes lots to energy-saving of sets. 4) Light-leakage from segments probable with the small display packages is very rare. 5) Both anode common type and cathode common type are available in lineup for each color. Selection guide
Emitting color Common Anode Cathode Red LAP-401VD LAP-401VN Orange LAP-401DD LAP-401DN Yellow LAP-401YD LAP-401YN Green LAP-401MD LAP-401MN
Dimensions (Unit : mm)
9.6 10
1.0 10.16
1.0 5.57
1.0
(7.62)
Tolerance are 0.2 unless otherwise noted:
Pin assignments
Pin No. 1+ 2+ 3+ 4+ 5+ e d D.P f g c a b + 10 +9 +8 +7 +6
Pin No. 1 2 3 4 5 6 7 8 9 10
Function Common Segment "f" Segment "g" Segment "e" Segment "d" Common D.P Segment "c" Segment "b" Segment "a"
Equivalent circuit (anode common)
COM 1,6
(cathode common)
COM 1,6
a b c d e f g D.P 10 9 8 5 4 2 3 7
a b c d e f g D.P 10 9 8 5 4 2 3 7
3.5Min.
0.25
7.0
(2.54)
0.5
(10.16)
13.0
1/2
LAP-401 D / N Series
LED displays
Absolute maximum ratings (Ta=25C)
Parameter Symbol Red Orange Yellow Green Unit mW mW mA mA V C C
Power dissipation Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature
1 Pulse width 1ms Duty 1 / 5
PD PD / seg IF IFP VR Topr Tstg
LAP-401VD / VN LAP-401DD / DN LAP-401YD / YN LAP-401MD / MN 448 448 448 448 56 56 56 56 20 20 20 20 60 1 60 1 60 1 60 1 5 5 5 5 -25 to +75 -30 to +85
Electrical characteristics (Ta=25C)
Parameter Forward voltage Reverse current Peak wavelength Spectral line half width Symbol
Conditions
Red
Orange
Yellow
Green
Unit
VF IR P
IF=10mA VR=3V IF=10mA IF=10mA
Typ. 1.9 - 650 20
Max. 2.6 100 - -
Typ. 1.9 - 605 20
Max. 2.6 100 - -
Typ. 1.9 - 590 20
Max. 2.6 100 - -
Typ. 1.9 - 572 20
Max. 2.6 100 - -
V A nm nm
The products are not radiations resistant.
Luminous intensity
Color
Red Orange Yellow Green
P (nm)
650 605 590 572
Type LAP-401VD LAP-401VN LAP-401DD LAP-401DN LAP-401YD LAP-401YN LAP-401MD LAP-401MN
Min. 14 56 90 36
Typ. 36 250 450 100
Unit mcd mcd mcd mcd
A condition of measurement is IF=10mA.
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 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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Appendix1-Rev2.0

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