LA-401 D / N Series LED displays Single Digit LED Numeric Display LA-401 D / N Series zDimensions (Unit : mm) 9.6 (10.16) 0.5 1.0 7.0 1.0 5.57 (2.54) zFeatures 1) The height of a letter is 10.16mm. 2) Dimension is 9.6x13.0x7.0mm. 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. 13.0 1.0 10.16 10 0.25 3.5Min. LA-401 D / N series is developed because of the demand for small single digit LED Numeric Display. Materials of emission are GaAsP on GaP, AlGalnP GaP and GaN. This is the height of a letter 10.16mm, single digit LED Numeric Display that is packed by EPOXY resin. (7.62) Tolerance are 0.2 unless otherwise noted: zSelection guide Emitting color Yellow Red Orange High brightness High brightness High brightness Red Common Anode Cathode LA-401VD LA-401VN LA-401AD LA-401AN zPin assignments 1 + + 10 a 2 + f b 3 + 5 + LA-401XD LA-401XN e + 9 + 8 g + 7 c + 6 d D.P zEquivalent circuit (anode common) COM 1,6 a b c d e f g D.P 10 9 8 5 4 2 3 7 1 2 3 4 5 6 7 8 9 10 Blue LA-401MD LA-401MN LA-401BD LA-401BN Function Pin No. Pin No. 4 + LA-401ED LA-401EN Green Common Segment "f" Segment "g" Segment "e" Segment "d" Common D.P Segment "c" Segment "b" Segment "a" (cathode common) COM 1,6 a b c d e f g D.P 10 9 8 5 4 2 3 7 Rev.D 1/4 LA-401 D / N Series LED displays zAbsolute maximum ratings (Ta=25C) Power dissipation Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature Yellow Orange Red High brightness High brightness High brightness Red Symbol Parameter LA-401VD / VN 320 40 15 60 1 5 PD PD / seg IF IFP VR Topr Tstg LA-401AD / AN 520 65 25 50 2 5 LA-401ED / EN LA-401XD / XN 520 520 65 65 25 25 50 2 50 2 5 5 -25 to +75 -30 to +85 Green Blue Unit LA-401MD / MN LA-401BD / BN 480 336 60 42 20 10 60 1 50 2 5 5 mW mW mA mA V C C 1 Pulse width 1ms Duty 1 / 5 2 Pulse width 0.1ms Duty 1 / 10 zElectrical characteristics (Ta=25C) Parameter Symbol Conditions Forward voltage Reverse current Peak wavelength Spectral line half width VF IR P IF=10mA VR=3V IF=10mA IF=10mA Red Orange Yellow High brightness High brightness High brightness Red Typ. Max. 2.0 2.8 100 - - 650 - 40 Typ. Max. 2.05 2.6 100 - 626 - 18 - Typ. Max. 2.05 2.6 100 - 610 - 17 - Green Blue Typ. Max. Typ. Max. Typ. Max. 2.05 2.6 2.1 2.8 3.6 4.2 100 100 100 - - - 589 563 470 - - - 15 40 26 - - - Unit V A nm nm The products are not radiations resistant. Shows the number on the condition of IF=20mA. zLuminous intensity Color P (nm) Red 650 High brightness red 626 High brightness orange 610 High brightness yellow 589 Green 563 Blue 470 Type LA-401VD LA-401VN LA-401AD LA-401AN LA-401ED LA-401EN LA-401XD LA-401XN LA-401MD LA-401MN LA-401BD LA-401BN Min. Typ. Unit 5.6 16 mcd 36 90 mcd 36 90 mcd 36 90 mcd 5.6 16 mcd 14 56 mcd A condition of measurement is IF=10mA. Rev.D 2/4 LA-401 D / N Series LED displays zElectrical and optical characteristic curves 10.00 Ta=25C LA-401BD LA-401BN LA-401XD LA-401XN LA-401ED LA-401EN LA-401AD LA-401AN LA-401MD LA-401MN LA-401VD LA-401VN 10 1 4 0.10 0.01 5 1 10 Fig.2 Relative Luminous Intensity - Forward Current 1.2 1 0.8 0.6 15 25 35 45 55 65 75 1 ) 1000 100Hz 1000 10000 10000 10 30Hz 100Hz 30kHz 100kHz ( LA-401MB LA-401ML 300kHz 100Hz 200Hz 500Hz 1kHz 2kHz 5kHz 20kHz 50kHz 10kHz 100 IF peak Max. Ratio of Maximum Tolerable peak IF Max. Current to Maximum Forward Current ) ( IF peak Max. Ratio of Maximum Tolerance Peak IF Max. Current to Maximum Tolerance DC Current LA-401XD LA-401XN LA-401ED LA-401EN LA-401AD LA-401AN 10 100 Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( ) 10 1 200Hz 10 Pulse Duration tw(s) Fig.3 Relative Luminous Intensity - Case Temperature 1 500Hz 2kHz 5kHz 10kHz 1 Case Temparature (C) 300Hz 5 5 1kHz 0.4 -25 -15 -5 LA-401BD LA-401BN 20kHz Relative Luminous Intensity 1.4 10 50kHz LA-401BD LA-401BN LA-401XD LA-401XN LA-401ED LA-401EN LA-401AD LA-401AN LA-401MD LA-401MN LA-401VD LA-401VN ( IF=10mA IF peak Max. Ratio of Maximum Tolerance Peak IF Max. Current to Maximum Tolerance DC Current ) Fig.1 Forward Current - Forward Voltage 1.6 100 Forward Current:IF(mA) Forward Voltage:VF(V) 3kHz 3 LA-401BD LA-401BN LA-401XD LA-401XN LA-401ED LA-401EN LA-401AD LA-401AN LA-401MD LA-401MN LA-401VD LA-401VN 1.00 1kHz 2 Ta=25C 10kHz 0.1 1 Relative Luminous Intensity Forward Current:IF(mA) 100 1 1 10 100 1000 10000 100000 Pulse Duration : Tw (s) Pulse Duration : tw(s) Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( ) Fig.6 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( ) Rev.D 3/4 LA-401 D / N Series 120% 10 100% Forward Current (%) 100Hz 200Hz 1kHz 500Hz 2kHz 5kHz 10kHz 50kHz 20kHz LA-401VD LA-401VN ( IF peak Max. Ratio of Maximum Tolerable peak IF Max. Current to Maximum Forward Current ) LED displays 80% 60% 40% 20% 1 1 10 100 1000 10000 Pulse Duration : tw(s) Fig.7 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( V ) 0% -25 -15 -5 5 15 25 35 45 55 65 75 85 Ambient Temperature(C) Fig.8 Derating Rev.D 4/4 Appendix Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM CO.,LTD. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office. ROHM Customer Support System www.rohm.com Copyright (c) 2008 ROHM CO.,LTD. THE AMERICAS / EUROPE / ASIA / JAPAN Contact us : webmaster@ rohm.co. jp 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan TEL : +81-75-311-2121 FAX : +81-75-315-0172 Appendix1-Rev3.0