1/3 single digit surface mount led numeric display lf-3011 a / k series www.rohm.com c 2014 rohm co., ltd. all rights reserved. 2014.05 - rev.c da t a sheet lf-3011a / k series of single digit surface mount led ? dimensions numeric display which the height of a letter 8mm have rohm original structure that realizes re-flow soldering. ? features 1) re-flow soldering ? 2) pb-free available 3) automatic mounting with taping pack ? number of re-flow process shall be recommend 1 time by our re-flow condition ? selection guide anodecathode emitting color common red lf-3011valf-3011vk lf-3011maLF-3011MK green ? pin assignments ? equivalent circuit (anode common) (cathode common) tolerance are 0.3 unless otherwise noted: 10? 6.8 10-0.4 pin no.6 pin no.10 pin no.5 pin no.1 0.2 0.8 ( 1 ) 4 1 02 2.5 5 5 0.5 p1.27 4 = 5.08 11 8 1 13 ( 1 ) ( 1 ) ( 1 ) function pin no. 12 3 4 5 6 7 8 9 10 segment "e"segment "d" common segment "c" d.p segment "b" segment "a" common segment "f" segment "g" p in no. a g d f b ec d.p ++ 10 1 ++ 92 ++ 83 ++ 74 ++ 65 8 3 a7 b6 c 4 d2 e1 f 9 g 10 d .p 5 p in no. s egment common 8 3 a7 b6 c 4 d2 e1 f 9 g 10 d .p 5 pin no. s egment common downloaded from: http:///
2/3 da t a sheet lf-3011 a / k series www.rohm.com c 2014 rohm co., ltd. all rights reserved. 2014.05 - rev.c ? absolute maximum ratings (ta=25 ? c) parameter red lf-3011va / vk unit mwmw mama v ?c?c 320 4015 60 5 green lf-3011ma / mk 480 6020 60 5 p d p d / seg i f i fp v r topr tstg 25 to + 75 30 to + 85 peak forward currentoperating temperature storage temperature symbol ? pulse width 1ms duty 1 / 5 ?? power dissipation power dissipationforward current reverse voltage ? electrical characteristics (ta=25 ? c) parameter red typ. unit v a nmnm 2.0 650 40 max. 2.8 100 green v f i r p ? peak wavelengthspectral line half width symbol i f = 10ma v r = 3v i f = 10ma i f = 10ma conditions typ. 2.1 563 40 max. 2.8 100 the products are not radiations resistant. reverse current forward voltage ? luminous intensity p (nm) unit color red 650 type lf-3011va min. 3.6 typ. 10 mcd green 563 lf-3011ma 3.6 10 mcd lf-3011vk LF-3011MK downloaded from: http:///
3/3 da t a sheet lf-3011 a / k series www.rohm.com c 2014 rohm co., ltd. all rights reserved. 2014.05 - rev.c ? electrical and optical characteristic curves lf-3011m a lf-3011m k lf-3011v a lf-3011v k fig.1 forward current - forward voltage 0.1 1 10 100 1 1.5 2 2.5 3 ta=25 c forward voltage:v f (v) forward current:i f (ma) f ig.2 relative luminous intensity - forward curre nt 0.01 0.10 1.00 10.00 1 10 100 relative luminous intensity forward current:i f (ma) ta=25 c fig.3 relative luminous intensity - case temperature 0.4 0.6 1.2 1.4 1.6 case temparature ( c) i f =10ma -25 -15 -5 5 15 25 35 45 55 65 75 relative luminous intensity 0.8 1 f ig.4 ratio of maximum tolerable peak current - pulse duration ( ) lf-3011m a lf-3011m k 1 10 100 1000 10000 100000 pulse duration : tw(s) 30hz 100hz 300hz 1khz 3khz 10khz 30khz 100khz 300khz ratio of maximum tolerable peakcurrent to maximum forward current ( ) i f peak max . i f max. 1 10 f ig.5 ratio of maximum tolerable peak current - pulse duration ( ? ) 1 10 1 10 100 1000 10000 pulse duration : tw(s) 100hz 200hz 500hz 1khz 2khz 5khz 10khz 20khz 50khz ratio of maximum tolerable peakcurrent to maximum forward current ( ) i f peak max . i f max. lf-3011v a lf-3011v k fig.6 derating 0% 20% 40% 60% 80% 100% 120% forward current (%) ambient temperature( c) -25 -15 -5 5 15 25 35 45 55 65 75 8 5 downloaded from: http:///
r1102 a www.rohm.com ? 2014 rohm co., ltd. all rights reserved. notice ro hm cu stome r s upport sy s tem h ttp :// www.r oh m .co m/ co n tact / thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. no tes the information contained herein is subject to change without notice. before you use our products, pl ease contact our sales representative and verify th e la tes t specifica - tion s : alt hou gh rohm is contin uous ly wor ki ng to im pr ove p ro du ct r eli a bility and qualit y, semicon - du c tor s c an bre a k d ow n and ma lf un ct io n du e to var io us f ac to rs. th e re fore, in or der to prevent pe r so nal in ju ry or fi re ar isi ng f ro m fa ilur e, please ta ke sa f ety mea s ur es su ch as com plyin g wi th th e de r at in g ch ara ct er ist ic s, impl e menting redundant and f ir e preve nt ion designs, and u tilizin g ba ck up s a nd f ail - sa fe p ro ce du re s. ro hm shall have no responsibility for any damages arising out of the use of our poducts b ey ond the rating specified by rohm. examples of application circuits, circuit constants and any other information contained herein are provided only to illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. 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 gr ant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm or any other parties. rohm shall have no responsibility whatsoever for any dispute arising out of the use of such technical information. the products are intended for use in general electronic equipment (i.e. av/oa devices, communi- cation, consumer systems, gaming/entertainment sets) as well as the applications indicated in this document. the products specified in this document are not designed to be radiation tolerant. for use of our products in applications requiring a high degree of reliability (as ex emplified bel ow), please contact and consult with a rohm representative : transportation equipment (i.e. cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, servers, solar cells, and power transmission systems. do not use our products in applications requiring extremely high reliability, such as aerospace equipment, nuclear power control systems, and submarine repeaters. rohm shall have no responsibility for any damages or injury arising from non-compliance with the recommended usage conditions and specifications contained herein. rohm has used reasonable care to ensur the accuracy of the information contained in this document. however, rohm does not warrants that such information is error-free, and rohm shall have no responsibility for any damages arising from any inaccuracy or misprint of such information. please use the products in accordance with any applicable environmental laws and regulations, such as the rohs directive. for more details, including rohs compatibility, please contact a rohm sales office. rohm shall have no responsibility for any damages or losses resulting non-compliance with any applicable laws or regulations. when providing our products and technologies contained in this document to other countries, you must abide by the procedures and provisions stipulated in all applicable export laws and regulations, including without limitation the us export administration regulations and the foreign exchange and foreign trade act. this document, in part or in whole, may not be reprinted or reproduced without prior consent of rohm. 1) 2) 3) 4) 5) 6) 7) 8) 9) 10)11) 12) 13) 14) downloaded from: http:///
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