cosmo electronics corp. document no. 6 9p20005 .3 - 1 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler ? description the kt1200 series consist of a photo darlington optically coupled to a gallium a rsenide infrared - emitting diode in a 4 pin lsop wide body package. it features a high current transfer ratio, low coupling capacitance and high isolation voltage. ? schematic 1. anode 2. cathode 3. emitter 4. collector ? features 1. halogen f ree 2. pb free and roh s compliant 3 . high i solation voltage 5000v rms 4 . opaque type, smd low profile 4 lead package 5 . high current transfer rati o ( ctr=2000%typ.@ i f =1 ma, v ce =2v ) 6. 8mm outer creepage distance 7. msl class 1 8 . agency approvals : ? ul approved (no. e169586): ul1577 ? c - ul approved (no. e169586) ? vde approved (no. 40031267): din en60747 - 5 - 5 ? fimko approved: en60065, en60950, en60 335, en60601 ? cqc approved: gb8898 - 2011, gb4943.1 - 2011 ? application s ? system ap pliances, measuring instruments ? industrial robots ? copi ers, automatic vending machines ? signal transmission between circuits of different potentials a nd impedances ? tel ephone sets ? copiers, facsimiles ? interface with various power supply circ uits, power distribution boards ? numerical control machines 2 1 3 4
cosmo electronics corp. document no. 6 9p20005 .3 - 2 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler ? outside dimension unit : mm tolerance : 0.2mm ? device marking notes: cosmo 1 2 0 : ctr r ank yww y: year c ode / ww: week c ode cosmo 120 yww
cosmo electronics corp. document no. 6 9p20005 .3 - 3 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler ? absolute maximum ratings (ta=25 ) parameter symbol rating unit input forward current i f 50 ma peak forward current i f p 1 a reverse voltage v r 6 v power dissip ation p d 70 mw output collector - e mitter voltage v ceo 35 v emitter - c ollector voltage v eco 5 v collector current i c 1 50 ma collector power dissipation p c 150 mw total power dissipation ptot 170 mw isolation voltage 1 minute viso 5000 vrms operating temperature topr - 55 to + 1 00 ? electro - optical characteristics (ta=25 ) parameter symbol conditions m in . t yp . m ax . unit input forward voltage v f i f =20ma C 1.2 1.4 v pe ak forward voltage v f p i f p =0.5a C C 3.5 v reverse current i r v r =4v C C 10 u a terminal capacitance ct v=0, f=1 k h z C 30 C pf output collector dark current i ceo v ce = 1 0v, i f =0 C C 1.0 ua transfer charac - teristics current transfer ratio ctr i f = 1 ma, v ce = 2 v 200 2000 - % collector - e mitter saturation voltage v ce (sat) i f = 1 ma, ic= 2 ma C - 1.0 v isolation resistance riso dc500v, 40 to 60%rh 5 x 10 10 10 11 C floating capacitance cf v=0, f=1mh z C 0.4 C pf cut - off frequency fc vcc=5v,ic=2ma,r l =100 - 7 - k hz response time (rise) tr vc c = 5 v,ic=2ma,r l =100 C 200 - us response time (fall) tf C 200 - us
cosmo electronics corp. document no. 6 9p20005 .3 - 4 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler classification table of current transfer rati o is shown below. ctr rank ctr ( % ) kt1200 min.200 fig.1 current transfer ratio vs. forward current current transfer ratio ctr ( % ) forward current i f (ma) fig.2 collector power dissipation vs. ambient temperature fig.3 collector dark current vs. ambient temperature collector power dissipation p c ( mw ) collector dark current i ceo ( a ) ambient temperature ta ( ) ambient temperature ta ( ) fig.4 forward current vs. ambient temperature fig.5 forward current vs. forward voltage forward current i f ( ma ) forward current i f ( ma ) am bient temperature ta ( ) forward voltage v f (v) 50 100 0 -55 0 150 200 25 55 75 100 125 250 100 10 10 -55 -11 -10 10 10 10 -9 -8 -7 40 20 0 60 80 -6 -5 ce v =10v 115 10 10 60 10 -55 0 20 0 25 30 40 50 50 75 100 125 1.5 2 1 0 0.5 5 10 1.0 50c ta=75c 20 50 200 100 2.0 2.5 3.0 0c -25c 25c 500 ta=25c current transfer ratio (%) 0.2 0 2000 1000 0 5 2 1 0.5 8000 4000 6000 v =2v ce 10
cosmo electronics corp. document no. 6 9p20005 .3 - 5 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler fig.6 collector current vs. collector - emitter voltage fig.7 relative current transfer ratio vs. ambient temperature collector current i c (ma) relative current tr ansfer ratio ( % ) collector - emitter voltage v ce (v) ambient temperature ta ( ) fig.8 collector - emitter saturation voltage vs. forward current fig.9 response time vs. load resistance collector - emitter saturat ion voltage v ce ( v ) response time ( us ) forward current i f (ma) load resistance r l (k ) i =1ma 20 0 1 40 60 2 f i =2ma f 3 4 5 100 140 180 120 160 200 i =15ma 80 f i =5ma i =10ma f f pc (max) ta =25c 50 0 -55 0 25 100 100 75 50 150 v =2v i =1ma f ce -25 4.8 ic=7ma 1.6 0.8 0 0 1.6 3.2 2.4 3.2 4.0 ic=30ma ic=50ma ic=0.5ma ic=1ma ic=5ma ic=3ma 6.4 8.0 ta=25c 1 0.01 0.1 500 1000 200 100 5 2 10 20 ts td ta = 25c 50 cc ic = 2ma v =5v 10 1 tf tr
cosmo electronics corp. document no. 6 9p20005 .3 - 6 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler ? test circuit f or response time ? recommended so ldering conditions (a) infrared reflow soldering vce tr tf 90% 10% 2 1 3 4 r v vce i f cc l i f
cosmo electronics corp. document no. 6 9p20005 .3 - 7 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler ? peak reflow soldering ? time of peak reflow temperature ? time of temperature higher than 230 ? time to preheat t emperature from 180~190 ? time(s) of reflow ? flux 2 60 or below (package surface temperature) 10 sec 30 - 60 sec 60 - 120 sec two rosin flux containing small amount of chlorine (the f lux with a maximum chlorine content of 0.2 wt% is recommended.) recommended temperature profile of infrared reflow (b) wave soldering ? tem perature ? time ? preheating conditions ? t ime ( s ) of reflow ? flux 260 or below (molten solder temperature) 10 seconds or less 120 or below (package surface temperature) one rosin flux containing small amount of chlorine (the flux with a maximum chlorine content of 0.2 wt% is recommended.) (c) cautions ? fluxes avoid removing the residual flux with f reon - based and chlorine - based cleaning solvent . ? avoid shorting between portion of frame and leads. ? numbering system 180 190 230 260 60-120 sec 30-60 sec t (s) temperature 10 sec max.
cosmo electronics corp. document no. 6 9p20005 .3 - 8 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler k t 1 2 0 0 (z) note s: k t 1 2 0 0 = part no. z = tape and r eel option (tld tru) option description packing quantity tld tld tape & reel option 3 000 u n its per reel tru tru tape & reel option 3 000 u n its per reel ? recommended p ad l ayout for s urface mount l ead f orm u nit : mm ? 4 - pin lsop c arrier t ape & r eel tolerance 0.2mm
cosmo electronics corp. document no. 6 9p20005 .3 - 9 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler ? application n otice
cosmo electronics corp. document no. 6 9p20005 .3 - 10 - http://www.cosmo - ic.com cosmo kt1200 series 4pin l sop photo darlington photocoupler the content of datasheet is the guidance for product use only. cosmo takes no responsibility to the accuracy of the information provided her e. for continuously improving all of products, including quality, reliability, function...etc., cosmo reserves the right to change the specification, characteristics, data, materials, and structure of products without notice. please contact with cosmo to o btain the latest specification. it would be required to comply with the absolute maximum ratings listed in the specification. cosmo has no liability and responsibility to the damage caused by improper use of the products. cosmo products are intended to be designed for use in general electronics application list below: a. personal c omputer b. oa machine c. audio / video d. instrumentation e. electrical a pplication f. measurement equipment g. consumer electronics h. telecommunication cosmo devices shall not be used or related with equipment requiring higher level of quality / reliability, or malfunction, or failure which may cause loss of human life, bodily injury, includes, without limitation: a. medical and other life supporting equipments b. space app lication c. telecommunication equipment (trunk lines) d. nuclear power control e. equipment used for automotive vehicles, trains, ships...etc. this publication is the property of cosmo. no part of this publication may be reproduced or copied in any form or any means electronically or mechanically for any purpose, in whole or in part without any written permission expressed fr o m cosmo.
|
