cosmo electronics corp. document no. 6 9p04007 .2 - 1 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? description the kpc355nt series consist of a photodarlington optically coupled to a gallium arsenide infrared - emitting diodes in a 4 - pin mini - flat package. the input - output i solation voltage is rated at 3750 vrms. ? schematic 1. anode 2. cathode 3. emit ter 4. collector ? features 1. halogen f ree 2. pb free and roh s compliant 3. high current transfer ratio ( ctr : min .600% at i f =1ma, vce=2v) 4 . high isolation voltage between input and output (viso : 3750vrms) 5 . mini - flat package: compact 4 pin sop with a 2.0mm profile 6 . msl class 1 7 . agency approvals: ? ul approved (no. e169586): ul1577 ? c - ul approved (no. e169586) ? vde approved (no. 40014684): din en 60747 - 5 - 5 ? fimko approved: en60065, en60950 ? cqc approved: gb8898 - 2011, gb4943.1 - 2011 ? applic ation s ? system ap pliances, measuring instruments ? industrial robots ? copi ers, automatic vending machines ? signal transmission between circuits of diff erent potentials and impedances ? telephone 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 9p04007 .2 - 2 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? outside dimension unit : mm tolerance : 0.2mm ? device marking notes: cosmo 35 5 nt yww y: year c ode / ww: week c ode : ctr r ank 2.54 4.40 0.40 0.50 7.00 0.5 0.4 0.10 0.10 3.90 0.5 2.0 0.5
cosmo electronics corp. document no. 6 9p04007 .2 - 3 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? absolute maximum ratings (ta=25 ) parameter symbol rating unit input forward current i f 50 ma peak forward current i fm 1 a reverse voltage v r 6 v power dissipation p d 70 mw output collector - e mitt er voltage v ceo 35 v emitt e r - c ollector voltage v eco 5 v collector current i c 150 ma collector power dissipation p c 150 mw total power dissipation ptot 170 mw isolation voltage 1 minute viso 3750 vrms operating temperature topr - 55 to +1 15 stora ge temperature tstg - 55 to +125 soldering temperature 10 second s tsol 260 ? 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 peak forw ard voltage v fm i fm =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 =10v, i f =0 C C 1 .0 ua tran s fer charac - teristics current transfer ratio ctr i f =1ma, v ce =2v 6 0 0 1600 750 0 % collector - e mitter saturation voltage v ce (sat) i f =20ma, ic=1ma C - 1.0 v isolation resistance riso dc500v 5 x 10 10 - C floating capacitance cf v=0, f=1mh z C 0.6 1.0 pf cut - off frequency fc vcc=5v,ic=2ma,r l =100 C 7 C khz response time (rise) tr vce=2v,ic=2ma,r l =100 C 60 300 us response time (fall) tf C 53 2 5 0 u s
cosmo electronics corp. document no. 6 9p04007 .2 - 4 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler classification table of current transfer ra tio is shown below. ctr rank ctr ( % ) kpc355nt0e min.600 fig.1 current transfer ratio vs. forward current current t ransfer r atio ctr ( % ) c e t a=25c v =2 v 0 0 .1 2000 4000 0 .2 0.5 1.0 2 8000 6000 100 00 5.0 10 forward c urrent i f (ma) fig.2 collector power dissipation vs. ambien t temperature fig.3 collector dark current vs. ambient temperature collector power dissipation p c ( mw ) 50 100 0 -55 0 150 200 25 55 75 100 125 collector dark current i ceo ( a ) 100 10 10 -55 -1 1 -1 0 10 10 10 -9 -8 -7 40 20 0 60 80 -6 -5 ce v =10v 115 10 10 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 ) 60 10 -55 0 20 0 25 30 40 50 50 75 115 125 forward current i f ( ma ) 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 am bient temperature ta ( ) forward voltage v f (v)
cosmo electronics corp. document no. 6 9p04007 .2 - 5 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat 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) i =1m a 20 0 1 40 60 2 f i =2m a f 3 4 5 100 140 180 120 160 200 i =15m a 80 f i =5m a i =10m a f f pc (m ax) ta =25c relative current tra nsfer ratio ( % ) 5 0 0 -5 5 0 2 5 1 0 0 1 0 0 7 5 5 0 1 5 0 v = 2 v i = 1 m a f c e 1 1 5 -2 5 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 saturati on voltage v ce ( v ) 4 .8 ic = 7 m a 1 .6 0 .8 0 0 1 .6 3 .2 2 .4 3 .2 4 .0 ic = 3 0 m a ic = 5 0 m a ic = 0 .5 m a ic = 1 m a ic = 5 m a ic = 3 m a 6 .4 8 .0 t a = 2 5 c response time ( us ) 1 0.01 0.1 500 1000 200 100 5 2 10 20 ts td ta = 25c 50 c c ic = 2m a v =2v 10 1 tf tr forward current i f (ma) load resistance r l (k )
cosmo electronics corp. document no. 6 9p04007 .2 - 6 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? test circuit f or response time vce tr tf 90% 10% 2 1 3 4 r vcc vce f i l f i
cosmo electronics corp. document no. 6 9p04007 .2 - 7 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? recommende d soldering conditions (a) infrared reflow soldering ? 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 temperatur e) 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 1 8 0 1 9 0 2 3 0 2 6 0 6 0 -1 2 0 s e c 3 0 -6 0 s e c t (s ) temperature 1 0 s e c m a x . (b) wave soldering ? temperature ? 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 chlor ine 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.
cosmo electronics corp. document no. 6 9p04007 .2 - 8 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? numbering system k p c35 5 nt y (z) note s: k p c35 5 nt = par t no. y = ctr r ank ( e ) 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 m ount lead f orm unit : mm
cosmo electronics corp. document no. 6 9p04007 .2 - 9 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? 4 - pin mini - flat c arrier tape & r eel tolerance 0.2mm
cosmo electronics corp. document no. 6 9p04007 .2 - 10 - http://www.cosmo - ic.com cosmo kpc355nt series 4pin mini - flat photo darlington photocoupler ? application n otice the content of datasheet is the guidance for product use only. cosmo takes no responsibility to the accuracy of the information pro vided here. 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 c osmo to obtain 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 in tended 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 devi ces 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 application 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.
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