product specification date 05/04/2011 no.61p00059 cosmo electronics corporation photocoupler kp1210s sheet 1 of 6 rev. 1 high reliability photocoupler z features 1. current transfer ratio ( ctr min. 50% at if=5ma v ce =5v ) 2. high isolation voltage between input and output ( viso 5000vrms ) 3. compact surface mount type package. z application 1. registers, copies, aut omatic vending machines. 2. system appliances, measuring instruments. 3. computer terminals, programmable controllers. 4. communications, telephone, etc. 5. electric home appliances, such as oil fan heaters, microwave oven, washer, refrigerator, air conditioner, etc. 6. medical instruments, physical and chemical equipment. 7. signal transmission between circuits of different potentials and impedances. 8. facsimile equipment, audio, video. 9. switching power supply, laser beam printer.
product specification date 05/04/2011 no.61p00059 cosmo electronics corporation photocoupler kp1210s sheet 2 of 6 rev. 1 z outside dimension unit ( mm ) 0.250.1 10.000.3 1.00 0.100.1 1.20.15 2.54 6.5 7.80.25 0 ~ 10 3.5 4.6 cosmo 1210 xxx data code ctr rank -0.1 +0.2 851 tolerance 0.2mm z schematic top view 2 3 1 4 1. anode 2. cathode 3. emitter 4. collector
product specification date 05/04/2011 no.61p00059 cosmo electronics corporation photocoupler kp1210s sheet 3 of 6 rev. 1 z absolute maximum ratings parameter symbol rating unit forward current i f 50 ma peak forward current i fm 1 a reverse voltage v r 6 v input power dissipation p d 70 mw collector-emitter voltage v ceo 350 v emitter-collector voltage v eco 7 v collector current i c 50 ma collector power dissipation p c 150 mw output junction temperature tj 125 total power dissipation p tot 200 mw isolation voltage 1 minute v iso 5000 vrms operating temperature t opr -55 to +100 storage temperature t stg -55 to +125 soldering temperature 10 second t sol 260 z electro-optical characteristics parameter symbol conditions min. typ. max. unit forward voltage v f i f =10ma - 1.2 1.3 v peak forward voltage v fm i fm =0.5a - - 3.0 v reverse current i r v r =5v - - 10 a input terminal capacitance c t v=0, f=1khz - 30 - pf output collector dark current i ceo v ce =300v - - 0.2 a current transfer ratio ctr i f =5ma, v ce =5v 50 - 600 % collector-emitter saturation v ce(sat) i f =8ma, i c =2.4ma - - 0.4 v isolation resistance r iso dc500v 5x10 10 10 11 - floating capacitance c f v=0, f=1mhz - 0.6 1.0 pf cut-off frequency f c v cc =5v, i c =2ma, r l =100 - 80 - khz response time ( rise ) t r - 2 - s transfer charac- teristics response time ( fall ) t f v ce =2v, i c =2ma, r l =100 - 3 - s
product specification date 05/04/2011 no.61p00059 cosmo electronics corporation photocoupler kp1210s sheet 4 of 6 rev. 1 fig.1 current transfer ratio vs. forward current current transfer ratio ctr ( % ) 50 2 120 10 5 ta=25 vce=5v c 100 40 20 0 60 80 200 140 120 160 180 classification table of current transfer ratio is shown below. model no. ctr ( % ) KP12102E 50 ~ 600 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 ) 25 0 -55 50 0 100 125 75 50 200 150 250 100 collector dark current i ceo ( a ) -8 10 -55 0 25 10 -11 10 -10 -9 10 vce=300v 10 -7 10 -6 10 -5 75 50 100 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 20 025 30 40 50 50 75 100 125 forward current i f ( ma ) 50 1.2 1.0 0.6 0.4 0.8 2 0.2 0.5 1 ta=25 5 10 30 c 1.5 1.4 1.6 0.1 ambient temperature ta ( ) forward voltage v f (v)
product specification date 05/04/2011 no.61p00059 cosmo electronics corporation photocoupler kp1210s sheet 5 of 6 rev. 1 fig.6 collector current vs. collector-emitter voltage fig.7 relative current transfer ratio vs. ambient temperature collector current i c (ma) 0 00.51.0 10ma 1.5 30ma if=40ma 25 50 ta=25 20ma c 5ma 2ma 1ma relative current transfer ratio ( % ) -55 0 0 50 25 50 100 75 if=5m a vce=5v 150 100 collector-emitter voltage v ce (v) ambient temperature ta ( ) fig.8 collector-emitter saturation voltage vs. ambient temperature fig.9 collector-emitter saturation voltage vs. forward current collector-emitter saturation voltage v ce ( v ) 0 -55 0 50 25 75 100 ic=2.4ma 0.04 0.08 0.12 0.20 0.16 0.24 0.30 0.28 if=8ma collector-emitter saturation voltage v ce ( v ) 5 0 10 c ta=25 ic=7m a ic=5m a ic=3ma ic=1m a ic=0.5ma 0 1 3 2 5 4 6 7 ambient temperature ta ( ) forward current i f (ma) fig.10 response time vs. load resistance fig.11 response time vs. load resistance response rise time ( us ) 10 1 0.1 tr 0.5 0.2 0.1 1 2 5 10 20 100 50 ic= 2m a vce=2v c ta=25 response fall time ( us ) 10 0.1 1 0.1 0.2 1 0.5 5 2 20 10 ic=2m a vce=2v 100 50 c tf ta=25 load resistance r l (k ) load resistance r l (k )
product specification date 05/04/2011 no.61p00059 cosmo electronics corporation photocoupler kp1210s sheet 6 of 6 rev. 1 z notice the information contained in this document is intended to be a general product description and is subject to change without notice. please contact cosmo in order to obta in the latest device data sheets before using any cosmo device. cosmo does not assume any responsibility for use of any circui try described. no circuit patent licenses are implied. this publicatio n is the property of cosmo. no part of this publication may be rep roduced or copied in any form or by any means, or transferred to any th ird party without the prior written consent of cosmo electronics corporation. the devices listed in this document are designed for general applications only in electronic e quipment. no devices shall be deployed which require higher le vel of reliability such as ? medical and other life support equipments. ? space application. ? telecommunication equipment ( trunk lines ). ? nuclear power control equipment. unless it received prior writ ten approval from cosmo. cosmo takes no responsibility for damages arise form the improper usage of our device. pl ease contact cosmo for further information regarding the above notices.
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