photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 1 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 applications 1.computer terminals 2.registers, copiers, automatic vending machines 3.system appliances, measuring instruments 4.programmable logic controller 5.signal transmission between circuits of different potentials and impedances KB8241: 2-channel type features description 2.the lead pitch is 2.54mm 2. high current transfer ratio.(ctr:min 600%,at i =1ma ,v =2v) 3. high isolation voltage between input and output (viso=5000 vrms) 4. compact dual-in-line package gaas light emitting diode and a darlington silicon phototransistor. 5. recognized by ul and cul, file no. e225308 1.the KB8241 (2-channel) is optically coupled isolators containing two 1. ac input. f ce general purpose high isolation voltage photocoupler series high sensitivity 6.rohs compliant.
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 2 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 1. anode,cathode emitter 3. collector 4. 2. anode,cathode tolerance : 0.5[0.02 ] unless otherwise noted. * package dimensions (unit: mm) dip type internal connection diagram top view 2.54 [0.1] 0.25 internal connection diagram
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 3 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 * electro-optical characteristics (ta=25 c) cut-off frequency parameter collector-emitter saturation voltage collector dark current peak forward voltage current transfer ratio forward voltage response time i ctr= x 100% f ic transfer charact- eristics input *1 output =0ma v ce( sat ) rise time fall time ma 10 = =2v, i v t =100 l r ce r f t c v ce =5v, i c =2ma r l =100 , -3db = f i c f ma 5 = c 0ma, i 2 symbol i ceo ctr v fm =1ma, v f i f 0v,i 1 = ce v =2v ce 0.5a = fm i v f =20ma f i conditions kh z 60 300 53 250 6 0. 18 v unit v v 600 -6 7500 10 3.0 typ. 1.2 min. max. 1.4 a % parameter absolute maximum ratings 40 to 60%rh, ac for 1 minute emitter-collector voltage collector power dissipation collector current collector-emitter voltage power dissipation forward current operating temperature for 10 seconds soldering temperature storage temperature isolation voltage total power dissipation output input v 35 ceo v -30~+100 -55~+125 topr tsol tstg c p viso ptot eco v c i c 260 c c mw 150 200 5000 mw rms v 6 80 v ma (ta=25 c) p f i symbol 70 50 mw ma rating unit
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 4 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 10 c o l l e c t o r d a r k c u r r e n t i c e o ( a ) -25 25 0 10 -9 100 75 50 -7 10 -8 10 -6 10 -5 v ce =10v 10 -4 50 f o r w a r d c u r r e n t i f ( m a ) 2.0 1 0.5 0 1.5 1.0 2 3.5 2.5 3.0 5 20 200 100 500 -10 10 -25 r e l a t i o v e c u r r e n t t r a n s f e r r a t i o n ( % ) 50 0 100 150 0 25 75 50 100 50 0.8 0.9 0.7 0.6 0.5 0.4 0.3 0.1 0.2 -25 0 0 25 1.0 100 75 c i f =10ma 40 c o l l e c t o r c u r r e n t i c ( m a ) 0 0 2 13 20 80 60 100 1ma 5 4 2ma 5ma pc(max) fig. 1 current transfor ratio vs. forward current fig. 2 forward current vs. forward voltage fig. 4 relative current transfer ratio vs. ambient temperature fig. 3 collector current vs. collector-emitter voltage fig. 5 collector-emitter saturation voltage vs. ambient temperature fig. 6 collector dark current vs. ambient temperature ta=75 c 50 c 25 c 0 c -25 c 10 ta=25 c ambient temperature ta ( c) 400 800 1200 1600 2000 2400 0 0.1 0.2 0.5 1 234567 10 c u r r e n t t r a n s f e r r a t i o c t r ( % ) v ce =2v ta=25 c i f =1ma v ce =2v c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e v c e ( s a t ) ( v ) i =20ma i =5ma f c ambient temperature ta( c) collector-emitter voltage v ce (v) forward current i f (ma) forward voltage v f (v) ambient temperature ta( )
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 5 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 0.05 v o l t a g e g a i n a v ( d b ) -20 -10 frequency f(khz) 1 0.5 0.2 5 2 50 100 r l =10k 1k fig. 10 frequency response 0.1 load resistance r l (k 0 1 0.05 test circuit for frequency response t d s r v ce =2v i c =2ma ta=25 c 0.2 1 0.5 2 t output l r vcc f t r s d t r e s p o n s e t i m e ( 10 5 d t 90 % 100 50 output input t d input r d output r l 10 % fig. 9 response time vs. load resistance v ce =2v i c =10ma ta=25 c 500 200 test circuit for response time t r t f vcc ambient temperature ta( c) f o r w a r d c u r r e n t i f ( m a ) -25 0 10 0 20 30 ambient temperature ta( c) c o l l e c t o r p o w e r d i s s i p a t i o n p c ( m w ) -25 0 25 50 25 50 75 100 125 100 50 0 75 100 125 fig. 7 forward current vs. ambient temperature 40 50 60 fig. 8 collector power dissipation vs. ambient temperature 150 200
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 6 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 be aware that power is suddenly into the component any surge current may cause damage happen, even if the voltage is within the absolute maximum ratings. 1.recommended soldering conditions (dip soldering) 2.cautions regarding noise avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. * notes on handling (2) cautions fluxes flux cycle temperature (1) dip soldering time rosin flux containing small amount of chlorine (the flux with a maximum chlorine content of 0.2 wt % is recommended.) one cycle allowed to be dipped in solder including plastic mold portion. 260 c or below (molten solder temperature) less than 10 seconds. 3ma 4 3 0 2 0 3.0 1.5 5ma 7 6 5 i c =0.5ma 1ma 8 7ma 50ma 0.5 1.0 2.0 2.5 3.5 4.0 1 c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e v c e ( s a t ) ( v ) ta=25 c fig. 11 collector-emitter saturation voltage vs. forward current forward current i f (ma) be aware that power is suddenly into the component any surge current may cause damage happen, even if the voltage is within the absolute maximum ratings. 1.recommended soldering conditions (dip soldering) 2.cautions regarding noise avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. * notes on handling (2) cautions fluxes flux cycle temperature (1) dip soldering time rosin flux containing small amount of chlorine (the flux with a maximum chlorine content of 0.2 wt % is recommended.) one cycle allowed to be dipped in solder including plastic mold portion. 260 c or below (molten solder temperature) less than 10 seconds. 3ma 4 3 0 2 0 3.0 1.5 5ma 7 6 5 i c =0.5ma 1ma 8 7ma 50ma 0.5 1.0 2.0 2.5 3.5 4.0 1 c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e v c e ( s a t ) ( v ) ta=25 c fig. 11 collector-emitter saturation voltage vs. forward current forward current i f (ma)
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 7 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 within this device there exists gaas (gallium arsenide) material which is a harmful substance if ingested. we are mention about our product quality stablity, semiconductor devices in general can gaas dust and fumes are toxic. do not break, cut or pulverize the product, or use chemicals to dissolve them. caution malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical standards of safety, and to a avoid situations in which a malfunction or failure of a stress. it is the responsibility of the buyer, when utilizing kingbright products, to observe kingbright product could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that kingbright products are used within specified operating ranges as set forth in the most recent products specifications. restrictions on product use the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all devices / types available in every country.
photocoupler KB8241 spec no: dsad1538 rev no: v.6 date: apr/07/2005 page: 8 of 8 approved: j. lu checked: tracy deng drawn: b.h.li erp: 1205000011 tolerance : 0.4[0.012] unless otherwise noted. dimension of tube unit:mm dimension of carton part number package package style KB8241 8- pin dip 50pcs/each tube
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