isocom components ltd unit 25b, park view road west, park view industrial estate, brenda road hartlepool, cleveland, ts25 1yd tel: (01429) 863609 fax :(01429) 863581 30/7/97 db92307-aas/a1 1.2 3.0 4.0 3.0 3.35 7.0 6.0 0.5 0.5 7.62 1 2 4 3 0.26 13 max 2.54 dimensions in mm approvals l ul recognised, file no. e91231 'x' specification approvals l certified to en60950 by the following test bodies :- nemko - certificate no. p96102022 fimko - registration no. 192313-01..25 semko - reference no. 9639052 01 demko - reference no. 305969 l vde 0884 approval pending description the sfh620 series of optically coupled isolators consist of inverse parallel infrared light emitting diodes and npn silicon photo transistors in space efficient dual in line plastic packages. features l options :- 10mm lead spread - add g after part no. surface mount - add sm after part no. tape&reel - add smt&r after part no. l low input current 1ma i f l high current transfer ratios l high isolation voltage (5.3kv rms ,7.5kv pk ) l high bv ceo (70v min) l ac or polarity insensitive input l all electrical parameters 100% tested l custom electrical selections available applications l computer terminals l industrial systems controllers l measuring instruments l telephone sets, telephone exchanges l signal transmission between systems of different potentials and impedances 5.08 4.08 absolute maximum ratings (25c unless otherwise specified) storage temperature -55c to + 125c operating temperature -55c to + 100c lead soldering temperature (1/16 inch (1.6mm) from case for 10 secs) 260c input diode forward current 50ma power dissipation 70mw output transistor collector-emitter voltage bv ceo 70v emitter-collector voltage bv eco 6v power dissipation 150mw power dissipation total power dissipation 200mw (derate linearly 2.67mw/ c above 25c) 10.16 0.26 7.62 10.2 9.5 option sm surface mount option g 1.4 0.9 1.2 0.6 ac input phototransistor optically coupled isolators sfh620-1x, sfh620-2x, sfh620-3x sfh620-1, sfh620-2, sfh620-3
db92307-aas/a1 30/7/97 parameter min typ max units test condition input forward voltage (v f ) 1.65 v i f = 50ma output collector-emitter breakdown (bv ceo )70 v i c = 1ma ( note 2 ) emitter-collector breakdown (bv eco ) 6 v i e = 100 m a collector-emitter dark current (i ceo ) sfh620-1,2 50 na v ce = 10v sfh620-3 100 na coupled current transfer ratio (ctr) (note 2) sfh620-1 40 125 % 10ma i f , 5v v ce sfh620-2 63 200 % sfh620-3 100 320 % sfh620-1 13 % 1ma i f , 5v v ce sfh620-2 22 % sfh620-3 34 % collector-emitter saturation voltage v cesat 0.4 v 10ma i f , 2.5ma i c input to output isolation voltage v iso 5300 v rms see note 1 7500 v pk see note 1 input-output isolation resistance r iso 5x10 10 w v io = 500v (note 1) electrical characteristics ( t a = 25c unless otherwise noted ) note 1 measured with input leads shorted together and output leads shorted together. note 2 special selections are available on request. please consult the factory. 1. linear operation ( without saturation) fig 1. i f = 10ma, v cc = 5v, r l = 75 w, t a = 25c t on t r t off t f f co units turn-on time rise time turn-off time fall time cut-off frequency s s s s khz 3.0 2.0 2.3 2.0 250 switching characteristics output output input 10% 90% 90% 10% t on t r fig 1 t off t f r l = 75 w v cc
db92307-aas/a1 30/7/97 50 ambient temperature t a ( c ) 150 0 200 collector power dissipation p c (mw) collector power dissipation vs. ambient temperature -30 0 25 50 75 100 100 0 0.5 1.0 1.5 relative current transfer ratio vs. ambient temperature relative current transfer ratio collector current vs. collector-emitter voltage ( normalized to sfh620-2 & sfh620-3 ) collector-emitter voltage v ce ( v ) collector current i c (ma) 0 2 4 6 8 10 0 10 20 30 40 50 t a = 25c -30 0 25 50 75 100 125 -30 0 25 50 75 100 ambient temperature t a ( c ) collector-emitter saturation voltage v ce(sat) (v) collector-emitter saturation voltage vs. ambient temperature 0 0.04 0.08 0.12 0.16 0.20 0.24 0.28 i f = 10ma i c = 2.5ma ambient temperature t a ( c ) i f = 5ma 0 80 120 160 200 240 40 280 320 forward current i f (ma) current transfer ratio vs. forward current current transfer ratio ctr (%) v ce = 5v t a = 25c 1 2 5 10 20 50 sfh620-2 sfh620-3 ambient temperature t a ( c ) 60 30 20 10 0 40 50 -30 0 25 50 75 100 125 forward current vs. ambient temperature forward current i f (ma) sfh620-1 10 15 20 30 50 i f = 10ma v ce = 5v
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