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 6/8/08 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 low input current phototransistor optically coupled isolators approvals z ul recognised, file no. e91231 package code " ee " 'x' specification approvals z vde 0884 in 3 available lead form :- - std - g form - smd approved to cecc 00802 z certified to en60950 by :- nemko - certificate no. p01102465 description the sfh618 series of optically coupled isolators consist of infrared light emitting diodes and npn silicon photo transistors in space efficient dual in line plastic packages. features z options :- 10mm lead spread - add g after part no. surface mount - add sm after part no. tape&reel - add smt&r after part no. z low input current 0.5ma i f z high current transfer ratios (63-320% at 1ma, 32% min at 0.5ma) z high isolation voltage (5.3kv rms ,7.5kv pk ) z high bv ceo (55v min) z all electrical parameters 100% tested z custom electrical selections available applications z computer terminals z industrial systems controllers z measuring instruments z signal transmission between systems of different potentials and impedances 5.08 4.08 db92370 10.16 0.26 7.62 option sm surface mount option g 10.46 9.86 0.6 0.1 1.25 0.75 dimensions in mm sfh618a-2x, SFH618A-3X, sfh618a-4x, sfh618-2, sfh618-3, sfh618-4
input forward voltage (v f ) 1.5 v i f = 5ma reverse current (i r )10 av r = 6v output collector-emitter breakdown (bv ceo )55 v i c = 1ma ( note 2 ) emitter-collector breakdown (bv eco ) 6 v i e = 100 a collector-emitter dark current (i ceo ) 200 n a v ce = 10v coupled current transfer ratio (ctr) (note 2) sfh618-2 63 125 % 1ma i f , 0.5v v ce sfh618-2 32 % 0.5ma i f , 1.5v v ce sfh618-3 100 200 % 1ma i f , 0.5v v ce sfh618-3 50 % 0.5ma i f , 1.5v v ce sfh618-4 160 320 % 1ma i f , 0.5v v ce sfh618-4 80 % 0.5ma i f , 1.5v v ce collector-emitter saturation voltage v cesat sfh618-2 0.4 v 1ma i f , 0.32ma i c sfh618-3 0.4 v 1ma i f , 0.5ma i c sfh618-4 0.4 v 1ma i f , 0.8ma 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 v io = 500v (note 1) output rise time, tr 4 18 sv ce = 2v, i c = 2ma output fall time, tf 3 18 sr l = 100 db92370m-aas/a4 6/8/08 parameter min typ max units test condition 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. absolute maximum ratings (25c unless otherwise specified) storage temperature -55c to + 125c operating temperature -30c to + 100c lead soldering temperature (1/16 inch (1.6mm) from case for 10 secs) 260c input diode forward current 50ma reverse voltage 6v power dissipation 70mw output transistor collector-emitter voltage bv ceo 55v emitter-collector voltage bv eco 6v collector current 50ma power dissipation 150mw power dissipation total power dissipation 200mw (derate linearly 2.67mw/ c above 25c)
db92370m-aas/a4 6/8/08 50 -30 0 25 50 75 100 125 ambient temperature t a ( c ) 150 0 200 ambient temperature t a ( c ) collector power dissipation p c (mw) 60 30 20 10 0 40 50 -30 0 25 50 75 100 125 collector power dissipation vs. ambient temperature forward current vs. ambient temperature -30 0 25 50 75 100 ambient temperature t a ( c ) collector-emitter voltage v ce ( v ) collector-emitter saturation voltage v ce(sat) (v) collector-emitter saturation voltage vs. ambient temperature 100 t a = 25c 0 0.8 1.2 1.6 2.0 0 0.04 0.08 0.12 0.16 0.20 0.24 0.28 forward current i f (ma) 0 0.2 0.4 0.6 0.8 1.0 collector current i c (ma) relative current transfer ratio current transfer ratio vs. forward current (normalized to sfh618-2 & sfh618-3) forward current i f (ma) current transfer ratio ctr (%) 0 40 60 80 100 0 0.5 1.0 i f = 0.5ma i f = 1ma 0.4 0.1 0.2 0.5 1 2 5 120 20 i f = 1ma i c = 0.5ma 1.5 i f = 1ma v ce = 0.5v -30 0 25 50 75 100 ambient temperature t a ( c ) relative current transfer ratio vs. ambient temperature v ce = 0.5v t a = 25 c collector current vs. low collector-emitter voltage (normalized to sfh618-2 & sfh618-3)
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