7/12/00 db92538m-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 low input current phototransistor optical ly coupled isol ators appro v als l ul recognised, file no. e91231 description the sfh615a series of optically coupled isolators consist of infrared light emitting diodes and npn silicon photo transistors in space efficient dual in line plastic packages. fe atures 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 (40-320% at 10ma, 13% min at 1ma) l high isolation v oltage (5.3kv rms ,7.5kv pk ) l high bv ceo (70v min) l all electrical parameters 100% tested l custom electrical selections available applic ations l computer terminals l industrial systems controllers l measuring instruments l signal transmission between systems of different potentials and impedances 5.08 4.08 SFH615A-1, sfh615a-2, sfh615a-3, sfh615a-4 absolute maximum r atings (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 reverse v oltage 6v power dissipation 70mw output transistor collector-emitter v oltage bv ceo 70v emitter-collector v oltage bv eco 6v power dissipation 150mw power dissi pa tion total power dissipation 200mw (derate linearly 2.67mw/ c above 25c) option g 7.62 surface mount option sm 10.16 0.26 isocom components lt d unit 25b, park view road west, park v iew industrial estate, brenda road hartlepool, cleveland, ts25 1yd tel: (01429) 863609 fax :(01429) 863581 10.46 9.86 0.6 0.1 1.25 0.75
7/12/00 parameter min typ max units test condition input forward voltage (v f ) 1.65 v i f = 50ma reverse voltage (v r ) 6 v i r = 10 m a reverse current (i r ) 10 m a v r = 6v 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 ) SFH615A-1,2 50 na v ce = 10v sfh615a-3,4 100 na coupled current transfer ratio (ctr) (note 2) SFH615A-1 40 80 % 10ma i f , 5v v ce sfh615a-2 63 125 % sfh615a-3 100 200 % sfh615a-4 160 320 % SFH615A-1 13 % 1ma i f , 5v v ce sfh615a-2 22 % sfh615a-3 34 % sfh615a-4 56 % 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. switching characteristics 1. linear operation ( without saturation) fig 1. i f = 10ma, v cc = 5v, r l = 75 w t on t r t off t f f co units 2. switching operation (with saturation) fig 2 v cc = 5v, r l = 1k w 4.2 3.0 23 14 6.0 4.6 25 15 s s s s v units < 0.4 group v cc = 5.0v v cc = 5.0v r l = 75 w r l = 1k w output output fig 2 fig 1 t on t off 10% 90% 90% turn-on time rise time turn-off time fall time cut-off frequency s s s s khz turn-on time rise time turn-off time fall time t on t r t off t f v cesat -2 and -3 (i f =10ma) - 4 (i f =5ma) t r t f input output 10% -1 (i f =20ma) 3.0 2.0 18 11 3.0 2.0 2.3 2.0 250 db92538m-aas/a1
7/12/00 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 i f = 10ma v ce = 5v relative current transfer ratio vs. ambient temperature relative current transfer ratio collector current vs. collector-emitter voltage ( normalised to sfh615a-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 10 15 20 30 50 -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 sfh615a-2 sfh615a-3 sfh615a-4 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) SFH615A-1 db92538m-aas/a1
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