ISP521-1x, isp521-2x, isp521-4x ISP521-1, isp521-2, isp521-4 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 27/11/08 0.26 20.32 19.32 4.0 3.0 0.5 7.62 13 max 7.0 6.0 2.54 1.2 0.5 3.0 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 10.16 0.26 7.62 3.0 10.16 9.16 4.0 3.0 3.35 0.5 7.0 6.0 7.62 2 3 4 7 6 5 1.2 13 max 0.5 0.26 2.54 dimensions in mm high density mounting 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 ISP521-1 , isp521-2 , isp521-4 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 high current transfer ratio ( 50% min) z high isolation voltage (5.3kv rms ,7.5kv pk ) z high bv ceo ( 55vmin ) 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 option sm surface mount option g 3.35 5.08 4.08 18 ISP521-1x ISP521-1 isp521-2x isp521-2 isp521-4x isp521-4 1 2 3 7 8 16 15 10 9 611 512 14 413 db92252 10.46 9.86 0.6 0.1 1.25 0.75
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 5v 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) db92252 parameter min typ max units test condition input forward voltage (v f ) 1.0 1.15 1.3 v i f = 10ma reverse current (i r )10 av r = 4v output collector-emitter breakdown (bv ceo )55 v i c = 0.5ma ( note 2 ) emitter-collector breakdown (bv eco ) 6 v i e = 100 a collector-emitter dark current (i ceo ) 100 n a v ce = 20v coupled current transfer ratio (ctr) (note 2) ISP521-1, isp521-2, isp521-4 50 600 % 5ma i f , 5v v ce ctr selection available bl 200 600 % gb 100 600 % gb 30 % 1ma i f , 0.4v v ce collector-emitter saturation voltagev ce (sat) 0.4 v 8ma i f , 2.4ma i c -gb 0.4 v 1ma i f , 0.2ma 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) rise time, tr 4 sv ce = 2v , fall time, tf 3 si c = 2ma, r l = 100 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. 27/11/08 electrical characteristics ( t a = 25c unless otherwise noted )
db92252 27/11/08 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 5 10 15 20 25 0 0.04 0.08 0.12 0.16 0.20 0.24 0.28 i f = 5ma i c = 1ma forward current i f (ma) collector current vs. low collector-emitter voltage 5 10 20 30 40 50 0 0.2 0.4 0.6 0.8 1.0 collector current i c (ma) i f = 2ma collector current vs. collector-emitter voltage collector-emitter voltage v ce ( v ) collector current i c (ma) current transfer ratio vs. forward current forward current i f (ma) current transfer ratio ctr (%) 1 2 5 10 20 50 0 80 120 160 200 240 0 2 4 6 8 10 0 10 20 30 40 50 40 50 30 20 10 15 t a = 25c 280 320 i f = 5ma v ce = 5v t a = 25c
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