fea tures inexpensive opaque plastic housing 0.125" (3.18 mm) wide slot 0.290" (7.37 mm) lead spacing apertured for high resolution photodarlington output de scrip tion the opb853a series of slotted optical switches consist of an infrared emitting diode and an npn silicon photodarlington. they are mounted on opposite sides of a 0.125" (3.18 mm) wide slot. the emitter has a 0.050" x 0.050" (1.27 mm x 1.27 mm) molded-in aperture while the photodarlington has a 0.010" x 0.050" (0.254 mm x 1.27 mm) molded-in aperture. ab so lute maxi mum rat ings (t a = 25 o c un less oth er wise noted) stor age and op er at ing tem pera ture range . . . . . . . . . . . . . . . . . . . . . . . . -40 o c to +85 o c lead sol der ing tem pera ture [1/16 inch (1.6 mm) from case for 5 sec. with sol der ing iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 o c (1) in put di ode for ward dc cur rent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ma peak for ward cur rent (1 m s pulse width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . 3.0 a re verse dc volt age . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 v power dis si pa tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mw (2) out put pho to dar ling ton collector- emitter volt age . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 v emitter- collector volt age . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 v power dis si pa tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mw (2) notes: (1) rma flux is recommended. duration can be extended to 10 sec. max. when flow soldering. (2) derate linearly 1.67 mw/ o c above 25 o c. (3) all parameters tested using pulse technique. (4) methanol and isopropanol are recommended as cleaning agents. housings are soluble in chlorinated hydrocarbons and ketones. highly activated, water soluble fluxes may attack housings in some situations. prod uct bul le tin op b853a july 1996 slot ted op ti cal switches types op b853a1, op b853a2, op b853a3 op tek tech nol ogy, inc. 1215 w. crosby road car roll ton, texas 75006 (97 2) 323- 2200 fax (972) 323- 2396 12-120
types OPB853A1, opb853a2, opb853a3 optek reserves the right to make changes at any time in order to improve design and to supply the b est product possible. op tek tech nol ogy, inc. 1215 w. crosby road car roll ton, texas 75006 (97 2) 323- 2200 fax (972) 323- 2396 elec tri cal char ac ter is tics (t a = 25 o c un less oth er wise noted) sym bol pa rame ter min max units test con di tions in put di ode v f forward voltage 1.7 v i f = 20 ma i r reverse current 100 m a v r = 2 v out put pho to tran sis tor v (br)ceo collector-emitter breakdown voltage 15 v i c = 1 ma v (br)eco emitter-collector breakdown voltage 5.0 v i e = 100 m a i ceo collector-emitter dark current 100 na v ce = 10 v cou pled v ce(sat) saturation voltage 1.0 v i c = 1.8 ma, i f = 10 ma i c(on) on-state collector current OPB853A1 opb853a2 opb853a3 2.5 5.0 10.0 ma ma ma v ce = 1.5 v, i f = 5 ma v ce = 1.5 v, i f = 5 ma v ce = 1.5 v, i f = 5 ma 12-121
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