1 transmissive photosensors (photo interrupters) pin connection 13.0 0.3 *9.6 0.3 23 14 25.0 0.35 19.0 0.2 3.0 0.2 2-0.45 0.2 3.0 0.3 2.5 0.2 10.0 0.2 7.0 min. *2.54 0.2 device center mark for indicating led side 2-?3.2 0.2 cnz1122 6.2 0.2 unit : mm *9.4 0.3 *2.54 0.2 4- 0.45 0.2 3.0 0.3 device center 13.0 0.3 3.5 0.2 3.0 0.2 mark for indicating led side pin connection cnz1128 unit : mm 2.5 0.2 10.0 0.2 7.0 min. 6.2 0.2 23 14 23 14 23 14 (note) * is dimension at the root of leads (note) * is dimension at the root of leads cnz1122, cnz1128 (on1122, on1128) photo interrupters for contactless sw, object detection features highly precise position detection : 1.2 mm fast response : t r , t f = 6 s (typ.) using small package for saving mounting space (cnz1128) small output current variation against change in temperature absolute maximum ratings (ta = 25?c) parameter symbol ratings unit input (light reverse voltage (dc) v r 3v emitting diode) forward current (dc) i f 25 ma power dissipation p d *1 70 mw collector current i c 20 ma output (photo collector to emitter voltage v ceo 30 v transistor) emitter to collector voltage v eco 5v collector power dissipation p c *2 100 mw temperature operating ambient temperature t opr C25 to +85 ?c storage temperature t stg C30 to +100 ?c *1 input power derating ratio is 0.93 mw/?c at ta 25?c. *2 output power derating ratio is 1.33 mw/?c at ta 25?c. overview cnz1122 and cnz1128 are a photocoupler in which a visible light emitting diode is used as the light emitting element, and a high sensitivity phototransistor is used as the light detecting element. the two elements are arranged so as to face each other, and objects passing between them are detected. note) the part numbers in the parenthesis show conventional part number.
2 transmissive photosensors (photo interrupters) cnz1122,cnz1128 (input pulse) (output pulse) 50 ? r l t d : delay time t r : rise time (time required for the collector current to increase from 10% to 90% of its final value) t f : fall time (time required for the collector current to decrease from 90% to 10% of its initial value) v cc sig.out 10% 90% sig.in t d t r t f 40 30 20 10 ambient temperature ta (?c ) 0 20406080100 0 C 25 i f v f 32 16 8 24 forward voltage v f (v) forward current i f (ma) 0.4 0.8 1.2 1.6 2.4 2.0 0 0 ta = 25?c i c i f 10 2 10 1 10 C1 forward current i f (ma) collector current i c (ma) 11010 2 10 C2 10 C1 v ce = 10v ta = 25?c i f , i c ta forward current, collector current i f , i c (ma) i f i c electrical characteristics (ta = 25?c) parameter symbol conditions min typ max unit input forward voltage (dc) v f i f = 20ma 2.1 2.8 v characteristics reverse current (dc) i r v r = 3v 5 a output collector cutoff current i ceo v ce = 10v 200 na characteristics collector to emitter capacitance c c v ce = 10v, f = 1mhz 5 pf transfer collector current i c *2 v ce = 10v, i f = 15ma 0.3 ma characteristics response time t r , t f *1 v cc = 10v, i c = 1ma, r l = 100 ? 6 s collector to emitter saturation voltage v ce(sat) i f = 25ma, i c = 0.1ma 0.5 v *1 switching time measurement circuit *2 i c classifications class q r s i c (ma) 0.3 to 0.75 0.55 to 1.30 >1.10
3 cnz1122,cnz1128 tr ansmissive photosensors (photo interrupters) i c v ce 10 2 10 1 10 C1 collector to emitter voltage v ce (v) collector current i c (ma) 11010 2 10 C2 10 C1 i f = 20ma ta = 25?c relative output current i c (%) i c ta 160 120 80 40 ambient temperature ta (?c ) 0 v ce = 10v i f = 15ma i ceo ta 10 10 C1 10 C2 1 ambient temperature ta (?c ) v ce = 10v dark current i ceo ( a) 10 C3 C 40 0 40 80 120 110 10 C1 t r i c 10 1 collector current i c (ma) rise time t r ( s) 10 C1 10 C2 10 3 10 2 v cc = 10v ta = 25?c 100 ? r l = 1k ? 500 ? i c d 100 60 40 20 80 distance d (mm) relative output current i c (%) 12 6 5 4 3 0 0 v ce = 10v ta = 25?c i f = 15ma 0 20406080100 C 40 C 20 20 60 100 C 20 d 10% 90% t d t r t f r l v cc v 1 v 2 v 1 v 2 sig. out 50 ? sig.in 1
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