features ? widely applicable ? gap : 3.0mm ? compact & light applications ? printers ? copiers ? atm absolute maximum ratings (ta=25 ? ) electro-optical characteristics (ta=25 ? ) 1/2 pulse forward current *1 25 - *2. no icebound or dew mw ? ? p c emitter collector voltage mw ? f=1khz, v=0v tf v ce(sat) 15 tr - i ceo a v ce =10v, 0 lux ma 60 i f =20ma, i c =0.1ma -30 ~ +85 ma ? p i l c t - v r =5v - - - - - - typ. 1.2 parameter 260 input peak wavelength i f =20ma min. - t sol 100 ? timers v a rating 5 1 i fp reverse voltage 1.5 KPI23FTH KPI23FTH combines a high-output gaas ired with dimensions the photointerrupter high-performance standard type description a high sensitivity phototransistor. ? 0.1 v - - 0.4 5 ma v ce =5v, i f =20ma (non-shading) 0.5 s s v cc =5v, i c =2ma, r l =100 ? - - 5 - coupled rise time collector emitter saturation voltage response time fall time light current soldering temperature *3 power dissipation collector emitter voltage i f v r v ceo collector current storage temperature *2 t stg collector power dissipation output forward voltage reverse current capacitance dark current ? connector type v v 30 5 symbol forward current unit photointerrupter(transmissive) operating temperature *2 t opr i c 40 100 v eco p d parameter *1. pulse width : tw ?a 100 sec.period : t=10msec *3. for max. 5 seconds at the position of 1mm from the package i r symbol v f conditions -20 ~ +75 input output 10 max. nm - 940 - unit v a
photointerrupter(transmissive) 2/2 KPI23FTH i =20ma f relative light current(i ) ambient temperature(ta) response time tr, tf 10 10 2 1 road resistance(r ) 10 2 10 10 l 3 4 tr tf ? ( ) 10 3 ( ? ) c ta=25a i =10ma cc f v =5v 0 0 -20 50 100 detection characteristic method of measuring position - optical axis(x) ? 0 output tr td optical axis(y) 10% tf 90% c response time measurement circuit input input i 20 40 0 60 (?) v v l r out cc forward voltage(v ) ( ? ) ( ? ) 0 0 power dissipation(p ) 50 100 c (?) ambient temperature(ta) 40 20 60 80 l (%) 0 0.5 0 forward current(i f ) 50 100 v =5v ce 1.5 1.0 f 2.0 (v) ta=25a c relative light current(i ) 0 moving distance(l) 0 -2 0 -2 +2 50 (mm) +2 (%) x 100 l v =5v cc i =10ma ta=25a f y c cc v =5v f i =10ma ta=25a c light current(i ) collector-emitter voltage(v ) i =10ma i =20ma i =30ma 1 0 0 4 2 2 ce f 6 10 8 f f (v) 12 i =50ma i =40ma ( ? ) l 4 3 5 ta=25a f f c v =5v forward current(i ) 2 light current(i ) 1 0 0 10 20 l 4 3 (ma) f 40 30 ta=25a ce c ( ? ) 0 0 50 100 ( ? ) 60 ambient temperature(ta) 20 40 80 (?) collector power dissipation vs. ambient temparature forward current vs. forward voltage light current vs. forward current light current vs. collentor-emitter voltage relative light current vs. ambient temperature switching time vs. load resistance relative light current vs. moving distance power dissipartion( p c ) forward current( i f ) light current( i l ) ambient temperature(ta) forward voltage( v f ) forward current( i f ) light current( i l ) relative light current( i l ) response time tr, tf relative light current( i l ) collector-emitter voltage( v ce ) ambient temperature( ta ) load resistance( r l ) moving distance( l ) response time measurement circuit optical axis(x) optical axis(y) detection characteristic method of measuring position
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