photo transistors kodenshi korea corp the st-1cl3h is a high sensitivity npn silicon dimensions [unit : mm] phototransistor mounted in a 3 low-cost ceramic package, designed for use as low-cost detector array in consumer and industrial applications. features compact ( 3mm) wide angular response low-cost applications optical counters optical detectors floppy disk drives encoders absolute maximum ratings [t a = 25c] c-e voltage e-c voltage collector current collector power dissipation operating temp storage temp soldering temp *1 *1. for max.5 seconds at the position of 2mm from the package electro-optical characteristics [t a = 25c] spectral sensitivity peak wavelength half angle *2. color temp = 2856k standard tungsten lamp i ceo v ceo =10v - 480~1,000 collector dark current light current c-e saturation voltage switching speeds rise time fall time 5 1 200 v ce (sat) tr i c =0.2ma, 2,000lx *2 na i l ma v ce =3v, 1,000lx *2 0.08 1.5 - i c ma 20 parameter p c mw tsol c 75 -20~+90 v eco v 50 - 3.8 - typ. max. topr. c p v cc =10v, i c= 1ma r l =100 ? nm 880 sec -- degrees ? - unit. symbol conditions min. 260 -30~+100 tstg. c st-1cl3h v ceo v symbol unit 20 rating parameter nm tf - - 2.5 - v sec - 0.15 0.4 - 1 -
photo transistors kodenshi korea corp st-1cl3h collector current vs. collector-emitter voltage dark current vs. ambient temperature input output fp i cc v out v c ir l 90% 10% tf tr switching time measurement circuit 20 60 80 power dissipation(pd) 100 40 80 ambient temperature(ta) 40 0 0 20 60 100 () (?) p ta=25 ta=25 v ce =3v v ce =10v collector current(i ) collector-emitter voltage(v ) 0 0 26 48 ce (?) c (v) 1 2 3 4 ev=3,000? ev=2,000? ev=500? ev=1,000? 5 collector current(i ) 10 (lux) c illminance(e ) 10 10 10 1 234 10 -1 0 10 10 1 2 10 (ma) v collector dark current(i ) 40 ambient temperature(ta) 020 () 80 60 100 ceo 120 10 10 10 10 -1 0 1 2 collector current vs. illuminance relative sensitivity vs. wavelength radiant pattern switching time vs. load resistance v cc = 10v i c =1? ta = 25 tf tr td ta=25 80 spectral sensitivity 500 20 400 0 40 60 700 wavelength( ) 600 800 900 (?) 1000 1100 100 (%) response time tr, tf road resistance(r ) ( ) (?) 10 10 10 10 0 1 2 3 10 2 10 10 34 10 5 l ? angle(deg.) relative intensity(%) + 1 0 0 5 0 1 0 0 0 + 8 0 + 2 0 + 6 0 + 4 0 5 0 0 1 0 0 5 0 - 1 0 0 ta=25 - 6 0 - 2 0 - 4 0 - 8 0 collector power dissipation vs. ambient temperature - 2 -
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