RPI-441C1 sensors photointerrupter, double-layer mold type RPI-441C1 the RPI-441C1 is a compact, double-layer mold photointerrupter. while the gap has a width of 4mm, the body has the compact dimensions of 8mm(w) 5.2mm(h) 4.2mm(d). z z z z applications optical control equipment facsimiles printers z z z z features 1) compact with a 4mm gap. 2) high precision position detection(slit width of 0.5mm). 3) minimal influence from stray light. 4) low collector-emitter voltage. z z z z external dimensions (units : mm) 3.25 0.1 optical axis center 4.2 0.5 8 0.5 4 ? 0.5 4 ? 0.2 (6.7) 4.2 5.2 (2.5) a 3.6 gap 4 0.5 3.6 0.5 2 ? c0.6 cross-section a-a 1.2 1.2 (2.4) notes: 1. tolerances are 0.2 unless otherwise indicated. 2. values in parenthesis are for reference. anode emitter cathode collector a 1.2 ? 0.05 + 0 co.4 z z z z absolute maximum ratings (ta = 25 c) parameter symbol i c v ceo p d v r i f p c v eco topr tstg limits ? 25~ + 85 ? 30~ + 85 50 5 80 30 4.5 30 80 unit ma v mw v v ma mw c c forward current reverse voltage power dissipation collector-emitter voltage emitter-collector voltage collector current collector power dissipation operating temperature storage temperature input ( led ) output photo- transistor ( )
RPI-441C1 sensors z z z z electrical and optical characteristics (ta = 25 c) parameter symbol v f i r i ceo p i c v ce(sat) t r t f min. ? ? ? ? 0.2 ? ? typ. 1.3 ? ? 800 1.0 ? 10 max. 1.6 10 0.5 ? ? 0.4 ? unit v i f = 50ma v r = 5v v ce = 10v ? v ce = 5v, i f = 20ma i f = 20ma, i c = 0.1ma v cc = 5v, i f = 20ma, r l = 100 ? a a nm ma v s conditions forward voltage input charac- teristics output charac- teristics transfer charac- teristics response time collector-emitter saturation voltage collector current peak sensitivity wavelength dark current reverse current z z z z electrical and optical characteristic curves power dissipation / collector power dissipation : p d / p c (mw) ambient temperature : ta ( c) fig.1 power dissipation and collector power dissipation vs. ambient temperature ? 20 0 40 60 80 20 100 0 20 40 60 80 100 120 p d p c forward current : i f (ma) forward voltage : v f (v) fig.2 forward current vs. forward voltage 0 10 20 30 40 50 0.4 0 0.8 1.2 2.0 1.6 75 c 50 c 25 c 0 c ? 25 c collector current : i c (ma) forward current : i f (ma) fig.3 collector current vs. forward current 040 30 10 20 50 0 1.0 2.0 ambient temperature : ta ( c) fig.4 dark current vs. ambient temperature dark current : i ceo (na) 0 25 50 75 100 ? 25 0.1 1 10 100 1000 v ce = 10v v ce = 20v v ce = 30v relative collector current : i c (%) ambient temperature : ta ( c) 0 ? 25 25 0 100 75 50 100 50 0 fig.5 relative output vs. ambient temperature relative collector current : i c (%) distance : d (mm) 0 3.0 1.0 2.0 100 50 0 v ce = 5v i f = 20ma ta = 25 c d fig.6 relative output vs. distance ( )
RPI-441C1 sensors relative collector current : i c (%) distance : d (mm) 0 3.0 1.0 2.0 100 50 0 fig.7 relative output vs. distance ( ? ) d v ce = 5v i f = 20ma ta = 25 c collector current : i c (ma) fig.8 response time vs. collector current 10 0.1 1 1 10 100 response time : t r ( s) r l = 100 ? r l = 1k ? r l = 500 ? ? 20 0 20 40 60 80 100 10 50 40 30 20 0 ambient temperature : ta ( c) forward current : i f (ma) fig.9 forward current vs. ambient temperature collector current : i c (ma) collector-emitter voltage : v ce (v) fig.10 output characteristics 48 610 2 0 0 1 2 3 4 5 i f = 50ma 40ma 30ma 20ma 10ma fig.11 response time measurement circuit t d t r t f 10% 90% r l v cc input input output output t d : t r : t f : delay time rise time (time for output current to rise from 10% to 90% of peak current) fall time (time for output current to fall from 90% to 10% of peak current)
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