166 ee-sb5(-b) photomicrosensor (reflective) photomicrosensor (reflective) ee-sb5(-b) dimensions note: all units are in millimeters unless otherwise indicated. features ? dust-tight construction. ? with a visible-light intercepting fi lter which allows objects to be sensed without being greatly infl uenced by the light radiated from fluorescent lamps. ? mounted with m3 screws. ? model with soldering terminals (ee-sb5). ? model with pcb terminals (ee-sb5-b). absolute maximu m ratings (ta = 25 c) note: 1. refer to the temperature rating chart if the ambient temper- ature exceeds 25 c. 2. the pulse width is 10 s maximum with a frequency of 100 hz. 3. complete soldering within 10 seconds. electrical and optical characteristics (ta = 25 c) note: the letter ?d? indicates the distance between the t op surface of the sensor and the sensing object. internal circuit terminal no. name a anode k cathode c collector e emitter dimensions tolerance 3 mm max. 0.3 3 < mm 6 0.375 6 < mm 10 0.45 10 < mm 18 0.55 18 < mm 30 0.65 a k c e optical axis optical axis two, 3.2 0.2 dia. holes four, 0.5 four, 0.25 ee-sb5 ee-sb5-b 11.50.2 90.2 7.620.3 2.540.2 2.540.2 unless otherwise specified, the tolerances are as shown below. item symbol rated value emitter forward current i f 50 ma (see note 1) pulse forward cur- rent i fp 1 a (see note 2) reverse voltage v r 4 v detector collector?emitter voltage v ceo 30 v emitter?collector voltage v eco --- collector current i c 20 ma collector dissipa- tion p c 100 mw (see note 1) ambient tem- perature operating topr ?25 c to 80 c storage tstg ?30 c to 80 c soldering temperature tsol 260 c (see note 3) item symbol value condition emitter forward voltage v f 1.2 v typ., 1.5 v max. i f = 30 ma reverse current i r 0.01 a typ., 10 a max. v r = 4 v peak emission wavelength p 940 nm typ. i f = 20 ma detector light current i l 200 a min., 2,000 a max. i f = 20 ma, v ce = 10 v white paper with a reflection ratio of 90%, d = 5 mm (see note) dark current i d 2 na typ., 200 na max. v ce = 10 v, 0 l x leakage current i leak 2 a max. i f = 20 ma, v ce = 10 v with no reflec- tion collector?emitter saturated volt- age v ce (sat) --- --- peak spectral sensitivity wave- length p 850 nm typ. v ce = 10 v rising time tr 30 s typ. v cc = 5 v, r l = 1 k , i l = 1 ma falling time tf 30 s typ. v cc = 5 v, r l = 1 k , i l = 1 ma be sure to read precautions on page 25.
ee-sb5(-b) photomicrosensor (reflective) 167 engineering data forward current vs. collector dissipation temperature rating light current vs. forward current characteristics (typical) light current vs. collector ?emitter voltage characteristics (typical) relative light current vs. ambient temperature characteristics (typical) dark current vs. ambient temperature characteristics (typical) response time vs. load resistance characteristics (typical) sensing distance characteristics (typical) response time measurement circuit distance d 2 (mm) sensing angle characteristics (typical) angle deviation ( ) input output input output 90 % 10 % v ce = 10 v 0lx i f = 20 ma v ce = 5 v v cc = 5 v ta = 25 c distance d (mm) sensing position characteristics (typical) sensing object: white paper with a reflection fac tor of 90% sensing object: white paper with a reflection factor of 90% i f = 20 ma i f = 10 ma i f = 30 ma i f = 40 ma ta = 25 c i f = 20 ma v ce = 10 v sensing object: white paper with a reflection factor of 90% sensing object: white paper with a reflection factor of 90% ta = 25 c i f = 20 ma v ce = 10 v d = 5 mm sensing object: white paper with a reflection factor of 90% i f = 20 ma v ce = 10 v ta = 25 c d 1 = 5 mm sensing position characteristics (typical) load resistance r l (k) dark current i d (na) ambient temperature ta ( c) forward current i f (ma) forward current i f (ma) collector? emitter voltage v ce (v) light current i l (ma) ambient temperature ta ( c) ambient temperature ta ( c) response time tr, tf ( s) relative light current i l (%) relative light current i l (%) light current i l (ma) relative light current i l (%) i f = 20 ma v ce = 10 v ta = 25 c d 1 = 5 mm distance d 2 (mm) d = 5 mm ta = 25 c ta = 25 c v ce = 10 v d = 5 mm relative light current i l (%) light current i l (a) sensing object: white paper with a reflection factor of 90% collector dissipation p c (mw)
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