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| Transmissive Photosensors (Photo Interrupters) CNZ1120 Photo Interrupter For contactless SW, object detection Overview CNZ1120 is a photocoupler in which a high efficiency GaAs infrared 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. 19.00.35 10.00.3 A 14.00.2 3.00.2 (2.0) Unit : mm 6.20.25 2-C0.5 Features Wide gap between emitting and detecting elements, suitable for thick plate detection Gap : 10mm Fast response : tr, tf = 6 s (typ.) The external case is molded using visible light cutoff resin. The case has no openings, so the photosensor is not easily susceptible to output attenuation resulting from dust or particles 3.0 min. A' (15.5) 2-0.45 (2.54) SEC. A-A' 2 3 2 3 1 4 1 Pin connection 4 (Note) ( ) Dimension is reference Absolute Maximum Ratings (Ta = 25C) Parameter Input (Light Forward current (DC) emitting diode) Power dissipation Collector current Reverse voltage (DC) Symbol Ratings VR IF PD*1 IC 3 50 75 20 20 5 100 -5 to +60 -15 to +65 Unit V mA mW mA V V mW C C *1 Output (Photo Collector to emitter voltage VCEO transistor) Emitter to collector voltage VECO Collector power dissipation Temperature Operating ambient temperature Storage temperature PC*2 Topr Tstg Input power derating ratio is 1.0 mW/C at Ta 25C. *2 Output power derating ratio is 1.33 mW/C at Ta 25C. Electrical Characteristics (Ta = 25C) Parameter Input characteristics Reverse current (DC) Forward voltage (DC) Symbol VF IR ICEO CC IC VR = 3V VCE = 10V, IF = 0mA, ID = 0mA*1 VCE = 10V, f = 1MHz VCE = 10V, IF = 20mA, RL = 100 1.0 6 0.4 5 Conditions IF = 50mA min typ 1.2 max 1.5 10 200 Unit V A nA pF mA s V Collector cutoff current Output characteristics Collector to emitter capacitance Collector current Transfer Response time tr , tf*2 VCC = 10V, IC = 1mA, RL = 100 characteristics Collector to emitter saturation voltage VCE(sat) IF = 50mA, IC = 0.1mA *1 *2 ID : Leakage current due to scattered light Switching time measurement circuit Sig.IN VCC (Input pulse) Sig.OUT (Output pulse) 90% 10% td tr tf td : Delay time tr : Rise time (Time required for the collector current to increase from 10% to 90% of its final value) tf : Fall time (Time required for the collector current to decrease from 90% to 10% of its initial value) ,, ,, 50 RL 1 |
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