CNZ2179

Reflective Photosensors (Photo Reflectors) CNZ2179 Reflective Photosensor Unit : mm Overview CNZ2179 is a reflective photosensor with a long focal distance, in which a high efficiency GaAs infrared light emitting diode is used as a light emitting element and a high sensitivity Si phototransistor is used as the light detecting element. 5.2 13.0 Long focal distance : 6 mm (typ.) Visible light cutoff resin is used (7.6) 1 (2-0.5) (2-0.5) (2.54) 4 Parameter Input (Light Forward current (DC) emitting diode) Power dissipation Collector current Output (Photo Collector to emitter voltage transistor) Emitter to collector voltage Collector power dissipation Temperature *1 *2 Symbol Ratings VR IF PD*1 IC VCEO VECO PC*2 Topr Tstg 3 50 75 20 20 5 100 –25 to +80 –30 to +85 Unit V mA mW mA V V mW ˚C ˚C Reverse voltage (DC) 2 (Note) 1. Tolerance unless otherwise specified is ±0.3 2. ( ) Dimension is reference Operating ambient temperature Storage temperature Input power derating ratio is 1.25 mW/˚C at Ta ≥ 25˚C. Output power derating ratio is 1.67 mW/˚C at Ta ≥ 25˚C. Electrical Characteristics (Ta = 25˚C) Parameter Forward voltage (DC) Input characteristics Reverse current (DC) Output characteristics Collector cutoff current Symbol VF IR ICEO IF = 50mA VR = 3 V VCE = 10V 180 20 0.5 Conditions min typ 1.3 max 1.5 10 0.2 1500 Unit V µA µA µA µs V Collector current IC*1 VCC = 5V, IF = 20mA, RL = 100Ω Transfer *2 , t *3 V = 10V, I = 0.1mA, R = 100Ω Response time tr f CC C L characteristics Collector to emitter saturation voltage VCE(sat) IF = 50mA, IC = 0.1mA *1 Transfer characteristics measurement circuit (Ambient light is shut off completely.) IC VCC *2 *3 IF Time required for the collector current to increase from 10% to 90% of its final value. Time required for the collector current to decrease from 90% to 10% of its initial value. 90% 10% tr tf ,, , ,, ,, , RL ,, ,,, ,,, , d = 5 mm Standard white paper (Reflective ratio 90%) , ,, , 3 1 23 4 Pin connection Absolute Maximum Ratings (Ta = 25˚C) 10 min. Features 8.0 0.85max. 1 CNZ2179 Reflective Photosensors (Photo Reflectors) IF , IC — Ta 60 60 IF — VF 1.6 Ta = 25˚C VF — Ta IF , IC (mA) 50 IF 50 IF = 50mA IF (mA) VF (V) 1.2 Forward current, collector current 10mA 40 40 30 IC Forward current 30 Forward voltage 1mA 0.8 20 20 0.4 10 10 0 – 25 0 20 40 60 80 100 0 0 0.4 0.8 1.2 1.6 2.0 2.4 0 – 40 – 20 0 20 40 60 80 100 Ambient temperature Ta (˚C ) Forward voltage VF (V) Ambient temperature Ta (˚C ) IC — IF 10 2 VCE = 5V Ta = 25˚C 10 2 IC — VCE Ta = 25˚C 160 IC — Ta VCC = 5V IF = 20mA RL = 100Ω 120 IC (mA) 10 IC (mA) 10 1 1 IF = 30mA 20mA 10 –1 10mA Relative output current 10 2 Collector current Collector current IC (%) 80 10 –1 40 10 –2 10 –1 1 10 10 2 10 –2 10 –1 1 10 0 – 40 – 20 0 20 40 60 80 100 Forward current IF (mA) Collector to emitter voltage VCE (V) Ambient temperature Ta (˚C ) ICEO — Ta 10 VCE = 10V 10 3 tr — IC VCC = 10V Ta = 25˚C 100 IC — d IC (%) Relative output current RL = 1kΩ 500Ω 100Ω 80 ICEO (µA) 1 10 2 tr (µs) 60 Dark current Rise time 10 –1 10 40 10 –2 1 20 10 –3 – 40 – 20 0 20 40 60 80 100 10 –1 10 –2 10 –1 1 10 0 VCC = 5V Ta = 25˚C RL = 100Ω IF = 20mA 0 4 8 12 16 Ambient temperature Ta (˚C ) Collector current IC (mA) Distance d (mm) 2