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| Transmissive Photosensors (Photo Interrupters) CNA1312K Photo Interrupter (0.15) b side Unit : mm Slit width(0.4) a side Overview CNA1312K is an ultraminiature, highly reliable transmissive photosensor in which a high efficiency GaAs infrared light emitting diode chip and a high sensitivity Si phototransistor chip are integrated in a double molded resin package. (1.8) (1.5) With gate a side or b side 1.45 4.90.3 2.00.3 1.45 A B Optical center 2.6 (C0.5) 5.0 min. 3.3 2.3 (0.9) Features Ultraminiature : 2.6 x 4.9 mm (height : 3.3 mm) Highly precise position detection : 0.1 mm Gap width : 2.0 mm 2-0.4 A' B' *3.9 1 3 *2.0 Not soldered 1.0 max. 2-0.2+0.2 -0.1 Absolute Maximum Ratings (Ta = 25C) Parameter Reverse voltage (DC) Input (Light Forward current (DC) emitting diode) Power dissipation Collector current Symbol Ratings VR IF PD*1 IC 6 50 75 20 35 6 75 Unit V mA mW mA V V mW C C C 1 3 Pin connection (Note) 1. Tolerance unless otherwise specified is 0.2 2. ( ) Dimension is reference 3. * is dimension at the root of leads 2 4 1: Anode 3: Collecter 2: Cathode 4: Emitter *1 Output (Photo Collector to emitter voltage VCEO transistor) Emitter to collector voltage VECO Collector power dissipation Operating ambient temperature Temperature Storage temperature Soldering temperature PC *2 Input power derating ratio is 1.0 mW/C at Ta 25C. *2 Output power derating ratio is 1.0 mW/C at Ta 25C. *3 Soldering time is within 5 seconds. Topr -25 to +85 Tstg -40 to +100 Tsol*3 260 Electrical Characteristics (Ta = 25C) Parameter Forward voltage (DC) Input characteristics Reverse current (DC) Output characteristics Collector cutoff current Symbol VF IR ICEO VR = 3V VCE = 20V 40 50 Conditions IF = 20mA min typ 1.2 max 1.4 10 100 400 0.4 Unit V A nA A V s Collector current IC VCE = 5V, IF = 5mA Transfer Collector to emitter saturation voltage VCE(sat) IF = 10mA, IC = 40A characteristics Response time tr , tf* VCC = 5V, IC = 0.1mA, RL = 1000 * Switching time measurement circuit Sig.IN VCC (Input pulse) Sig.OUT (Output pulse) 90% 10% td tr tf ,, ,, 50 RL ,, ,, ,,, Soldering bath 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) ,,, ,, (0.45) 2-0.5 SEC. B-B' 4 2 more than 1mm 1.5 ,,, , SEC. A-A' Slit width (0.2) 1.5 (0.45) For contactless SW, object detection 1 Transmissive Photosensors (Photo Interrupters) CNA1312K IF , IC -- Ta 60 60 IF -- VF 5 Ta = 25C IC -- IF VCE = 5V Ta = 25C IF , IC (mA) 50 IF 50 Forward current, collector current 40 IF (mA) 40 IC (mA) Collector current 0 0.4 0.8 1.2 1.6 2.0 2.4 4 3 30 IC Forward current 30 2 20 20 10 10 1 0 - 25 0 20 40 60 80 100 0 0 0 5 10 15 20 25 Ambient temperature Ta (C ) Forward voltage VF (V) Forward current IF (mA) VF -- Ta 1.6 3 IC -- VCE 120 Ta = 25C IF = 50mA 100 IC -- Ta VCE = 5V IF = 5mA VF (V) 1.2 10mA IC (mA) IC (%) 2 80 Forward voltage 0.8 Collector current 1mA Relative output current IF = 20mA 1 15mA 10mA 5mA 2mA 0 1 2 3 4 5 6 60 40 0.4 20 0 - 40 - 20 0 20 40 60 80 100 0 0 - 40 - 20 0 20 40 60 80 100 Ambient temperature Ta (C ) Collector to emitter voltage VCE (V) Ambient temperature Ta (C ) ICEO -- Ta 1 VCE = 20V 10 3 tr -- IC VCC = 5V 10 3 tf -- IC VCC = 5V 10 -1 ICEO (A) 10 2 10 2 tr (s) tf (s) 10 -2 RL = 2k 1k 10 100 RL = 2k 1k 10 100 Rise time Dark current 10 -3 1 10 -4 Sig.IN Sig. OUT 50 VCC Sig. OUT RL 90% 10% Fall time 1 Sig.IN Sig. OUT 50 VCC Sig. OUT RL 90% 10% 10 -5 - 40 - 20 , ,, 0 20 40 60 80 100 10 -1 10 -2 tr tf 10 ,, 10 -1 10 -2 10 -1 td tr 1 td tf 10 10 -1 1 Ambient temperature Ta (C ) Collector current IC (mA) Collector current IC (mA) 2 CNA1312K Transmissive Photosensors (Photo Interrupters) IC -- d (1) 100 100 IC -- d (2) VCE = 5V Ta = 25C IF = 5mA Relative output current IC (%) ,,, Criterion 0 d 0 0.4 0.8 1.2 1.6 2.0 VCE = 5V Ta = 25C IF = 5mA 80 Relative output current IC (%) 80 60 60 40 40 20 20 0 0 0 0.4 Distance d (mm) ,, , 0.8 1.2 1.6 2.0 Criterion 0 d Distance d (mm) 3 |
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