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| PT491/PT491F/PT493/PT493F PT491/PT491F PT493/PT493F s Features 1. Epoxy resin package 2. Compact 3. Intermediate acceptance ( : TYP. 40 ) 4. Long lead pin type : PT493/PT493F 5. Visible light cut-off type : PT491F / PT493F Intermediate Acceptance High Sensitivity Phototransistor s Outline Dimensions PT491/PT491F 2C - 0.5 Rest of gate : 0.3MAX 3.0 0.2 1.15 0.75 g Epoxy resin 0.8 1.4 ( Unit : mm ) 1.5 2.5 1.7 Burry's dimensions : 0.8MAX s Applications 1. VCRs 2. Optoelectronic switches 17.5 1.0 0.5MIN. 4.0 0.2 2.54 1 2 2.8 0.2 2 - 0.4 2 - 0.45 2 - 0.8 2 5 2.8 1 g Epoxy resin PT491 PT491F PT493/PT493F 2C - 0.5 Rest of gate : 0.3MAX 1.15 0.75 g Epoxy resin 0.8 1.4 2 1 g Epoxy resin PT493 PT493F Transparent light blue resin Visible light cut-off resin (black ) Transparent light blue resin Visible light cut-off resin (black ) 1 Emitter 2 Collector 1.5 3.0 18.5 3.0 0.2 2.5 1.7 Burr's dimensions : 0.8MAX 40.01.0 0.5MIN. s Absolute Maximum Ratings Parameter Collector-emitter voltage Emitter-collector voltage Collector current Collector power dissipation Operating temperature Storage temperature *1 Soldering temperature Symbol V CEO V ECO IC PC T opr T stg T sol ( Ta = 25C ) Unit V V mA mW C C C 2.54 1 2 2.8 0.2 4.0 0.2 Rating 35 6 50 75 - 25 to + 85 - 40 to + 85 260 2 - 0.4 2 - 0.45 2 - 0.8 2.8 1 Emitter 2 Collector *1 For 3 seconds at the position of 1.4mm from the surface of resin edge " In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. " PT491/PT491F/PT493/PT493F s Electro-optical Characteristics Parameter *2 ( Ta = 25C ) Symbol IC ICEO V CE(sat) p tr tf Conditions VCE = 2V EV = 2lx VCE = 10V, E e = 0 IC = 0.8mA, Ee = 1mW/cm2 VCE = 2V, I C = 5mA RL = 100 MIN. 0.3 0.2 TYP. 0.6 0.4 800 860 80 70 40 MAX. 1.3 0.8 10- 6 1.0 400 350 Unit mA mA A V nm nm s Collector current Collector dark current PT491/PT493 PT491F/PT493F *2 Collector-emitter saturation voltage Peak sensitivity wavelength Response time Half intensity angle PT491/PT493 PT491F/PT493F Rise time Fall time *2 E e , E V : Illuminance, irradiance by CIE standard light source A ( tungsten lamp) Fig. 1 Collector Power Dissipation vs. Ambient Temperature 80 Collector power dissipation P C ( mW ) 70 60 50 40 30 20 10 Fig. 2 Collector Dark Current vs. Ambient Temperature 10 - 4 5 V CE = 10V 10 - 5 5 10 - 6 5 10 - 7 5 10 - 8 5 10 - 9 5 10 10 10 Collector dark current I CEO (A) 5 11 0 - 25 0 25 50 Ambient temperature T a 75 85 ( C ) 100 5 - 25 0 25 50 75 Ambient temperature T a ( C ) 100 Fig. 3 Relative Collector Current vs. Ambient Temperature 175 V CE = 2V Relative collector current ( % ) E V = 21x 150 Fig. 4 Collector Current vs. Irradiance 50 V CE = 2V T a = 25C PT491 PT493 Collector current I C ( mA ) 20 125 10 PT491F PT493F 100 5 75 2 50 - 25 0 25 50 75 Ambient temperature T a ( C ) 100 1 2 5 10 -1 2 Irradiance E e ( mW/cm2 ) 5 1 PT491/PT491F/PT493/PT493F Fig. 5-a Collector Current vs. Collector-emitter ( PT491/PT493 ) Voltage 50 45 Collector current I C ( mA ) 40 Ee = 35 0.5mW/cm2 30 25 20 15 10 5 0 0 1 2 3 4 5 6 Collector-emitter voltage V CE ( V) 7 0.25mW/ cm2 0.2mW/cm2 0.15mW/cm2 0.1mW/cm2 P C ( MAX. ) T a = 25C ( mA ) Fig. 5-b Collector Current vs. Collector-emitter ( PT491F/PT493F ) Voltage 50 45 40 35 30 25 20 15 10 5 0 0 1 P C ( MAX. ) 0.25mW/cm2 0.2mW/cm2 0.15mW/cm2 0.1mW/cm2 2 3 4 5 6 Collector-emitter voltage V CE ( V) 7 Ee = 0.5mW/cm2 T a = 25C Fig. 6 Spectral Sensitivity 100 T a = 25C 80 Relative sensitivity ( % ) Fig. 7 Response Time vs. Load Resistance 1000 V CE = 2V IC = 5mA T a = 25C 100 tr tf 60 PT491 PT493 PT491F PT493F 40 Response time ( s ) Collector current I C td 10 ts 20 0 500 600 700 800 900 1000 1100 1200 Wavelength ( nm ) 1 10 100 1000 Load resistance R L ( ) 5000 Test Circuit for Response Time Fig. 8 Sensitivity Diagram - 20 - 10 0 100 - 30 Relative sensitivity ( % ) 80 ( Ta = 25C ) + 10 + 20 + 30 - 40 Output Input - 50 VCC RL Output td tr ts tf 90% - 60 10% - 70 - 80 - 90 60 + 40 40 + 50 + 60 20 + 70 + 80 0 Angular displacement + 90 PT491/PT491F/PT493/PT493F Fig. 9 Collector-emitter Saturation Voltage ( PT491/PT493 ) vs. Irradiance 2.2 T a = 25C 2.0 Collector-emitter saturation voltage V CE(sat) ( V ) Collector-emitter saturation voltage V CE(sat) ( V ) 1.8 1mA 2mA 3mA IC = 0.5mA 5mA 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.01 0.1 Irradiance E e ( mW/cm2 ) 1 2.0 1.8 IC = 0.5mA 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.01 0.1 Irradiance E e ( mW/cm2 ) 1 Fig.10 Collector-emitter Saturation Voltage vs. Irradiance ( PT491F/PT493F ) 2.2 T a = 25C 1mA 2mA 3mA Please refer to the chapter " Precautions for Use." 5mA |
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