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| GL537/GL538 GL537/GL538 s Features 1. High output power I E : TYP. 30mW/sr at I F = 50mA (GL538 ) 2. Beam angle GL538 : TYP. 13 GL537 : TYP. 25 3. 5mm epoxy resin package 5mm Resin Mold Type Infrared Emitting Diode s Outline Dimensions MAX. ( Unit : mm ) 5 Blue transparent epoxy resin Protruded resin 1.5 * 0.8 1 1. Infrared remote controllers for TVs, VCRs, audio equipment and air conditioners 0.5 23.5 s Applications Cutting type GL538 1.0 2 1 Anode s Absolute Maximum Ratings Parameter Power dissipation Forward current *1 Peak forward current Reverse voltage Operating temperature Storage temperature *2 Soldering temperature Symbol P IF I FM VR T opr T stg T sol ( Ta = 25C ) Rating 150 100 1 6 - 25 to + 85 - 40 to + 85 260 Unit mW mA A V C C C 0.5 5.8 0.2 0.3MIN. (2.54) 0.8 2 Cathode * Portion dimension (mm) 2 1 GL537 GL538 7.7 0.2 8.4 0.2 *1 Pulse width<=100 s, Duty ratio = 0.01 *2 For 3 seconds at the position of 2.6mm from the bottom face of resin package. s Electro-optical Characteristics Parameter Forward voltage Peak forward voltage Reverse current Peak emission wavelength Half intensity wavelength *3 ( Ta = 25C ) Symbol VF V FM IR P Conditions IF = 50mA IFM = 0.5A VR = 3V IF = 5mA IF = 5mA IF = 50mA VR = 0, f = 1kHz IF = 20mA MIN. 6 15 TYP. 1.3 1.9 950 45 13 30 50 300 25 13 MAX. 1.5 3.0 10 Unit V V A nm nm mW/sr pF kHz Radiation intensity Terminal capacitance Response frequency Half intensity angle GL537 GL538 IE Ct fc GL537 GL538 *3 I E : Value obtained by converting the value in power of radiant fluxes emitted at the solid angle of 0.01 sr ( steradian ) in the direction of mechanical axis of the lens portion into 1 sr of all those emitted from the light emitting diode. " 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." GL537/GL538 Fig. 1 Forward Current vs. Ambient Temperature 120 Fig. 2 Peak Forward Current vs. Duty Ratio 10000 Pulse width<=100 s T a = 25C Peak forward current I FM ( mA ) 100 Forward current I F ( mA ) 80 1000 60 40 100 20 0 - 25 0 25 50 75 85 100 10 10 -3 10 -2 10 -1 1 Ambient temperature T a ( C ) Duty ratio Fig. 3 Spectral Distribution 100 I F = 5mA T a = 25C Relative radiant intensity ( % ) 80 Fig. 4 Peak Emission Wave length vs. Ambient Temperature 1000 I F = const. Peak emission wavelength p ( nm ) 975 60 950 40 925 20 0 880 920 960 1000 1040 1080 900 - 25 0 25 50 75 100 Wavelength ( nm ) Ambient temperature T a ( C ) Fig. 5 Forward Current vs. Forward Voltage 500 Ta = 75C 200 Forward current I F ( mA ) 100 50 20 10 5 2 1 0 0.5 1 1.5 2 2.5 3 Forward voltage VF ( V ) 50C 25C 0C - 25C Fig. 6 Relative Forward Voltage vs. Ambient Temperature 140 I F = const. Relative forward voltage ( % ) 120 100 80 60 40 - 25 0 25 50 75 100 Ambient temperature T a ( C ) GL537/GL538 Fig. 7 Relative Output vs. Ambient Temper( Detector : PD410PI ) ature 200 Test circuit 180 GL537 / GL538 160 A Relative output ( % ) 140 120 100 80 60 40 20 0 - 25 0 25 50 75 Ambient temperature Ta ( C ) 100 1 10 PD410PI Radiation intensity I E ( mW/sr ) GL538 Fig. 8 Radiation Intensity vs. Peak Forward Current 1 000 100 GL537 10 T a = 25C Pulse width<=100 s 1000 100 Peak forward current IFM ( mA ) 10000 Fig. 9 Relative Collector Current vs. ( Detector : PD410PI ) Distance 100 Fig.10 Relative Collector Current vs. ( Detector : PD49PI) Distance 100 Relative collector current ( % ) GL537 10 GL538 Relative collector current ( % ) GL537 10 GL538 1 1 0.1 10 I F = 20mA T a = 25C -4 10 - 3 10 - 2 Distance to detector d ( m) 10 -1 0.1 10 I F = 20mA T a = 25C -4 10 - 3 10 - 2 Distance to detector d ( m) 10 -1 Fig.11-a Radiation Diagram - 20 - 10 0 100 - 30 Relative radiant intensity ( % ) Relative radiant intensity ( % ) 80 (GL537 ) ( Ta = 25C ) + 10 + 20 Fig.11-b Radiation Diagram - 20 - 10 0 100 + 30 Relative radiant intensity ( % ) - 30 Relative radiant intensity ( % ) 80 (GL538 ) ( Ta = 25C ) + 10 + 20 + 30 - 40 60 + 40 - 40 60 + 40 - 50 - 60 - 70 - 80 - 90 40 + 50 + 60 - 50 - 60 - 70 - 80 - 90 40 + 50 + 60 20 + 70 + 80 + 90 20 + 70 + 80 + 90 0 Angular displacement 0 Angular displacement q Please refer to the chapter " Precautions for Use." |
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