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| BS120 BS120 s Features 1. Spectral sensitivity characteristics akin to that of human eye 2. Compact flat package 3. Low dark current( Id : MAX. 10 - 11A at VR = 1V) 4. Infrared light cut-off type Photodiode for Visible Light s Outline Dimensions 5.0 0.2 3 ( Unit: mm ) Element 5.9 1.0 0.2 3 1 s Applications 1. AE ( automatic exposure) system and ES ( electronic shutter ) system for cameras 2. Stroboscopes 3. Precise optical instruments 0.55 Active area : 1.55mm2 8.0 0.6 2 2.54 0.2MAX. Infrared light cut-off filter 0.25 1 2 0.1 1.8 1 Anode 2 Cathode s Absolute Maximum Ratings Parameter Reverse voltage Operating temperature Storage temperature *1 Soldering temperature *1 For 10 seconds ( Ta= 25C ) Rating 10 -20 to + 60 -30 to + 80 260 Unit V C C C Symbol VR T opr T stg T sol s Electro-optical Characteristics *2 ( Ta= 25C ) Conditions EV = 100lx EV = 100lx VR= 1V VR= 1V VR= 0, f= 1MHz MIN. 0.14 - 0.03 500 TYP. 0.16 0.02 3 x 10- 12 3.5 560 6 MAX. 0.21 0.07 10 -11 5.0 500 600 10 Unit A % /C A *3 times/10C pF nm % Parameter Short circuit current circuit current temperature coefficient *2 Short Dark current Dark current temperature coefficient Terminal capacitance Peak sensitivity wavelength *4 Spectral sensitivity infrared radiation ratio Symbol ISC T Id T Ct p IR *2 E V : Illuminance by CIE standard light source A( tungsten lamp ) *3 times/10C I SC ( >= 700nm) x100% *4 I R = I SC ( full wavelength ) " 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. " BS120 Fig. 1 Short Circuit Current vs. Illuminance 10 - 5 5 Fig. 2 Relative Short Circuit Current vs. Ambient Temperature 103 102 Relative short circuit current ( % ) 101 100 99 98 97 96 T a = 25C 10 - 6 5 Short circuit current I SC ( A ) 10 - 7 5 10 - 8 5 10 - 9 5 10 -10 5 10 -11 5 10 -12 10-3 5 10- 2 5 10- 1 5 1 5 10 5 102 5 103 0 10 20 25 30 40 50 60 Illuminance E r V ( x) Ambient temperature Ta ( C ) Fig. 3 Dark Current vs. Reverse Voltage 10 - 9 5 2 Fig. 4 Spectral Sensitivity 100 90 80 70 60 50 40 30 20 10 0 400 T a = 25C 10 - 10 Dark current I d ( A ) 5 2 T a = 60C 50C 40C 30C 10 -11 5 2 Relative sensitivity ( % ) 500 600 700 800 900 1000 1100 1200 10 -12 5 2 20C Wavelength ( nm ) 10 -13 10- 3 2 5 10-2 2 5 10-1 2 5 1 2 5 10 Reverse voltage V R ( V ) Fig. 5 Response Time vs. Load Resistance 1000 500 Response time t r , t f ( s ) T a = 25C Test Circuit for Response Time 200 100 50 tr, t 20 RL 10 5 2 1 1 2 5 10 20 50 100 200 500 1000 Pulse generator tr tf Output 10% 90% f Infrared LED BS120 Output Input Load resistance RL ( k ) q Please refer to the chapter "Precautions for Use." |
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