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photodiode description
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   data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.  ”“ 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, BS120 *3 times/10˚C BS120 Photodiode for Visible Light SymbolRatingUnitV R 10VT opr T stg -20 to+60-30 to+80˚C˚CT sol 260˚C  Features 1. Spectral sensitivity characteristics akin to2. Compact flat package4. Infrared light cut-off type  Applications 1. AE (automatic exposure) system and ES2. Stroboscopes3. Precise optical instruments *1 For 10 seconds  (electronic shutter) system for cameras that of human eye V R =1V) I SC ( λ >=700nm)I SC (full wavelength)*4 ∆ I R =x100% 3. Low dark current (I d :MAX. 10 -11 A at *2 E V :Illuminance by CIE standard light source A (tungsten lamp) 3 Element      3 0.62.54      0 .     5     5 Infrared light      0 .     2     5 Active area :  Outline Dimensions (Unit:mm)  Absolute Maximum Ratings ParameterSymbolConditionsMIN.TYP.MAX.Unit *2 Short circuit currentI SC E V 0.140.160.21  µ A *2 β T E V -0.030.020.07%/˚CDark currentI d V R =1V-3x10 -12 10 -11 A Dark current temperaturecoefficient T V R =1V-3.55.0  *3 times/10˚C Terminal capacitanceC t V R =0, f=1MHz--500pF Peak sensitivity wavelength  λ p 500560600nm Spectral sensitivityinfrared radiation ratio  ∆ I R ---610%  Electro-optical Characteristics (Ta=25˚C) 11221 Anode2 Cathodecut-off filter ParameterReverse voltageOperating temperatureStorage temperature *1 Soldering temperature (Ta=25˚C) Short circuit current tempe-rature coefficient =100lx=100lx α 1.55mm 2 5.0 ±  0.2        φ      5 .     9    ±      0 .     2      8 .     0    ±      1 .     0      0 .     2      M     A     X .      1 .     8    ±      0 .     1 *4  BS120 Wavelength λ  (nm)    R  e   l  a   t   i  v  e  s  e  n  s   i   t   i  v   i   t  y   (   %   ) Test Circuit for Response Time    R  e   l  a   t   i  v  e  s   h  o  r   t  c   i  r  c  u   i   t  c  u  r  r  e  n   t   (   %   ) 5555555 01020253040506096979899100101102103 252525 50˚C40˚C30˚C20˚C0 400 500 600 700 800 900 102030405060708090100112510205010020050025102050100200500 10 % 90 % OutputInputInfrared LEDPulse generatorBS120 Output Fig. 3 Dark Current vs. Reverse VoltageFig. 4 Spectral Sensitivity 10 -5 10 -6 10 -7 10 -8 10 -9 10 -10 10 -11 10 -12 T a =25˚C    S   h  o  r   t  c   i  r  c  u   i   t  c  u  r  r  e  n   t   I    S   C    (   A   ) 1010 -11 10 -12 10 -13 Illuminance E V  ( r x)T a =25˚C R L t r  t f  Ambient TemperatureFig. 2 Relative Short Circuit Current vs.Fig. 1 Short Circuit Current vs. Illuminance 10 -3 10 -2 10 -1 10 2 10 3 10 - 3 10 -2 10 -1    D  a  r   k  c  u  r  r  e  n   t   I    d    (   A   ) Reverse voltage V R  (V)t r , t f     R  e  s  p  o  n  s  e   t   i  m  e   t   r  ,   t    f    (      µ   s   ) Ambient temperature T a  (˚C) 1 10 1 10 25 10 -10-9 5555555 T a =60˚C 2555222 1000 1100 1200 10001000  Please refer to the chapter“Precautions for Use.” T a =25˚CLoad resistance R L  (k  Ω ) Fig. 5 Response Time vs. Load Resistance  This datasheet has been download from:www.datasheetcatalog.com Datasheets for electronics components.
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