ambient light photo darlington transistor the KDR3T03AL is photodarlington daylight sensor, dimensions [unit : mm] which peak sensitivity is designed at p =560nm. it's compact and easy to mount. features lineat output conforming to illuminance top-view and lead-pin package. adapted to human eye responsivity. compact package rohs compliance. applications switching for home lighting equipments control of brightness for lcd monitor, crt monitor replacement of cds cell absolute maximum ratings [t a = 25 ] collector-emitter voltage emitter-collector voltage collector current collector power dissipation operating temperature storage temperature notes : *1. for max.5 seconds at the position of 2mm from the package soldering temperature* 1 tsol 260 KDR3T03AL parameter symbol rating unit ma v eco 4v v ceo 7 ma p c 75 mw i c 20 topr. -20~+85 tstg. -30~+85 2 1 - 1 -
ambient light photo darlington transistor electro- optical characteristics KDR3T03AL description symbol condition min. typ. max. unit collector dark current i ceo v ce =10v, e e =0 - - 1000 na ? photo current i pce v ce =5v, ev=10lx 100 - 400~700 - 500 nm peak wavelength p - - 560 - nm spectral sensitivity viewing angle ? - 28 - deg. collector-emitter saturation voltage v ce(sat) i b =100 ? , i c =15 ? --1 v switching time rise time fall time tr tf v ce =5v, i c =1ma, r l =1k ? - - - - ? ? 100 90 dynamic characteristics 0 10 10 3 10 4 collector current (il ) 10 (lux) illminance(e ) 10 10 1 23 10 1 2 10 (?) v collector current vs. irradiance relative sensitivity vs. wavelength 80 spectral sensitivity 500 20 400 0 40 60 700 wavelength( ) 600 800 900 (?) 1000 1100 100 (%) KDR3T03AL human eye radiant pattern + 2 0 angle(deg.) relative intensity(%) + 6 0 + 1 0 0 1 0 0 5 0 + 8 0 + 4 0 - 6 0 5 0 0 5 0 - 1 0 0 1 0 0 - 8 0 - 4 0 - 2 0 0 - 2 -
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