2 1 3 20 3 . 8 0 . 2 ? 9 . 1 0 . 2 ? 8 . 1 0 . 1 w i ndow ? 5 . 9 0 . 1 5 . 08 0 . 2 sens i t i v e sur fac e ? 0 . 4 5 l e ad SMP525G-FK prelim. 1/98 semelab plc. telephone (01455) 556565. telex: 341927. fax (01455) 552612. mechanical data dimensions in mm. p.i.n. photodiode description the SMP525G-FK is a silicon p.i.n. photodiode incorporated in a hermetic metal can package. the package window has greater ultra-violet light transmission, thus extending the useful spectral range of the device. the electrical terminations are via two leads of diameter 0.018" on pitch centre diameter of 0.2". the photodiode is electrically isolated from the package, which has a separate earth lead. the photodiode active area provides asymmetric viewing angles in two orthogonal directions. the photodiode structure has been optimised for high sensitivity, asymmetric light measurement applications across the infra-red to ultra-violet spectrum. inclusion of a suitable optical filter into the package can produce a device that responds only to ultra-violet light. the metal can, isolated photodiode and optional screening mesh ensure a rugged device with a high degree of immunity to conducted and radiated electrical interference. to-39 package operating temperature range storage temperature range temperature coefficient of responsively temperature coefficient of dark current reverse breakdown voltage -40c to +70c -45c to +80c 0.35% per c x2 per 8c rise 60v absolute maximum ratings (t case = 25c unless otherwise stated) features ? asymmetric viewing angles ? widest spectral response ? enhanced uv sensitivity ? photodiode isolated from package ? excellent linearity ? low noise ? low leakage current ? low capacitance ? integral optical filter option note 1 ? to39 hermetic metal can package ? emi screening mesh available note 1 contact semelab plc for filter options pin 1 C anode pin 2 C cathode pin 3 C case
SMP525G-FK prelim. 1/98 semelab plc. telephone (01455) 556565. telex: 341927. fax (01455) 552612. characteristic t est conditions. min. t yp. max. units responsiv ely activ e area dar k current breakdo wn v oltage capacitance rise time nep l at 900nm e = 0 dar k 1v re v erse e = 0 dar k 10v re v erse e = 0 dar k 10a re v erse e = 0 dar k 0v re v erse e = 0 dar k 20v re v erse 30v re v erse 50 w 900nm 0.45 0.55 2.05 0.25 4 4 10 60 80 45 6 0.45 a/w mm 2 na v pf ns w/ ? hz chara cteristics (t amb =25c unless otherwise stated) s p e c t r a l r e s p o n s e 0 2 0 4 0 6 0 8 0 1 0 0 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 1 2 0 0 w a v e l e n g t h ( n m ) relative responsivity (%)
SMP525G-FK prelim. 1/98 semelab plc. telephone (01455) 556565. telex: 341927. fax (01455) 552612. d i r e c t i o n a l c h a r a c t e r i s t i c s 0 0 . 1 0 . 2 0 . 3 0 . 4 0 . 5 0 . 6 0 . 7 0 . 8 0 . 9 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 a n g l e f r o m s e n s o r t o i l l u m i n a t i o n d i r e c t i o n a l c h a r a c t e r i s t i c s 0 0 . 2 0 . 4 0 . 6 0 . 8 1 0 0 . 2 0 . 4 0 . 6 0 . 8 1 n o r m a l i s e d i n c i d e n t p o w e r 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 a n g l e f r o m s e n s o r t o i l l u m i n a t i o n normalised incident power d i r e c t i o n a l c h a r a c t e r i s t i c s 0 0 . 2 0 . 4 0 . 6 0 . 8 1 0 0 . 2 0 . 4 0 . 6 0 . 8 1 n o r m a l i s e d i n c i d e n t p o w e r 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 a n g l e f r o m s e n s o r t o i l l u m i n a t i o n d i r e c t i o n a l c h a r a c t e r i s t i c s 0 0 . 1 0 . 2 0 . 3 0 . 4 0 . 5 0 . 6 0 . 7 0 . 8 0 . 9 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 a n g l e f r o m s e n s o r t o i l l u m i n a t i o n normalised incident power
|
