2 1 3 20 3 . 8 0 . 2 ? 9 . 1 0 . 2 ? 8 . 1 0 . 1 w i nd o w ? 5 . 9 0 . 1 5 . 08 0 . 2 se n s i t i v e sur fac e ? 0 . 4 5 l e ad SMP525G-FM prelim. 1/98 semelab plc. telephone (01455) 556565. telex: 341927. fax (01455) 552612. mechanical d a t a dimensions in mm. p .i.n. ph o t odiode description the SMP525G-FM is a silicon p.i.n. photodiode incorporated in a hermetic metal can package. the electrical terminations are via two leads of diameter 0.018" on a pitch centre diameter of 0.2". the can structure incorporates an optical filter that only transmits infra-red light. 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. 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. t o-39 p a c k age operating temperature range storage temperature range t emperature coefficient of responsi v ely t emperature coefficient of da r k current r e v erse breakd o wn v oltage -40c to +70c -45c to +80c 0.35% per c x2 per 8c r ise 60v absolute maximum r a tings (t case = 25c unles s otherwise stated) fe a tures ? asymmetric receiving angles ? visible and uv blind ? ph o t odiode isol a ted f r om p a ck a ge ? excellent linearity ? l o w noise ? wide spectral response ? l o w leak a ge current ? l o w ca p a ci t ance ? rg850 integral optical fi l ter ? t o39 hermetic me t al can p a ck a ge ? emi screening mesh a v ailable pin 1 C anode pin 2 C cathode pin 3 C case
SMP525G-FM prelim. 1/98 semelab plc. telephone (01455) 556565. telex: 341927. fax (01455) 552612. characteristic t est conditions. min. t yp. max. units responsi v ely acti v e area da r k current breakd o wn v oltage capacitance rise time nep l at 900nm e = 0 da r k 1v r e verse e = 0 da r k 10v r e verse e = 0 da r k 10a re verse e = 0 da r k 0v r e verse e = 0 da r k 20v r e verse 30v r e verse 5 0 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 char a cteristic s (t amb =25c unles s otherwise stated) spectral response 0 2 0 4 0 6 0 8 0 10 0 0 20 0 40 0 60 0 80 0 100 0 120 0 w a velen g th (n m ) relative responsivity (%)
SMP525G-FM prelim. 1/98 semelab plc. telephone (01455) 556565. telex: 341927. fax (01455) 552612. directional characteristics 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 normalised incident power 10 20 30 40 50 60 70 80 angle from sensor to illumination directional characteristics 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 10 20 30 40 50 60 70 80 90 angle f ro m sensor to illu m ination directional characteristics 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 normalised incident power 10 20 30 40 50 60 70 80 angle from sensor to illumination directional characteristics 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 10 20 30 40 50 60 70 80 90 angle f ro m sensor to illu m ination normalised incident power normalised incident power
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