S2684-254 uses an interference filter as its window to provide high sensitivity only to monochromatic light. the spectral respo nse width is as narrow as 10 nm (fwhm), allowing accurate photometry without being adversely influenced by stray light. as the type no. implies , S2684-254 has a peak sensitivity wavelength at 254 nm. however, variant types are also available with different peak sensitivity waveleng ths such as 340, 405, 500, 520, 560, 650 and 700 nm. features l monochromatic light detection with high sensitivity l low dark current applications l analytical instruments l uv monitor (mercury lamp monitor, etc.) photodiode si photodiode photodiode with interference filter for monochromatic light (254 nm) detection S2684-254 absolute maximum ratings parameter symbol value unit reverse voltage v r max. 5 v operating temperature topr -10 to +60 c storage temperature tstg -20 to +70 c electrical and optical characteristics (ta=25 c) parameter symbol condition min. typ. max. unit peak sensitivity wavelength p 252 254 256 nm spectral response half-width fwhm 8 10 12 nm photo sensitivity s = p -0.02-a/w dark current i d v r =10 mv - - 25 pa temperature coefficient of i d t cid - 1.12 - times/c rise time tr v r =0 v, r l =1 k ? - 1 - s terminal capacitance ct v r =0 v, f=10 khz - 380 - pf shunt resistance rsh v r =10 mv 0.4 5 - g ? noise equivalent power nep v r =0 v, = p - 9.1 10 -14 w/hz 1/2 1
si photodiode S2684-254 hamamatsu photonics k.k., solid state division 1126-1 ichino-cho, higashi-ku, hamamatsu city, 435-8558 japan, telephone: (81) 53-434-3311, fax: (81) 53-434-5184, www.hamamatsu.com u.s.a.: hamamatsu corporation: 360 foothill road, p.o.box 6910, bridgewater, n.j. 08807-0910, u.s.a., telephone: (1) 908-231-0 960, fax: (1) 908-231-1218 germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49) 08152 -3750, fax: (49) 08152-2658 france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, teleph one: 33-(1) 69 53 71 00, fax: 33-(1) 69 53 71 10 united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road, welwyn garden city, hertfordshire al7 1bw, unit ed kingdom, telephone: (44) 1707-294888, fax: (44) 1707-325777 north europe: hamamatsu photonics norden ab: smidesv?gen 12, se-171 41 solna, sweden, telephone: (46) 8-509-031-00, fax: (46) 8 -509-031-01 italy: hamamatsu photonics italia s.r.l.: strada della moia, 1/e, 20020 arese, (milano), italy, telephone: (39) 02-935-81-733, fax: (39) 02-935-81-741 information furnished by hamamatsu is believed to be reliable. however, no responsibility is assumed for possible inaccuracies or omissions. specifications are subject to change without notice. no patent rights are granted to any of the circuits described herein. ?2006 hamamatsu photonics k.k. cat. no. kspd1014e03 aug. 2006 dn 0.45 lead 20 9.6 ?0.2 2.6 ?0.2 9.1 ?0.2 5.08 ?0.25 case 0.4 max. 8.3 ?0.1 window 6.1 ?0.1 3.6 photosensitive surface dimensional outline (unit: mm) spectral response (S2684-254, etc.) kspdb0135eb kspda0081eb 200 300 400 500 wavelength (nm) photo sensitivity (a/w) 600 700 800 (typ. ta=25 ?c) 0.2 0.15 0.1 0.05 0 s2684-340 ( p=340 nm) s2684-405 ( p=405 nm) s2684-500 ( p=500 nm) s2684-520 ( p=520 nm) s2684-650 ( p=650 nm) s2684-700 ( p=700 nm) s2684-560 ( p=560 nm) S2684-254 ( p=254 nm) note) made to order other than S2684-254. 2
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