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infrared detector mct photoconductive detector dewar type detector with high sensitivity and high-speed response in long wavelength range p2748/p5274 series , P3257-50 features l choice of spectral response range (up to 25 ?) the band gap can be adjusted by controlling the composition ratio of hgte and cdte. utilizing this fact, various types are available in different spectral characteristics. l photoconductive element that decreases its resistance by input of infrared light l micro-cooled type available this type of cooling does not require pour-filled liquid nitrogen. l custom devices available custom devices not listed in this catalog are also available with different spectral response, active area sizes and number of elements. glass dewar type not requiring repumping is also provided. applications l ftir l infrared spectrophotometer l thermal imaging l remote sensing l co 2 laser detection accessories (optional) l valve operator a3515 l amplifiers for dewar type mct photoconductive detector c5185 l power supply for amplifier c3871 l infrared detector module with preamp p7752-10

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mct photoconductive detector p2748/p5274 series, P3257-50 100 10 1 noise (nv/hz ) 10 100 frequency (hz) 1000 10000 1 2 (typ. ) wavelength (?) 0 5 10 15 20 25 10 10 10 9 10 8 (typ. t= -196 ?c) 10 11 d * (cm ?hz /w) 1 2 p5274-01 p2748-40 p5274 relative value bias current (ma) 0 5 10 20 25 4 (typ.) 15 8 12 16 20 d * s n spectral response kirdb0072ec s/n vs. bias current kirdb0073eb noise frequency characteristic kirdb0074ec spectral response can be shifted upon request. the detector must be operated in a range where the d * becomes max. measurement circuit kirdc0007ea chopper 1200 hz band-pass filter r.m.s. meter black body 500 k detector fo=1200 hz ? f=120 hz incident energy: 2.64 w/cm 2 2
mct photoconductive detector p2748/p5274 series, P3257-50 dimensional outlines (unit: mm) kirda0131ec ? p2748-40/-42, p5274 series kirda0129ea ? p2748-41 detector nc detector 8.5 0.5 51.2 1 7.9 1 172 2 pump-out port 9.5 output pin ln 2 fill port 12.5 32 1 6.5 70 2 95 2 102 2 28.5 63.5 1 66 max. 46 1 photosensitive surface 51 1 32 1 46 1 43 1 37 1 8.5 0.5 6.5 72 1 95 1 102 1 66.8 1 10 1 172 2 28.5 63.5 1 ln 2 fill port 12.5 photosensitive surface signal output lead pump-out pipe 9.5 detector nc detector 3
mct photoconductive detector p2748/p5274 series, P3257-50 hamamatsu photonics k.k., solid state division 1126-1 ichino-cho, hamamatsu city, 435-8558 japan, telephone: (81) 053-434-3311, fax: (81) 053-434-5184, http://www.hamamatsu.c om 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.: 8, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telepho ne: 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. ?200 2 hamamatsu photonics k.k. cat. no. kird1021e03 oct. 2002 dn kirda0130ea ? P3257-50 ki r 12.8 25.9 26.8 50.8 0.1 56.0 0.3 20.1 max. 34.8 max. 39.4 10.6 max. +0 -0.01 12.7 29.0 max. fov 23.8 28.3 max. 38.9 max. pump-out valve 10 max. (2 ) 56unc-2b depth: 5.5 4pl mounting hole photosensitive surface mount side output pin 14.5 max. 50.3 max. 27.4 max. 22 26.7 50.1 max. 81.1 max. 58 36.4 43 board thickness including mounted components: 20 max. 70.0 76.5 (4 ) 2.5 4

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