general parameter description unit maximum ratings (absolute maximum values) for high energy physics, fast time response, high pulse linearity 127 mm (5 inch) diameter, bialkali photocathode, 14-stage, head-on type characteristics (at 25 c) parameter min. unit parameter value unit typ. max. 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. ?010 hamamatsu photoni cs k.k. subject to local technical requirements and regulations, availability of products included in this promotional material may var y. please consult with our sales office. photomultiplier tube r1250 supply voltage average anode current 3000 500 0.2 between anode and cathode between anode and last dynode v v ma 55 7.0 300 70 9.0 22 1000 130 1.4 10 7 50 2.5 54 1.2 8.3 1.0 1.0 160 250 a/lm % a/lm na ns ns ns % % % ma ma 300 cathode sensitivity anode sensitivity gain anode dark current (after 30 min storage in darkness) time response pulse height resolution with 137 cs gain deviation pulse linearity * luminous (2856 k) blue sensitivity index (cs 5-58) quantum efficiency at 390 nm luminous (2856 k) blue sensitivity index (cs 5-58) anode pulse rise time electron transit time transit time spread long term short term 2 % deviation 5 % deviation note: measured with special voltage distribution ratios shown in the table 2. nm nm mm c c 300 to 650 420 bialkali 120 borosilicate glass linear focused 14 -30 to +50 -30 to +50 20-pin base e678-20b (supplied) material minimum effective area structure number of stages spectral response wavelength of maximum response photocathode window material dynode operating ambient temperature storage temperature base suitable socket supply voltage: 2000 vdc, k: cathode, dy: dynode, p: anode, g: grid table 1: voltage distribution ratio and supply voltage electrode ratio k dy1 0 dy2 1.2 g1 2.5 g2 7.5 dy3 1.8 dy4 1 dy5 1 dy6 1 dy7 1 dy8 1 dy9 111 dy10 dy11 dy12 1.5 dy13 1.5 3 2.5 dy14 p supply voltage: 2500 vdc, k: cathode, dy: dynode, p: anode, g: grid table 2: special voltage distribution ratio and supply voltage for pulse linearity measurement electrode ratio capacitors in f k dy1 0 dy2 1.2 g1 2.5 g2 7.5 dy3 1.8 dy4 1 dy5 1 dy6 1 dy7 1 dy8 1.2 dy9 1.5 2 2.8 dy10 dy11 dy12 4 dy13 5.7 8 5 0.01 0.01 0.02 0.02 0.02 0.04 0.06 dy14 p
figure 1: typical spectral response tpmh1213e03 dec. 2010 ip tpmhb0518ea figure 3: dimensional outline and basing diagram (unit: mm) tpmha0018eb tacca0309ea socket e678-20b (supplied) 100 10 1 0.1 0.01 200 400 600 800 wavelength (nm) cathode radiant sensitivity (ma/w) quantum efficiency (%) cathode radiant sensitivity quantum efficiency figure 2: typical gain characteristics tpmhb0519ea 500 700 1000 1500 2000 3000 10 4 10 6 10 7 10 9 10 3 supply voltage (v) gain 10 5 10 8 10 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 g2 & dy1 dy3 dy5 dy7 dy9 dy11 dy13 ic p ic k g1 dy2 dy4 dy6 dy8 dy10 ic dy12 dy14 ha coating 20 pin base jedec no. b20-102 52.5 max. 259 5 276 5 133 2 120 min. faceplate photo- cathode 20 52.5 57.8 28 6.0 13 34 hamamatsu photonics k.k. hamamatsu photonics k.k., electron tube division 314-5, shimokanzo, iwata city, shizuoka pref., 438-0193, japan, telephone: (81)539/62-5248, fax: (81)539/62-2205 u.s.a.: hamamatsu corporation: 360 foothill road, p. o. box 6910, bridgewater. n.j. 08807-0910, u.s.a., telephone: (1)908-231-0960, fa x: (1)908-231-1218 e-mail: usa@hamamatsu.com germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49)8152-375-0, f ax: (49)8152-2658 e-mail: info@hamamatsu.de france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: (3 3)1 69 53 71 00, fax: (33)1 69 53 71 10 e-mail: infos@hamamatsu.fr united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road welwyn garden city hertfordshire al7 1bw, united kingdom, teleph one: 44-(0)1707-294888, fax: 44(0)1707-325777 e-mail: info@hamamatsu.co.uk 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 e-mail: info@hamamatsu.se 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 e-mail: info@hamamatsu.it www.hamamatsu.com photomultiplier tube r1250
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