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PHOTOMULTIPLIER TUBE
R1894
10mm (3/8 Inch) Diameter, Head-on, 8-Stage, Multialkali Photocathode, 300 to 850nm Spectral Response
GENERAL
Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Useful Size Window Material Structure Dynode Number of Stages Base Socket Description/Value 300 to 850 420 Multialkali 8 Borosilicate glass Linear focused 8 11-pin glass base E678-11N (supplied) Unit nm nm -- mm dia. -- -- -- -- --
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 1500 250 0.03 -80 to +50 Unit Vdc Vdc mA C
CHARACTERISTICS (at 25C)
Cathode Sensitivity Anode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Red/White Ratio (with R-68 filter) Luminous (2856K) Radiant at 420nm Min. 80 -- -- 10 -- -- -- -- -- Typ. 120 51 0.2 50 2.1 x 104 4.2 x 105 2.0 0.8 7.8 Max. -- -- -- -- -- -- 20 -- -- Unit A/lm mA/W -- A/lm A/W -- nA ns ns
Gain Anode Dark Current (after 30 min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 P Ratio 2 1 1 1 1 1 1 1 1 Supply Voltage: 1250Vdc, K: Cathode, Dy: Dynode, P: Anode
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATS U 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. (c) 1999 Hamamatsu Photonics K.K.
PHOTOMULTIPLIER TUBE R1894
Figure 1: Typical Spectral Response
TPMHB0547EB
Figure 2: Typical Gain Characteristics
107
TPMHB0550EA
100 CATHODE RADIANT SENSITIVITY 10
CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%)
106
105 1 QUANTUM EFFICIENCY
GAIN
104 103 800 1000 102 500
0.1
0.01
200
400
600
600
700
800
1000
1200
1400
WAVELENGTH (nm)
SUPPLY VOLTAGE (V)
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
Socket (E678-11N)
9.7 0.4 FACEPLATE 8MIN. P 6 4.3
DY7 5 45.0 1.5 PHOTOCATHODE DY5 4
DY8 7 8 DY6
DY3 3 2 DY1 1 IC 11 K
9 DY4 10 DY2
10.5 9.5 3
10MAX.
11 PIN BASE
SHORT PIN
TPMHA0343EA
9.5
TACCA0043EA
HOMEPAGE URL http://www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Electron Tube Center 314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 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, Fax: (1)908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: 44(20)8-367-3560, Fax: 44(20)8-367-6384 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 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
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11
TPMH1223E03 DEC. 1999

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