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PHOTOMULTIPLIER TUBE
R1893
10 mm (3/8 Inch) Diameter, 8-Stage, Cs-Te Photocathode, Head-On Type
GENERAL
Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Effective Area Window Material Structure Dynode Number of Stages Base Suitable Socket Description/Value 160 to 320 240 Cs-Te 8 Synthetic Silica 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 0.01 -80 to +50 Unit Vdc Vdc mA C
CHARACTERISTICS (at 25C)
Parameter Cathode Sensitivity Radiant at 254nm Anode Sensitivity Radiant at 254nm Gain Anode Dark Current (after 30min. storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time Min. -- 1.2 x 103 -- -- -- -- Typ. 24 3.6 x 103 1.5 x 105 0.5 0.8 7.8 Max. -- -- -- 2.5 -- -- Unit mA/W A/W -- nA ns ns
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 P Ratio 2 2 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 R1893
Figure 1: Typical Spectral Response
TPMHB0610EA
Figure 2: Typical Gain Characteristics
108
TPMHB0611EA
100 CATHODE RADIANT SENSITIVITY 10
CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%)
107
106 QUANTUM EFFICIENCY 1
GAIN
300 350 400
105
104 0.1 103
0.01 100
150
200
250
102 200
500
700
1000 1200 1500
2000
WAVELENGTH (nm)
SUPPLY VOLTAGE (V)
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm) Socket (E678-11N)
10.5 0.5 FACEPLATE 8MIN. DY7 5 DY5 45.0 1.5 PHOTOCATHODE 4 P 6 DY8 7 8 DY6 4.3
DY3 3 2 DY1 1 IC
9 DY4 10 DY2 11 K
10.5 9.5 3
11 PIN BASE
10MAX.
TPMHA0442EA
9.5
3
11
SHORT PIN
TACCA0043EA
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)181-367-3560, Fax: (44)181-367-6384 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
TPMH1260E01 MAR. 1999

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