Datasheet

PHOTOMULTIPLIER TUBE
R1878
For Photon Counting Applications
Excellent Transit Time Spread, Low After Pulse
19mm (3/4 Inch) Diameter, Multialkali Photocathode, 10-Stage, 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
300 to 850
420
Multialkali
4
Borosilicate glass
Linear focused
10
12-pin glass base
E678-12D (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Value
1500
250
0.1
-80 to +50
Unit
Vdc
Vdc
mA
°C
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Ambient Temperature
CHARACTERISTICS (at 25°C)
Cathode Sensitivity
Anode Sensitivity
Parameter
Luminous (2856K)
Radiant at 420nm
Red/White Ratio (with R-68 filter)
Luminous (2856K)
Radiant at 420nm
Gain
Anode Dark Counts
Time Response
Anode Pulse Rise Time
Electron Transit Time
Min.
80
—
—
30
—
—
—
—
—
Typ.
120
51
0.2
150
6.1 × 104
1.2 × 106
100
1.7
24
Max.
—
—
—
—
—
—
250
—
—
Unit
µA/lm
mA/W
—
A/lm
A/W
—
cps
ns
ns
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
K
Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10
Ratio
2
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
P
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. © 1999 Hamamatsu Photonics K.K.
PHOTOMULTIPLIER TUBE R1878
Figure 1: Typical Spectral Response
Figure 2: Typical Gain Characteristics
TPMHB0547EB
108
CATHODE
RADIANT
SENSITIVITY
TPMHB0549EA
107
10
106
GAIN
CATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
100
QUANTUM
EFFICIENCY
1
105
0.1
104
0.01
200
400
600
800
103
500
1000
600
700
800
1000
1200
1400
SUPPLY VOLTAGE (V)
WAVELENGTH (nm)
Figure 3: Dimensional Outline and Basing Diagram (Unit: mm)
Socket
(E678-12L)
FACEPLATE
19 ± 1
35
4MIN.
28.6
2- 3.2
13
2-R4
DY9 4
9 DY4
2
1
DY3
12
2
DY1
(8)
13MAX.
SHORT PIN
12PIN BASE
18
2
DY5
10 DY2
11
K
7
DY7 3
10.5
9.5
3.3 3.7
80 ± 2
HA COATING
360°
13
5
9
(23.6)
DY10 DY8
6 7
DY6
8
P
6.7
MASKED
PHOTOCATHODE
13
18
TPMHA0027EA
TACCA0047EA
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: Smidesvägen 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
TPMH1222E02
DEC. 1999
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