R2693_07 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBES

PHOTOMULTIPLIER TUBES
R2693, R2693P
Transmission Mode Low Noise Bialkali Photocathode
28 mm (1-1/8 inch) Diameter, Side-on Type
FEATURES
GLow Dark Current
GLow Dark Counts (R2693P)
GWide Photocathode
GExcellent Spatial Uniformity
GFast Time Response
APPLICATIONS
GFluorescence Detector
GChemiluminescence Detector
GLight Scattering Detector
SPECIFICATIONS
GENERAL
Parameter
Description/Value
Unit
Spectral Response
185 to 650
nm
Wavelength of Maximum Response
375
nm
Photocathode
MateriaI
Minimum Effective Area
Low noise bialkali
16 (H) × 18 (W)
—
mm
Window Material
UV glass
—
Dynode
Structure
Number of Stages
Circular-cage
9
—
—
Direct Interelectrode Anode to Last Dynode
1.2
pF
Capacitances
Anode to All Other Electrodes
3.4
pF
Base
11-pin base JEDEC No. B11-88 —
Operating Ambient Temperature
Storage Temperature
-30 to +50
°C
-30 to +50
°C
SuitabIe Socket
E678–11A (Sold Separately) —
SuitabIe Socket Assembly
E717–63 (Sold Separately) —
E717–74 (Sold Separately) —
Figure 1: Electron Trajectories
3rd DYNODE
1st DYNODE
FOCUSING
ELECTRODES
2nd DYNODE
GLASS
BULB
PHOTOCATHODE
PHOTOELECTRONS
LIGHT
TPMSC0003EC
Figure 2: Typical Spatial Uniformity
GX-Axis
100
GY-Axis
100
90
90
80
80
70
70
Y
60
60
50
50
40
40
X
30
30
SPOTSIZE: 1 mm
SUPPLY VOLTAGE: 1000 V
WAVELENGTH: 400 nm
20
10
0
-15
-10
CATHODE
ANODE
5
0
5
POSITION (mm)
10
15
20
10
0
-15
-10
CATHODE
ANODE
5
0
5
POSITION (mm)
10
15
TPMSB0066EB
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 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. ©2007 Hamamatsu Photonics K.K.