R7447 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – PHOTOMULTlPLlER TUBES

PHOTOMULTlPLlER TUBES
R7447
R7447P (For Photon Counting)
Very High Cathode Sensitivity with Low Noise Photocathode
FEATURES
Spectral Response ..................................... 160 to 710 nm
High Cathode Sensitivity
Luminous ...................................................... 100 A/lm
Radiant at 410nm ............................................ 70 mA/W
High Anode Sensitivity (at 1000V)
Luminous ....................................................... 1200A/lm
Radiant at 410nm ..................................... 8.4 10⁵ A/W
Low Dark Current .................................................... 0.2nA
Low Dark Counts (R7447P) .................................... 10 cps
APPLICATIONS
Environmental Monitoring
Atomic Emission Spectrometer
Atomic Absorption Spectrometer
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
MateriaI
Minimum Effective Area
Window Material
Dynode
Secondary Emitting Surface
Structure
Number of Stages
Direct Interelectrode Capacitances
Anode to Last Dynode
Anode to All Other Electrodes
Base
Weight
SuitabIe Socket
SuitabIe Socket Assembly
Description/Value Unit
160 to 710
nm
410
nm
Low noise bialkali
8 × 24
mm
Fused Silica
Low noise bialkali
Circular-cage
9
4
pF
6
pF
11-pin base
JEDEC No. B11-88
45
g
E678–11A (option)
E717–63 (option)
Figure 1: Typical Spectral Response
TPMSB0196EA
100
10
CATHODE
RADIANT
SENCITIVITY
1
QUANTUM
EFFICIENCY
0.1
0.01
100 200 300 400 500 600 700 800
WAVELENGTH (nm)
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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. ©1999 Hamamatsu Photonics K.K