R6925_06 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R6925
High Sensitivity Bialkali Photocathode
28 mm (1-1/8 Inch) Diameter, 9-Stage, Side-On Type
FEATURES
GWide Spectral Response ......................... 185 nm to 730 nm
GCathode Sensitivity
Luminous ................................................... 70 µA/lm Typ.
Radiant at 410 nm ..................................... 68 mA/W Typ.
GAnode Sensitivity (at 1000 V)
Luminous ................................................... 500 A/lm Typ.
Radiant at 410 nm .............................. 4.8 × 10⁵ A/W Typ.
APPLICATIONS
GFluorescence Spectrophotometers
GEmission Spectrophotometers
GAtomic Absorption Spectrophotometers
SPECIFICATIONS
GENERAL
Parameter
Description/Value
Unit
Spectral Response
185 to 730
nm
Wavelength of Maximum Response
410
nm
Photocathode
MateriaI
Minimum Effective Area
Bialkali
8 × 24
—
mm
Window Material
UV glass
—
Secondary Emitting Surface
Bialkali
—
Dynode
Structure
Circular-cage
—
Number of Stages
9
—
Direct Interelectrode Anode to Last Dynode
4
pF
Capacitances
Anode to All Other Electrodes
6
pF
Base
11-pin base JEDEC No. B11-88 —
Weight
Approx. 45
g
Operating Ambient Temperature
-30 to +50
°C
Storage Temperature
-30 to +50
°C
SuitabIe Socket
E678–11A (Sold Separately) —
SuitabIe Socket Assembly
E717–63 (Sold Separately)
E717–74 (Sold Separately)
—
Figure 1: Typical Spectral Response
TPMSB0123EB
100
10
QUANTUM EFFICIENCY
1
CATHODE RADIANT
SENSITIVITY
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. ©2006 Hamamatsu Photonics K.K.