R6925 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R6925
High Sensitivity Bialkali Photocathode
28mm (1-1/8 Inch) Diameter, 9-Stage, Side-On Type
FEATURES
Spectral Response ............................ 185 to 730 nm
Cathode Sensitivity
Luminous ........................................ 70 µA/lm Typ.
Radiant at 410 nm .......................... 68mA/W Typ.
Anode Sensitivity (at 1000V)
Luminous ......................................... 500A/lm Typ.
Radiant at 410 nm ................... 4.8 × 10⁵A/W Typ.
APPLICATIONS
Fluorescence Spectrophotometers
Emission Spectrophotometers
Atomic Absorption Spectrophotometers
TPMSF0073
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
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
Suitable Socket
Suitable Socket Assembly
Description/Value Unit
185 to 730
nm
410
nm
Bialkali
—
8 × 24
mm
UV glass
Bialkali
—
Circular-cage
—
9
—
4
pF
6
pF
11-pin base
JEDEC No.B11-88
45
g
E678-11A(option) —
E717-21(option)
—
Figure 1: Typical Spectral Response
TPMSB0123EA
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. ©1997 Hamamatsu Photonics K.K