R11540 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBES

PHOTOMULTIPLIER TUBES
R11540
Bialkali Photocathode
28 mm (1-1/8 Inch) Diameter, Side-on Type
FEATURES
GHigh Sensitivity in UV to Visible Range
GHigh Quantum Efficiency
40 % (at 350 nm)
GHigh Anode Sensitivity
11.3 × 10⁵ A/W (at 350 nm)
12.0 × 10⁵ A/W (at 420 nm)
APPLICATIONS
GFluorescence Spectrophotometer
GEmission Spectrophotometer
GAtomic Absorption Spectrophotometer
SPECIFICATIONS
GENERAL
Parameter
Description / Value Unit
Spectral Response
185 to 760
nm
Wavelength of Maximum Response
420
nm
Photocathode Material
Bialkali
—
Window Material
UV glass
—
Minimum Effective Area
8 × 24
mm
Dynode
Structure
Number of Stage
Circular-cage
—
9
—
Direct
Anode to Dynode No.9
4
pF
Interelectrode Anode to
Capacitances All Other Electrodes
6
pF
Base
11-pin base
—
Weight
45
g
Suitable Socket for Base
E678-11A
—
Figure 1: Typical Spectral Response
TPMSB0231EA
1000
CATHODE
RADIANT
SENSITIVITY
100
10
QUANTUM
EFFICIENCY
1
0.1
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. ©2010 Hamamatsu Photonics K.K.