R212 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R212
FEATURES
28mm (1-1/8 Inch) Diameter Side-on
185 to 650nm Spectral Response
High Gain and Low Dark Current Variant of 1P28
GENERAL
Parameter
Description/value Unit
Spectral Response
185 to 650
nm
Wavelength of Maximum Response
340
nm
Photo-
Material
Sb-Cs
—
cathode
Minimum Useful Size
8 × 24
mm
Window Material
UV glass
—
Dynode
Structure
Number of Stages
Circular-cage
—
9
—
Direct
Interelectrode
Anode
to
Last
Dynode
4
Capacitances Anode to All Other Electrodes
6
pF
pF
Base
JEDEC No. B11-88 —
Suitable Socket
E678-11A
—
Figure 1: Typical Spectral Response
100
CATHODE
RADIANT
SENSITIVITY
10
QUANTUM
EFFICIENCY
1
0.1
0.01
200
400
600
800
WAVELENGTH (nm)
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Information furnished by HAMAMATS U 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. _© 1998 Hamamatsu Photonics K.K.