R4632 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R4632
For Single Photon Counting, Dark Counts 50cps Typ. at 25°C
For Extremely Low Light Level Detection
28mm (1-1/8 Inch) Diameter, 9-stage, Multialkali Photocathode, Side-On Type
185 to 850nm Spectral Response
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Direct Interelectrode
Anode to Last Dynode
Capacitances
Anode to All Other Electrodes
Base
Weight
Suitable Socket
Suitable Socket Assembly
Description/Value
Unit
185 to 850
nm
430
nm
Multialkali
—
8 × 24
mm
UV glass
—
Circular-cage
—
9
—
Approx. 4
pF
Approx. 6
pF
JEDEC No. B11-88
—
Approx. 45
g
E678-11A (option)
—
E717-21, E717-37 (option)
—
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Average Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
Unit
1250
250
Vdc
0.1
mA
-80 to +50
°C
CHARACTERISTICS (at 25°C)
Parameter
Luminous (2856K)
at 400nm
at 500nm
Cathode Sensitivity
Quantum Efficiency at 600nm
at 700nm
at 800nm
Red/White Ratio
Blue (CS-5-58 filter)
Anode Sensitivity
Luminous (2856K)
Gain
Dark Counts *
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
Transit Time Spread (T.T.S.)
* Measured at the voltage producing the gain of 1 × 10⁶
Min.
140
—
—
—
—
—
0.1
—
300
—
—
—
—
—
—
Typ.
200
23.7
18.3
10.7
2.7
0.56
0.15
7.5
700
3.5 × 10⁶
50
0.2
2.2
22
1.2
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 P
Ratio
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
Max.
—
—
—
—
—
—
—
—
—
—
100
1
—
—
—
Unit
µA/lm
%
—
µA/lm-b
A/lm
—
cps
nA
ns
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
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.