R759 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R759
For UV Range, 13mm (1/2 Inch) Diameter,
Head-on, 10-Stage, Cs-Te Photocathode
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Wavelength of Maximum Quantum Efficiency
Photocathode
Material
Minimum Useful Size
Window Material
Dynode
Structure
Number of Stages
Direct Interelectrode
Anode to Last Dynode
Capacitances
Anode to All Other Electrodes
Base
Suitable Socket
Description/Value
160 to 320
240
200
Cs-Te
10
Synthetic Silica
Linear focused
10
1.0
2.0
13-pin glass base
E678-13A (supplied)
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Average Anode Current
Ambient Temperature
Between Anode and Cathode
Between Anode and Last Dynode
Value
1250
250
0.01
-80 to +50
CHARACTERISTICS (at 25°C)
Parameter
Cathode Radiant Sensitivity at 254nm
Anode Radiant Sensitivity at 254nm
Gain
Anode Dark Current (after 30min. storage in darkness)
Time Response
Anode Pulse Rise Time
Electron Transit Time
Min.
—
4.0 × 10³
—
—
—
—
Typ.
28
1.4 × 10⁴
5.0 × 10⁵
0.3
2.5
24
Max.
—
—
—
1
—
—
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
1
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
Unit
nm
nm
nm
—
mm dia.
—
—
—
pF
pF
—
—
Unit
Vdc
Vdc
mA
°C
Unit
mA/W
A/W
—
nA
ns
ns
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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. _' 1999 Hamamatsu Photonics K.K.