R4124 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R4124
Fast Time Response (Especially Narrow T.T.S.)
13mm (1/2 Inch) Diameter, 10-Stage, Bialkali Photocathode, Head-On Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
Weight
Suitable Socket
Description/Value
300 to 650
420
Bialkali
10
Borosilicate glass
Linear focused
10
13-pin glass base
Approx. 7
E678-13A (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
g
—
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Ambient Temperature
Value
1250
350
0.03
-80 to +50
CHARACTERISTICS (at 25°C)
Parameter
Luminous (2856K)
Cathode Sensitivity
Radiant at 420nm
Blue (CS 5-58 filter)
Anode Sensitivity
Luminous (2856K)
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
Transit Time Spread (FWHM)
Min.
40
—
—
30
—
—
—
—
—
Typ.
95
76
9.5
100
1.1 × 10⁶
1
1.1
12
0.5
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
3
1 1.5 1
1
1
1
1
1
1
1
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
Max.
—
—
—
—
—
15
—
—
—
Unit
Vdc
Vdc
mA
°C
Unit
µA/lm
mA/W
µA/lm-b
A/lm
—
nA
ns
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. _© 1998 Hamamatsu Photonics K.K.