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R972 Datasheet

  • R972

  • PHOTOMULTIPLIER TUBE

  • 2頁

  • HAMAMATSU

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PHOTOMULTIPLIER TUBE
R972
For VUV Detection, 19 mm (3/4 Inch) Diameter,
10-stage,
Head-On Type, Solar Blind Response (115 nm to 200nm)
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Material
Photocathode
Minimum Useful Size
Window Material
Structure
Dynode
Number of Stages
Base
Suitable Socket
Description/Value
115 to 200
140
Cs-I
14
MgF
2
Linear focused
10
12 pin base JEDEC No. B12-43
E678-12A
Unit
nm
nm
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mm dia.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage
Average Anode Current
Ambient Temperature
Parameter
Between Anode and Cathode
Between Anode and Last Dynode
Value
2250
250
0.01
-80 to +50
Unit
V dc
V dc
mA
擄C
CHARACTERISTICS (at 25
擄C)
Cathode Sensitivity
Parameter
Radiant at 122 nm
Quantum Efficiency at 130 nm
Radiant at 122 nm
Min.
鈥?/div>
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2.0
脳
10
2
鈥?/div>
鈥?/div>
鈥?/div>
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Typ.
12
1.3
1.2
脳
10
3
1.0
脳
10
5
0.03
1.6
17
Max.
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0.05
鈥?/div>
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Unit
mA/W
%
A/W
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nA
ns
ns
Anode Sensitivity
Gain
Anode Dark Current (after 30 min. storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes
K
Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10
Ratio
1.5
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 2000 V dc, K: Cathode, Dy: Dynode, P: Anode
P
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 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. 漏2000 Hamamatsu Photonics K.K.

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