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參數資料
| 型號： | R7402-20 |
| 廠商： | Hamamatsu Photonics |
| 英文描述： | METAL PACKAGE PHOTOMULTIPLIER TUBE |
| 中文描述： | 金屬封裝光電倍增管 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 315K |
| 代理商： | R7402-20 |
R7400U SERIES
METAL PACKAGE
PHOTOMULTIPLIER TUBE
VOLTAGE DISTRIBUTION RATIO
Electrodes
K
1
Ratio
Supply Voltage: 800 V K: Cathode Dy: Dynode P: Anode
Left: R7400U Right: R7401/R7402
Dy1
1
Dy2
1
Dy3
1
Dy4
1
Dy5
1
1
Dy6
Dy7
1
Dy8
0.5
P
GENERAL
Unit
mm
—
—
g
g
°
C
°
C
Parameter
Minimum Effective Area
Dynode
Weight
Operating Ambient Temperature
and Storage Temperature
Description/Value
8
Metal Channel
8
Approx. 5.3
Approx. 6.3
-80 to +50
-30 to +50
Structure
Number of Stages
Without Lens
With Lens
Without Lens
With Lens
The R7400U series is a subminiature photomultiplier tube with a
16 mm diameter and 12 mm seated length. A precision engi-
neered 8-stage electron multiplier (composed of metal channel
dynodes) is incorporated in the TO-8 package to produce a noise
free gain of 700,000 times (R7400U). The R7400U series also
features excellent response time with a rise time of 0.78 ns. Vari-
ous types of the R7400U series are available with different spec-
tral response and gain ranges, including those selected specifi-
cally for photon counting applications. Hamamatsu also provides
a lens input option to the series (R7401 and R7402), effectively
doubling the active area.
World's smallest photomultiplier tubes assembled. (1/7th of the Hamamatsu R647)
The necessary components are built into a TO-8 package while retaining full photomultiplier tube performance to cre-
ate a new generation of photosensors.
Specially selected on account of low noise and high gain. For use in photon counting applications.
The lens window type doubles the effective input area to 12 mm in diameter.
Compact size (16 mm diameter, 12 mm seated length),
Fast Time response (rise time 0.78 ns)
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. 2004 Hamamatsu Photonics K.K.
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
FEATURES
SPECIFICATIONS
SERIES
Solar Blind
R7400U-09
UV to Visible Range
R7400U-03
—
—
R7400U-06
—
—
R7400U-01
—
R7402
R7400U-04
—
—
R7400U
R7400P, R7401P
R7401
Visible to Near IR Range
UV to Near IR Range
Visible Range
—
—
R7400U-20
—
R7402-20
R7400U-02
—
R7402-02
Standard
For Photon Counting
With Lens
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