R6835 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE
R6835
For VUV Detection, 28 mm (1-1/8 Inch) Diameter, 11-stage,
Head-On Type, Solar Blind Response (115 nm to 200 nm)
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Suitable Socket
Description/Value
115 to 200
140
Cs-I
23
MgF2
Box and Line
11
E678-14C (supplied)
Unit
nm
nm
—
mm dia.
—
—
—
—
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Value
Unit
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
2500
250
V dc
V dc
Average Anode Current
0.01
mA
Ambient temperature
-80 to +50
°C
CHARACTERISTICS (at 25 °C)
Parameter
Min.
Cathode Sensitivity
Anode Sensitivity
Gain
Radiant at 122 nm
Quantum Efficiency at 130 nm
Radiant at 122 nm
—
—
2.0 × 10²
—
Anode Dark Current (after 30 min. storage in darkness)
—
Time Response
Anode Pulse Rise Time
Electron Transit Time
—
—
NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
Typ.
12
13
1.2 × 10³
1.0 × 10⁵
0.03
2.8
22
Max.
—
—
—
—
0.05
—
—
Unit
mA/W
%
A/W
—
nA
ns
ns
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 P
Ratio
1
1
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 2000 V dc, K: Cathode, Dy: Dynode, P: Anode
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. ©2000 Hamamatsu Photonics K.K.