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R3550A_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – PHOTOMULTIPLIER TUBE
PHOTOMULTIPLIER TUBE
R3550A/R3550P
FEATURES
GLow noise
GCompact
GFor photon counting: R3550P
GHigh reliability for shock / vibration
Vibration: 200 m/s2, Shock: 1000 m/s2
APPLICATIONS
GChemiluminescence measurement
GBioluminescence measurement
GLow level light detection
GENERAL
Parameter
Spectral response
Peak wavelength
Photocathode
Material
Minimum effective area
Window material
Dynode
Structure
Number of stages
Base
Suitable socket
Operating ambient temperature
Storage temperature
Left: R3550A, Right: R3550P
Description
300 to 650
375
Low noise bialkali
22
Borosilicate glass
Circular and linear-focused
10
14 pin glass base
E678-14C (supplied)
-30 to +70
-80 to +70
MAXIMUM RATINGS (Absolute maximum values)
Parameter
Supply voltage
Between anode and cathode
Between anode and last dynode
Average anode current
Value
1250
250
0.1
CHARACTERISTICS (at 25 °C) with standard voltage divider
Parameter
Min.
Luminous (2856 K)
Cathode sensitivity
Quantum efficiency at 375 nm
Blue sensitivity sndex (CS 5-58)
Anode sensitivity
Luminous (2856 K)
Gain
R3550A
R3550P
Anode dark current (after 30 min storage in darkness)
Anode dark count
R3550A
R3550P
Time response
Anode pulse rise time
Electron transit time
30
—
5
45
—
1.5 × 106
—
—
—
—
—
NOTE: Anode characteristics are measured with a voltage distribution ratio shown below
Typ.
50
18
7
100
2.0 × 106
2.0 × 106
0.5
—
20
1.5
17
Max.
—
—
—
—
—
—
4
—
60
—
—
STANDARD VOLTAGE DIVIDER AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio
3
1
1
1
1
1
1
1
1
1
1
Supply Voltage: 1000 V, K: Cathode, Dy: Dynode, P: Anode
ENVIRONMENTAL TESTING
Shock............1000 m/s2, 11 ms, 3 impact shocks per direction (6 directions)
Vibration........200 m/s2, 50 Hz to 2000 Hz, 1 oct per minute, 3 sweeps per axis (3 axes)
Unit
nm
nm
—
mm
—
—
—
—
—
°C
°C
Unit
V
V
mA
Unit
µA/lm
%
—
A/lm
—
—
nA
—
s-1
ns
ns
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. ©2015 Hamamatsu Photonics K.K.