R877_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – For Scintillation Counting, 127 mm (5 Inch) Diameter Bialkali Photocathode, 10-Stage, Head-on Type

PHOTOMULTIPLIER TUBES
R877, R877-01
For Scintillation Counting, 127 mm (5 Inch) Diameter
Bialkali Photocathode, 10-Stage, Head-on Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
R877
R877-01
Dynode
Structure
Number of Stages
Direct Interelectrode
Anode to Last Dynode
Capacitances
Anode to All Other Electrodes
Operating Ambient Temperature
Storage Temperature
Base
Suitable Socket
Description
300 to 650
420
Bialkali
111
Borosilicate glass
K-free Borosilicate glass
Box and Grid
10
6
7
-30 to +50
-30 to +50
14-pin base JEDEC No. B14-38
E678-14W (sold separately)
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Value
1500
300
0.1
CHARACTERISTICS (at 25 °C)
Parameter
Min.
Typ.
Luminous (2856 K)
60
90
Cathode Sensitivity
Radiant at 420 nm
Blue Sensitivity Index (CS 5-58)
Anode Sensitivity
Luminous (2856 K)
Radiant at 420 nm
Gain
Anode Dark Current (after 30 min storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
Transit Time Spread (FWHM)
—
85
—
10.5
20
40
—
3.8 × 10⁴
—
4.4 × 10⁵
—
10
—
20
—
115
—
18.5
Pulse Linearity
2 % Deviation
—
10
(at standard ratio)
5 % Deviation
—
20
NOTE: Anode characteristics are measured with the standard voItage distribution ratio shown below.
Max.
—
—
—
—
—
—
50
—
—
—
—
—
Unit
nm
nm
—
mm
—
—
—
—
pF
pF
°C
°C
—
—
Unit
V
V
mA
Unit
µA/lm
A/lm
—
A/W
A/W
—
nA
ns
ns
ns
mA
mA
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K G Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Standard Ratio 1 1 1 1 1 1 1 1 1 1 1 1
Tapered Ratio 1 1 1 1 1 1 1 1 1.5 2.5 3 2.3
Supply Voltage: 1250 V, K: Cathode, Dy: Dynode, P: Anode, G: Grid
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. ©2014 Hamamatsu Photonics K.K.