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Hamamatsu Corporation |
PHOTOMULTIPLIER TUBES
R6427, R7056
Fast time response, For scintillation counting and
high energy physics, R6427: Borosilicate glass, R7056: UV glass
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material
Minimum Effective Area
Window Material
Dynode
Structure
Number of Stages
Base
Suitable Socket
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Supply Voltage
Between Anode and Cathode
Between Anode and Last Dynode
Average Anode Current
Ambient Temperature
R6427
R7056
300 to 650
185 to 650
420
Bialkali
25
Borosilicate glass
UV glass
Linear focused
10
14-pin glass base
E678-14C (supplied)
Value
2000
350
0.2
-80 to +50
CHARACTERISTICS (at 25°C)
Parameter
Luminous (2856K)
Cathode Sensitivity
Radiant at 420nm
Blue (CS-5-58 filter)
Anode Sensitivity
Luminous (2856K)
Radiant at 420nm
Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Pulse Rise Time
Time Response
Electron Transit Time
Transit Time Spread (FWHM)
Pulse Linearity (at ±2% deviation)
Min.
60
—
—
—
—
—
—
—
—
—
—
Typ.
95
88
11.0
475
4.4 × 105
5 × 106
10
1.7
16
500
10 (100)
NOTE : Anode characteristics are measured with the voltage distribution ratio A shown below.
( ) : Pulse linearity is measured with the voltage distribution ratio B shown below.
Max.
—
—
—
—
—
—
200
—
—
—
—
VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE
Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 P
Ratio A
4 1 1.5 1 1 1 1 1 1 1 1
Ratio B (Tapered) 4 1 1.5 1 1 1 1.2 1.5 2 3.3 3
Capacitors (µF)
0.01 0.02 0.02 0.04 0.06
Supply Voltage: 1500Vdc, K: Cathode, DY: Dynode, P: Anode
Unit
nm
nm
—
mm dia.
—
—
—
—
—
Unit
Vdc
Vdc
mA
°C
Unit
µA/lm
mA/W
µA/lm-b
A/lm
A/W
—
nA
ns
ns
ps
mA
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
lnformation furnished by HAMAMATS U is believed to be reliabIe. However, no responsibility is assumed for possibIe inaccuracies or omissions. Specifications are
subject to change without notice. No patent rights are granted to any of the circuits described herein. © 1999 Hamamatsu Photonics K.K.
PHOTOMULTIPLIER TUBES R6427, R7056
Figure 1: Typical Spectral Response
TPMHB0434EB
100
R7056
10
R6427
Figure 2: Typical Gain
TPMHB0433EB
108
107
STANDARD (RATIO A)
106
TAPER (RATIO B)
1 105
104
0.1
103
0.01
100 200 300 400 500 600 700 800
WAVELENGTH (nm)
102
500
700 1000
1500 2000 2500 3000
SUPPLY VOLTAGE (V)
Figure 3: Typical Pulse Height Distribution (P.H.D.)
TPMHB0432EA
1.0
0.8
0.6
WAVELENGTH OF
INCIDENT LIGHT
: 400 [nm]
SUPPLY VOLTAGE
: 1500 [V]
LOWER LEVEL DISCRI : 80 [ch]
SIGNAL+DARK COUNTS : 5600[cps]
DARK COUNTS
: 150 [cps]
AMBIENT TEMPERATURE : 25[°C]
0.4 SIGNAL + DARK
0.2
0
DARK
200 400 600 800
CHANNEL NUMBER (ch)
1000
Figure 4: Time Response
TPMHB0435EA
102
TRANSIT TIME
101
FALL TIME
RISE TIME
100
T.T.S.
1000
1500
2000
2500 3000
SUPPLY VOLTAGE (V)
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