HAMAMATSU R3234-01, R3235-01 Datasheet

HIGH–SPEED
PHOTON COUNTING
PHOTOMULTIPLIER TUBES

R3234–01, R3235–01

High–speed Photon Counting and Fluorescence Measurement

51mm(2 Inch) Diameter, 12–stage, Head–on Type

R3234–01:Borosilicate Window (300 to 650nm)

R3235–01:Synthetic Silica Window (160 to 650nm)

GENERAL

Parameter

Spectral Response
Wavelength of Maximum Response
Photocathode

Window Material

Dynode
Base

SuitabIe Socket

R3234–01
R3235–01

MateriaI
Minimum Effective Area
R3234–01
R3235–01
Structure
Number of Stages

Description/Value Unit

300 to 650 nm

160 to 650 nm

420

Bialkali

10

Borosilicate glass

Synthetic silica glass

Linear focused

12

20–pin base (JEDEC No. B20–102)

E678–20A (supplied)

nm

mm dia.

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter Value

Supply Voltage
Avarage Anode Current

Ambient Temperature

Between Anode and Cathode
Between Anode and Last Dynode

CHARACTERISTlCS (at 25°C)

Parameter Max.Typ.Min.

Cathode
Sensitivity

Anode
Sensitivity

Gain
Anode Dark Current (after 30min. storage in darkness)
Anode Dark Counts

Time
Response

NOTE:

Anode characteristics are measured with the voItage distribution ratio shown below.

Luminous (2856K)
Radiant at 420nm
Blue (CS 5–58 filter)
Luminous (2856K)
Radiant at 420nm

Anode Pulse Rise Time 1.3 ns
Electron Transit Time
Transit Time Spread (FWHM)

60

500

2500

500

0.1

-30 to +50

80
72

9.0

2000

2.0 10

2.5 10
1

50

28

0.45

Unit

Vdc
Vdc

mA

Unit

A/lm

mA/W

A/lm b

A/lm

6
7

10

150

A/W

nA

cps

ns
ns

VOLTAGE DlSTRlBUTlON RATlO AND SUPPLY VOLTAGE

Electrodes
Ratio 4 1.2 1.8 1111111111

SuppIy Voltage : 2000Vdc, K : Cathode, Dy : Dynode, P : Anode

Subject to local technical requirements and regulat ions, availability of products included in this promotional material may var y. P lease consult with our sales office.
Information furnished by HAMA M ATSU is believed to be reliable. However, n o 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.

K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 Dy9 Dy10 Dy11 Dy12 P

1999 Hamamatsu Photonics K.K.

©

PHOTOMULTlPLlER TUBES R3234–01, R3235–01

Figure 1: Typical Pulse Generation Characteristics

A)For R3234–01, R3235–01

TPMHB0005EA

AFTER PULSE RATIO
=N

4

10

3

10

2

10

RELATIVE COUNTS

1

10

0

10

-5 5

SIGNAL
N

0

AFTER PULSE
N

1

TIME (ns)

1/N0X100

=0.6%

2515

35

B)For Conventional Type

TPMHB0006EA

4

10

3

10

2

10

RELATIVE COUNTS

1

10

0

10

-5 5

SIGNAL
N

0

TIME (ns)

AFTER PULSE RATIO
=N

1/N0X100

=4%

AFTER PULSE
N

1

2515

35