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Photomultiplier tube

R331-05

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51mm dia., Head-on type, Bialkali photocathode (Effective area : 46 mm dia./Spectral response : 300 to 650 nm)

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Specifications

Type Head-on type
Tube Size Dia.51 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.46 mm
Wavelength (Short) 300 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 400K
Photocathode Material Bialkali
Window Material Borosilicate glass
Dynode Structure Linear-focused
Dynode Stages 12
[Max. Rating] Anode to Cathode Voltage 2500 V
[Max. Rating] Average Anode Current 0.2 mA
Anode to Cathode Supply Voltage 1500 V
[Cathode] Luminous Sensitivity Min. 60 μA/lm
[Cathode] Luminous Sensitivity Typ. 90 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 10.5
[Cathode] Radiant Sensitivity Typ. 85 mA/W
[Anode] Luminous Sensitivity Min. 30 A/lm
[Anode] Luminous Sensitivity Typ. 120 A/lm
[Anode] Radiant Sensitivity Typ. 1.1 x 105 A/W
[Anode] Gain Typ. 1.3 x 106
[Time Response] Rise Time Typ. 2.6 ns
[Time Response] Transit Time Typ. 48 ns
Notes Anode dark count (Typ.) : 1000 (s-1) Anode dark count (Max.) : 2000 (s-1)

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