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Hamamatsu - Model R6231 -Photomultiplier Tubes (PMT)

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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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borosilicate glass

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 Box-and-grid+Linear-focused
Dynode Stages 8
[Max. Rating] Anode to Cathode Voltage 1500 V
[Max. Rating] Average Anode Current 0.1 mA
Anode to Cathode Supply Voltage 1000 V
[Cathode] Luminous Sensitivity Min. 80 μA/lm
[Cathode] Luminous Sensitivity Typ. 110 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 12.0
[Cathode] Radiant Sensitivity Typ. 95 mA/W
[Anode] Luminous Sensitivity Min. 3 A/lm
[Anode] Luminous Sensitivity Typ. 30 A/lm
[Anode] Radiant Sensitivity Typ. 2.6 x 104 A/W
[Anode] Gain Typ. 2.7 x 105
[Anode] Dark Current (after 30min.) Typ. 2 nA
[Anode] Dark Current (after 30min.) Max. 20 nA
[Time Response] Rise Time Typ. 8.5 ns
[Time Response] Transit Time Typ. 48 ns