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Photomultiplier tube

R649

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51mm dia., Head-on type, Multialkali photocathode (Effective area : 5 x 8 mm/Spectral response : 300 to 850 nm)

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Specifications

Type Head-on type
Tube Size Dia.51 mm
Photocathode Area Shape Square
Photocathode Area Size 5 x 8 mm
Wavelength (Short) 300 nm
Wavelength (Long) 850 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 500K
Photocathode Material Multialkali
Window Material Borosilicate glass
Dynode Structure Box-and-grid
Dynode Stages 12
[Max. Rating] Anode to Cathode Voltage 1500 V
[Max. Rating] Average Anode Current 0.01 mA
Anode to Cathode Supply Voltage 1000 V
[Cathode] Luminous Sensitivity Min. 80 μA/lm
[Cathode] Luminous Sensitivity Typ. 120 μA/lm
[Cathode] Red/White Ratio (R-68) Typ. 0.2
[Cathode] Radiant Sensitivity Typ. 51 mA/W
[Anode] Luminous Sensitivity Min. 100 A/lm
[Anode] Luminous Sensitivity Typ. 800 A/lm
[Anode] Radiant Sensitivity Typ. 3.4 x 105 A/W
[Anode] Gain Typ. 6.7 x 106
[Time Response] Rise Time Typ. 13 ns
[Time Response] Transit Time Typ. 70 ns
Notes Anode dark count (Typ.) : 200 (s-1) Anode dark count (Max.) : 350 (s-1)

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