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Photomultiplier tube



28mm dia., Head-on type, Multialkali photocathode (Effective area : 25 mm dia./Spectral response : 300 to 900 nm)+

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Type Head-on type
Tube Size Dia.28 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.25 mm
Wavelength (Short) 300 nm
Wavelength (Long) 900 nm
Wavelength (Peak) 600 nm
Spectral Response Curve Code 501K
Photocathode Material Extended red multialkali
Window Material Borosilicate glass
Dynode Structure Box-and-grid
Dynode Stages 11
[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. 100 μA/lm
[Cathode] Luminous Sensitivity Typ. 200 μA/lm
[Cathode] Red/White Ratio (R-68) Typ. 0.3
[Cathode] Radiant Sensitivity Typ. 40 mA/W
[Anode] Luminous Sensitivity Min. 20 A/lm
[Anode] Luminous Sensitivity Typ. 150 A/lm
[Anode] Radiant Sensitivity Typ. 3.0 x 104 A/W
[Anode] Gain Typ. 7.5 x 105
[Anode] Dark Current (after 30min.) Typ. 8 nA
[Anode] Dark Current (after 30min.) Max. 30 nA
[Time Response] Rise Time Typ. 15 ns
[Time Response] Transit Time Typ. 60 ns

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