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Photomultiplier tube

R1104

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28mm dia., Head-on type, Multialkali photocathode (Effective area : 25 mm dia./Spectral response : 185 to 850 nm) High gain type of R374

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Specifications

Type Head-on type
Tube Size Dia.28 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.25 mm
Wavelength (Short) 185 nm
Wavelength (Long) 850 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 500U
Photocathode Material Multialkali
Window Material UV 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. 80 μA/lm
[Cathode] Luminous Sensitivity Typ. 150 μA/lm
[Cathode] Red/White Ratio (R-68) Typ. 0.2
[Cathode] Radiant Sensitivity Typ. 64 mA/W
[Anode] Luminous Sensitivity Min. 500 A/lm
[Anode] Luminous Sensitivity Typ. 2000 A/lm
[Anode] Gain Typ. 1.3 x 107
[Anode] Dark Current (after 30min.) Typ. 20 nA
[Anode] Dark Current (after 30min.) Max. 50 nA
[Time Response] Rise Time Typ. 15 ns
[Time Response] Transit Time Typ. 60 ns

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