Photomultiplier tube


28mm dia., Side-on type, InGaAs photocathode (Effective area : 3 mm x 12 mm /Spectral response : 185 nm to 1010 nm) Photon counting type of R2658

Type Side-on type
Tube Size Dia.28 mm
Photocathode Area Shape Square
Photocathode Area Size 3 mm x 12 mm
Wavelength (Short) 185 nm
Wavelength (Long) 1010 nm
Wavelength (Peak) 400 nm
Spectral Response Curve Code 850U
Photocathode Material InGaAs
Window Material UV glass
Dynode Structure Circular-cage
Dynode Stages 9
[Max. Rating] Anode to Cathode Voltage 1500 V
[Max. Rating] Average Anode Current 0.001 mA
Anode to Cathode Supply Voltage 1250 V
[Cathode] Luminous Sensitivity Min. 50 μA/lm
[Cathode] Luminous Sensitivity Typ. 100 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 4.5
[Cathode] Red/White Ratio (R-68) Typ. 0.4
[Cathode] Radiant Sensitivity Typ. 1 mA/W (at 1um)
[Anode] Luminous Sensitivity Min. 5 A/lm
[Anode] Luminous Sensitivity Typ. 16 A/lm
[Anode] Radiant Sensitivity Typ. 1.6 x 102 A/W
[Anode] Gain Typ. 1.6 x 105
[Anode] Dark Current (after 30min.) Typ. 1 nA
[Anode] Dark Current (after 30min.) Max. 10 nA
[Time Response] Rise Time Typ. 2 ns
[Time Response] Transit Time Typ. 20 ns

Dimensional outline (Unit: mm)

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