Photomultiplier tube

R2256-02

51mm dia., Head-on type, Bialkali photocathode (Effective area : 46 mm dia./Spectral response : 160 to 650 nm) Silica glass window type of R329-02

Type Head-on type
Tube Size Dia.51 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.46 mm
Wavelength (Short) 160 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 400S
Photocathode Material Bialkali
Window Material Quartz
Dynode Structure Linear-focused
Dynode Stages 12
[Max. Rating] Anode to Cathode Voltage 2700 V
[Max. Rating] Average Anode Current 0.2 mA
Anode to Cathode Supply Voltage 1500 V
[Cathode] Luminous Sensitivity Min. 60 μA/lm
[Cathode] Luminous Sensitivity Typ. 90 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 10.5
[Cathode] Radiant Sensitivity Typ. 85 mA/W
[Anode] Luminous Sensitivity Min. 30 A/lm
[Anode] Luminous Sensitivity Typ. 100 A/lm
[Anode] Radiant Sensitivity Typ. 9.4 x 104 A/W
[Anode] Gain Typ. 1.1 x 106
[Anode] Dark Current (after 30min.) Typ. 6 nA
[Anode] Dark Current (after 30min.) Max. 40 nA
[Time Response] Rise Time Typ. 2.6 ns
[Time Response] Transit Time Typ. 48 ns

Dimensional outline (Unit: mm)

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