Photomultiplier tube


28mm dia., Head-on type, Bialkali photocathode (Effective area : 25 mm dia./Spectral response : 185 nm to 650 nm) UV glass window type of R6427

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) 650 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 400U
Photocathode Material Bialkali
Window Material UV glass
Dynode Structure Linear-focused
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 2000 V
[Max. Rating] Average Anode Current 0.1 mA
Anode to Cathode Supply Voltage 1500 V
[Cathode] Luminous Sensitivity Min. 70 μA/lm
[Cathode] Luminous Sensitivity Typ. 100 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 11
[Cathode] Radiant Sensitivity Typ. 88 mA/W
[Anode] Luminous Sensitivity Typ. 500 A/lm
[Anode] Radiant Sensitivity Typ. 4.4 x 105 A/W
[Anode] Gain Typ. 5.0 x 106
[Anode] Dark Current (after 30min.) Typ. 10 nA
[Anode] Dark Current (after 30min.) Max. 200 nA
[Time Response] Rise Time Typ. 1.7 ns
[Time Response] Transit Time Typ. 16 ns
[Time Response] Transit Time Spread Typ. 0.5 ns
[Anode] Pulse Linearity (2% deviation) 10 mA

Dimensional outline (Unit: mm)

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