Photomultiplier tube


28mm dia., Side-on type, Cs-Te photocathode (Effective area : 8 mm x 14 mm /Spectral response : 115 nm to 230 nm)

Type Side-on type
Tube Size Dia.28 mm
Photocathode Area Shape Square
Photocathode Area Size 8 mm x 12 mm
Wavelength (Short) 115 nm
Wavelength (Long) 320 nm
Wavelength (Peak) 200 nm
Spectral Response Curve Code 250M
Photocathode Material Cs-Te
Window Material MgF2
Dynode Structure Circular-cage
Dynode Stages 9
[Max. Rating] Anode to Cathode Voltage 1250 V
[Max. Rating] Average Anode Current 0.1 mA
Anode to Cathode Supply Voltage 1000 V
[Cathode] Radiant Sensitivity Typ. 51.2 mA/W (at 254 nm)
[Anode] Radiant Sensitivity Typ. 5.2 x 105 A/W (at 254 nm)
[Anode] Gain Typ. 1.0 x 107
[Anode] Dark Current (after 30min.) Typ. 1 nA
[Anode] Dark Current (after 30min.) Max. 10 nA
[Time Response] Rise Time Typ. 2.2 ns
[Time Response] Transit Time Typ. 22 ns

Dimensional outline (Unit: mm)

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