Photomultiplier tube


13mm dia., Side-on type, Cs-Te photocathode (Effective area : 4 mm x 13 mm /Spectral response : 160 nm to 320 nm)

Type Side-on type
Tube Size Dia.13 mm
Photocathode Area Shape Square
Photocathode Area Size 4 mm x 13 mm
Wavelength (Short) 160 nm
Wavelength (Long) 320 nm
Wavelength (Peak) 230 nm
Spectral Response Curve Code 250S
Photocathode Material Cs-Te
Window Material Quartz
Dynode Structure Circular-cage
Dynode Stages 9
[Max. Rating] Anode to Cathode Voltage 1250 V
[Max. Rating] Average Anode Current 0.01 mA
Anode to Cathode Supply Voltage 1000 V
[Cathode] Radiant Sensitivity Typ. 50 mA/W (at 254 nm)
[Anode] Radiant Sensitivity Typ. 2.0 x 105 A/W (at 254 nm)
[Anode] Gain Typ. 4.0 x 106
[Anode] Dark Current (after 30min.) Typ. 0.5 nA
[Anode] Dark Current (after 30min.) Max. 5 nA
[Time Response] Rise Time Typ. 1.4 ns
[Time Response] Transit Time Typ. 15 ns

Dimensional outline (Unit: mm)

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