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Phototube

R12290U-54

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For VUV to UV, Peak wavelength : 220 nm, Photocathode area : 20 mm dia., Tube diameter : 63 mm

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Specifications

Features For Vacuum UV to UV
Type Biplanar Phototube
Spectral Response (Short) 115 nm
Spectral Response (Long) 320 nm
Spectral Response (Peak) 200 nm
Tube Diameter Dia.63 mm
Photocathode Area Min. Dia.20 mm
Photocathode Material Cs-Te
Input Window Type Head-on
Window Material MgF2
[Maximum Ratings] Anode Supply Voltage 3000 V
[Maximum Ratings] Peak Cathode Current 1 A
[Maximum Ratings] Input Light Energy Density 0.125 W/mm2
[Maximum Ratings] Average Cathode Current 50 μA
Luminous Sensitivity Typ. 15 mA/W (at 254 nm)
Radiant Sensitivity at Peak Typ. 25 mA/W
Time Response Rise Time Typ. 270 ps
Time Response Fall Time Typ. 100 ps

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