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Phototube

R6800U-26

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For VUV, Peak wavelength : 160 nm, Photocathode area : 8 mm dia., Tube diameter : 16 mm

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Specifications

Features For Vacuum UV
Type Metal Package Phototube
Spectral Response (Short) 115 nm
Spectral Response (Long) 220 nm
Spectral Response (Peak) 135 nm
Tube Diameter Dia.16 mm
Photocathode Area Min. Dia.6 mm
Photocathode Material Diamond
Input Window Type Head-on
Window Material MgF2
[Maximum Ratings] Anode Supply Voltage 30 V
[Maximum Ratings] Peak Cathode Current 1.2 µA
[Maximum Ratings] Average Cathode Current Density 5 μA/cm2
[Maximum Ratings] Average Cathode Current 0.4 μA
[Maximum Ratings] Temperature -80 to +50 ℃
Radiant Sensitivity at 122 nm Typ. 3 mA/W
Dark Current Max. 1 pA
Rcommended Operating Voltage 15 V
Interelectrode Capacitance 3 pF

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