Photomultiplier tube

R2078

25mm dia., Head-on type, Cs-Te photocathode (Effective area : 21 mm dia./Spectral response : 160 to 320 nm)

Type Head-on type
Tube Size Dia.25 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.21 mm
Wavelength (Short) 160 nm
Wavelength (Long) 320 nm
Wavelength (Peak) 240 nm
Spectral Response Curve Code 201S
Photocathode Material Cs-Te
Window Material Quartz
Dynode Structure Circular-cage
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 2000 V
[Max. Rating] Average Anode Current 0.015 mA
Anode to Cathode Supply Voltage 1500 V
[Cathode] Radiant Sensitivity Typ. 29 (at 254 nm) mA/W
[Anode] Luminous Sensitivity Min. 2.0 x 103 (A/W, at 254nm) A/lm
[Anode] Radiant Sensitivity Typ. 1.5 x 104 (at 254 nm) A/W
[Anode] Gain Typ. 5.0 x 105
[Anode] Dark Current (after 30min.) Typ. 0.015 nA
[Anode] Dark Current (after 30min.) Max. 0.1 nA
[Time Response] Rise Time Typ. 1.5 ns
[Time Response] Transit Time Typ. 14 ns

Dimensional outline (Unit: mm)

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