Photomultiplier tube

R7899-01

25mm dia., Head-on type, Bialkali photocathode (Effective area : 22 mm dia./Spectral response : 300 nm to 650 nm) Semiflexible lead type of R7899

Specifications

Type Head-on type
Tube Size Dia.25 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.22 mm
Wavelength (Short) 300 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 400K
Photocathode Material Bialkali
Window Material Borosilicate glass
Dynode Structure Linear-focused
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 1800 V
[Max. Rating] Average Anode Current 0.1 mA
Anode to Cathode Supply Voltage 1250 V
[Cathode] Luminous Sensitivity Min. 70 μA/lm
[Cathode] Luminous Sensitivity Typ. 95 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 11
[Cathode] Radiant Sensitivity Typ. 88 mA/W
[Anode] Luminous Sensitivity Typ. 190 A/lm
[Anode] Radiant Sensitivity Typ. 1.7 x 105 A/W
[Anode] Gain Typ. 2.0 x 106
[Anode] Dark Current (after 30min.) Typ. 2 nA
[Anode] Dark Current (after 30min.) Max. 15 nA
[Time Response] Rise Time Typ. 1.6 ns
[Time Response] Transit Time Typ. 17 ns

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