Photomultiplier tube


R8520-406-001 is bialkali photocathode PMT with spectral response range from 160 nm to 650 nm.

It is made of low-radioactive materials and is suitable for high-energy physics experiments.

Type Metal package type
Tube Size 25.7 mm x 25.7 mm
Photocathode Area Shape Square
Photocathode Area Size 20.5 mm x 20.5 mm
Wavelength (Short) 160 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 420 nm
Photocathode Material Bialkali
Window Material Quartz
Dynode Structure Metal channel
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 900 V
[Max. Rating] Average Anode Current 0.1 mA
Anode to Cathode Supply Voltage 800 V
[Cathode] Luminous Sensitivity Min. 80 μA/lm
[Cathode] Luminous Sensitivity Typ. 100 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 11
[Cathode] Radiant Sensitivity Typ. 90 mA/W
[Anode] Luminous Sensitivity Min. 40 A/lm
[Anode] Luminous Sensitivity Typ. 100 A/lm
[Anode] Gain Typ. 1.0 x 106
[Anode] Dark Current (after 30min.) Typ. 2 nA
[Anode] Dark Current (after 30min.) Max. 20 nA
[Time Response] Rise Time Typ. 1.8 ns
[Time Response] Transit Time Typ. 12.4 ns
[Time Response] Transit Time Spread Typ. 0.8 ns
[Anode] Pulse Linearity (2% deviation) 30 mA

Dimensional outline (Unit: mm)

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