Photomultiplier tube assembly


45.0mm diameter PMT assembly, Built-in PMT:R7761-70, For high magnetic environments


Assembly Size Dia.38 mm
PMT Tube Size 38 (1-1/2) mm
Built-in PMT Type No. R7761-70
Photocathode Area Shape Round
Photocathode Area Size Dia.27 mm
Wavelength (Short) 300 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code -
Photocathode Material Bialkali
Window Material Borosilicate glass
Dynode Structure Fine mesh
Dynode Stages 19
[Max. Rating] Anode to Cathode Voltage 2300 V
[Max. Rating] Average Anode Current 0.33 mA
Anode to Cathode Supply Voltage 2000 V
[Cathode] Luminous Sensitivity Typ. 80 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 9.5
[Anode] Luminous Sensitivity Typ. 800 A/lm
[Anode] Gain Typ. 1.0 x 107
[Anode] Dark Current (after 30min.) Typ. 15 nA
[Anode] Dark Current (after 30min.) Max. 100 nA
[Time Response] Rise Time Typ. 2.1 ns
[Time Response] Transit Time Typ. 7.5 ns
[Time Response] Transit Time Spread Typ. 0.35 ns
[Anode] Pulse Linearity (2% deviation) 350 mA
[Anode] Pulse Linearity (5% deviation) 500 mA

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