Photomultiplier tube assembly


142.0mm diameter PMT assembly, Built-in PMT:R1250, For high energy physics experiments


Assembly Size Dia.142 mm
PMT Tube Size 127 (5) mm
Built-in PMT Type No. R1250
Photocathode Area Shape Round
Photocathode Area Size Dia.120 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 14
[Max. Rating] Anode to Cathode Voltage -3000 V
[Max. Rating] Average Anode Current 1.02 mA
Anode to Cathode Supply Voltage -2000 V
[Cathode] Luminous Sensitivity Typ. 70 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 9
[Anode] Luminous Sensitivity Typ. 1000 A/lm
[Anode] Gain Typ. 1.4 x 107
[Anode] Dark Current (after 30min.) Typ. 50 nA
[Anode] Dark Current (after 30min.) Max. 300 nA
[Time Response] Rise Time Typ. 2.5 ns
[Time Response] Transit Time Typ. 54 ns
[Time Response] Transit Time Spread Typ. 1.2 ns
[Anode] Pulse Linearity (2% deviation) 100 mA
[Anode] Pulse Linearity (5% deviation) 150 mA

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