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Photomultiplier tube

R1250

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133mm dia., Head-on type, Bialkali photocathode (Effective area : 120 mm dia./Spectral response : 300 to 650 nm)

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Specifications

Type Head-on type
Tube Size Dia.127 mm
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 0.2 mA
Anode to Cathode Supply Voltage 2000 V
[Cathode] Luminous Sensitivity Min. 55 μA/lm
[Cathode] Luminous Sensitivity Typ. 70 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 9.0
[Cathode] Radiant Sensitivity Typ. 72 mA/W
[Anode] Luminous Sensitivity Min. 300 A/lm
[Anode] Luminous Sensitivity Typ. 1000 A/lm
[Anode] Radiant Sensitivity Typ. 1.0 x 106 A/W
[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

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