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Photomultiplier tube assembly

H12690 series

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14.3mm diameter PMT assembly
R12421 series with voltage divider circuit, HA treatment and magnetic shield

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Specifications

Assembly Size Dia.14.3 mm
PMT Tube Size 13 (1/2) mm
Built-in PMT Type No. R12421 series
Photocathode Area Shape Round
Photocathode Area Size Dia.10 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 -1250 V
[Max. Rating] Average Anode Current 0.32 mA
Anode to Cathode Supply Voltage -1000 V
[Cathode] Luminous Sensitivity Min. 80 μA/lm
[Cathode] Luminous Sensitivity Typ. 110 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 10
[Cathode] Radiant Sensitivity Typ. 80 mA/W
[Anode] Luminous Sensitivity Min. 100 A/lm
[Anode] Luminous Sensitivity Typ. 220 A/lm
[Anode] Gain Typ. 2.0 x 106
[Anode] Dark Current (after 30min.) Typ. 0.5 nA
[Anode] Dark Current (after 30min.) Max. 2 nA
[Time Response] Rise Time Typ. 1.2 ns
[Time Response] Transit Time Typ. 14 ns
[Time Response] Transit Time Spread Typ. 1.4 ns
[Anode] Pulse Linearity (2% deviation) 3 mA
[Anode] Pulse Linearity (5% deviation) 12 mA

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