Photomultiplier tube

R12421-300

13mm dia., Head-on type, Extended green bialkali photocathode (Effective area : 10 mm dia./Spectral response : 300 nm to 700 nm)

High sensitivity type in 500 nm to 700 nm

Type Head-on type
Features Compact size
Tube Size Dia.13 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.10 mm
Wavelength (Short) 300 nm
Wavelength (Long) 700 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 400K
Photocathode Material Extended green 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 0.1 mA
Anode to Cathode Supply Voltage 1000 V
[Cathode] Luminous Sensitivity Min. 120 μA/lm
[Cathode] Luminous Sensitivity Typ. 160 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 14
[Cathode] Radiant Sensitivity Typ. 105 mA/W
[Anode] Luminous Sensitivity Min. 100 A/lm
[Anode] Luminous Sensitivity Typ. 320 A/lm
[Anode] Gain Typ. 2.0 x 106
[Anode] Dark Current (after 30min.) Typ. 1 nA
[Anode] Dark Current (after 30min.) Max. 5 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

Dimensional outline (Unit: mm)

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