Photomultiplier tube

R9880U-20

The R9880U series is a TO-8 type compact metal package PMT.

The R9880U-20 is extended red multialkali photocathode PMT with spectral response range from 230 nm to 920 nm.

Type Metal package type
Tube Size Dia.16 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.8 mm
Wavelength (Short) 230 nm
Wavelength (Long) 920 nm
Wavelength (Peak) 630 nm
Photocathode Material Extended red multialkali
Window Material Borosilicate glass
Dynode Structure Metal channel
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 1100 V
[Max. Rating] Average Anode Current 0.1 mA
[Cathode] Luminous Sensitivity Min. 350 μA/lm
[Cathode] Luminous Sensitivity Typ. 500 μA/lm
[Cathode] Red/White Ratio (R-68) Typ. 0.45
[Cathode] Radiant Sensitivity Typ. 78 mA/W
[Anode] Luminous Sensitivity Min. 350 A/lm
[Anode] Luminous Sensitivity Typ. 1000 A/lm
[Anode] Gain Typ. 2.0 x 106
[Anode] Dark Current (after 30min.) Typ. 10 nA
[Anode] Dark Current (after 30min.) Max. 100 nA
[Time Response] Rise Time Typ. 0.57 ns
[Time Response] Transit Time Typ. 2.7 ns
[Time Response] Transit Time Spread Typ. 0.2 ns

Dimensional outline (Unit: mm)

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