Photomultiplier tube

R877-01

133mm dia., Head-on type, Bialkali photocathode (Effective area : 111 mm dia./Spectral response : 300 nm to 650 nm), K-free glass window type of R877

Type Head-on type
Tube Size Dia.127 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.111 mm
Wavelength (Short) 300 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 420 nm
Spectral Response Curve Code 400K
Photocathode Material Bialkali
Window Material K free glass
Dynode Structure Box-and-grid
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 1500 V
[Max. Rating] Average Anode Current 0.1 mA
Anode to Cathode Supply Voltage 1250 V
[Cathode] Luminous Sensitivity Min. 60 μA/lm
[Cathode] Luminous Sensitivity Typ. 95 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 11
[Cathode] Radiant Sensitivity Typ. 88 mA/W
[Anode] Luminous Sensitivity Min. 20 A/lm
[Anode] Luminous Sensitivity Typ. 40 A/lm
[Anode] Radiant Sensitivity Typ. 3.7 x 104 A/W
[Anode] Gain Typ. 4.2 x 105
[Anode] Dark Current (after 30min.) Typ. 10 nA
[Anode] Dark Current (after 30min.) Max. 50 nA
[Time Response] Rise Time Typ. 20 ns
[Time Response] Transit Time Typ. 115 ns

Dimensional outline (Unit: mm)

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