Photomultiplier tube assembly
|Assembly Size||Dia.31 mm|
|PMT Tube Size||25 (1) mm|
|Built-in PMT Type No.||R4998|
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.20 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||650 nm|
|Wavelength (Peak)||420 nm|
|Spectral Response Curve Code||400K|
|Window Material||Borosilicate glass|
|[Max. Rating] Anode to Cathode Voltage||-2500 V|
|[Max. Rating] Average Anode Current||0.36 mA|
|Anode to Cathode Supply Voltage||-2250 V|
|[Cathode] Luminous Sensitivity Typ.||80 μA/lm|
|[Cathode] Blue Sensitivity Index (CS 5-58) Typ.||9.5|
|[Anode] Luminous Sensitivity Typ.||400 A/lm|
|[Anode] Gain Typ.||5.7 x 106|
|[Anode] Dark Current (after 30min.) Typ.||100 nA|
|[Anode] Dark Current (after 30min.) Max.||200 nA|
|[Time Response] Rise Time Typ.||0.7 ns|
|[Time Response] Transit Time Typ.||10 ns|
|[Time Response] Transit Time Spread Typ.||0.16 ns|
|[Anode] Pulse Linearity (2% deviation)||40 mA|
|[Anode] Pulse Linearity (5% deviation)||70 mA|
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