|Tube Size||Dia.28 mm|
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.25 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||900 nm|
|Wavelength (Peak)||600 nm|
|Spectral Response Curve Code||501K|
|Photocathode Material||Extended red multialkali|
|Window Material||Borosilicate glass|
|[Max. Rating] Anode to Cathode Voltage||1500 V|
|[Max. Rating] Average Anode Current||0.1 mA|
|Anode to Cathode Supply Voltage||1000 V|
|[Cathode] Luminous Sensitivity Min.||100 μA/lm|
|[Cathode] Luminous Sensitivity Typ.||200 μA/lm|
|[Cathode] Red/White Ratio (R-68) Typ.||0.3|
|[Cathode] Radiant Sensitivity Typ.||40 mA/W|
|[Anode] Luminous Sensitivity Min.||20 A/lm|
|[Anode] Luminous Sensitivity Typ.||150 A/lm|
|[Anode] Radiant Sensitivity Typ.||3.0 x 104 A/W|
|[Anode] Gain Typ.||7.5 x 105|
|[Anode] Dark Current (after 30min.) Typ.||8 nA|
|[Anode] Dark Current (after 30min.) Max.||30 nA|
|[Time Response] Rise Time Typ.||15 ns|
|[Time Response] Transit Time Typ.||60 ns|
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