25mm dia., Head-on type, Multialkali photocathode (Effective area : 21 mm dia./Spectral response : 300 nm to 900 nm) Silica window type of R1925A
|Tube Size||Dia.25 mm|
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.21 mm|
|Wavelength (Short)||300 nm|
|Wavelength (Long)||900 nm|
|Wavelength (Peak)||420 nm|
|Spectral Response Curve Code||502k|
|Window Material||Borosilicate glass|
|Dynode Structure||Circular and linear-focused|
|[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.||130 μA/lm|
|[Cathode] Luminous Sensitivity Typ.||230 μA/lm|
|[Cathode] Red/White Ratio (R-68) Typ.||0.1|
|[Cathode] Radiant Sensitivity Typ.||65 mA/W|
|[Anode] Luminous Sensitivity Min.||20 A/lm|
|[Anode] Luminous Sensitivity Typ.||100 A/lm|
|[Anode] Radiant Sensitivity Typ.||2.8 x 104 A/W|
|[Anode] Gain Typ.||4.3 x 105|
|[Anode] Dark Current (after 30min.) Typ.||3 nA|
|[Anode] Dark Current (after 30min.) Max.||20 nA|
|[Time Response] Rise Time Typ.||2.2 ns|
|[Time Response] Transit Time Typ.||19 ns|
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