Photocathode R1924A-700

25mm dia., Head-on type, Blue super bialkali photocathode (Effective area : 22 mm dia./Spectral response : 300 nm to 650 nm) , Low noise, High sensitivity in 300 nm to 500 nm, For chemiluminescence measurement Specifications Type - Head-on type Tube Size - Dia.25 mm Photocathode Area Shape - Round Photocathode Area Size - Dia.22 mm Wavelength (Short) - 300 nm Wavelength (Long) - 650 nm Wavelength (Peak) - 400 nm Spectral Response Curve Code - 446K Photocathode Material - Blue super bialkali Window Material - Borosilicate glass Dynode Structure - Circular and linear-focused Dynode Stages - 10 [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. - 70 μA/lm [Cathode] Luminous Sensitivity Typ. - 90 μA/lm [Cathode] Blue Sensitivity Index (CS 5-58) Typ. - 13 [Cathode] Radiant Sensitivity Typ. - 105 mA/W [Anode] Luminous Sensitivity Min. - 40 A/lm [Anode] Luminous Sensitivity Typ. - 180 A/lm [Anode] Radiant Sensitivity Typ. - 2.1 x 105 A/W [Anode] Gain Typ. - 2.0 x 106 [Anode] Dark Current (after 30min.) Typ. - 1 nA [Anode] Dark Current (after 30min.) Max. - 10 nA [Time Response] Rise Time Typ. - 1.5 ns [Time Response] Transit Time Typ. - 17 ns