Photocathode R1924P-700

25mm dia., Head-on type, Blue super bialkali photocathode (Effective area : 22 mm dia./Spectral response : 300 to 650 nm), Low noise, High sensitivity in 300 nm to 500 nm, Photon counting type of R1924A-700 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. : 105 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. : 0.5 • [Anode] Dark Current (after 30min.) Max. : 5 • [Time Response] Rise Time Typ. : 1.5 ns • [Time Response] Transit Time Typ. : 17 ns