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PHOTOMULTIPLIER TUBE
R2248
10mm × 10mm Square Envelope, Head-On Type 8-Stage, Bialkali Photocathode
GENERAL
Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Useful Area Window Material Structure Dynode Number of Stages Base Weight Suitable Socket Description/Value 300 to 650 420 Bialkali 8×8 Borosilicate glass Linear focused 8 11-pin glass base Approx. 4.5 E678-11N (supplied) Unit nm nm — mm — — — — g —
MAXIMUM RATINGS (Absolute Maximum Values)
Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 1500 250 0.03 -80 to +50 Unit Vdc Vdc mA °C
CHARACTERISTICS (at 25°C)
Cathode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Blue (CS 5-58 filter) Luminous (2856K) Min.
R2248 Datasheet
