R2693

PHOTOMULTlPLlER TUBES R2693, R2693P Transmission Mode Low Noise Bialkali Photocathode 28mm (1-1/8 inch) Diameter, Side-on Type FEATURES Low Dark Current Low Dark Counts (R2693P) Wide Photocathode Excellent Spatial Uniformity Fast Time Response APPLICATIONS Fluorescence Detector Chemiluminescence Detector Raman Spectroscopy Emission Spectroscopy Light Scattering Detector GENERAL Parameter Spectral Response Wavelength of Maximum Response Photocathode MateriaI Minimum Effective Area Window Material Dynode Structure Number of Stages Direct Interelectrode Capacitances Anode to Last Dynode Anode to All Other Electrodes Base SuitabIe Socket Applicable Socket Assembly Description 185 to 650 375 Low noise bialkali 16(H) 18(W) UV glass Circular-cage 9 1.2 3.4 11-pin base JEDEC No. B11-88 E678–11A (option) E717–21 (option) Unit nm nm Figure 1: Electron Trajectories LIGHT mm PHOTOELECTRONS PHOTOCATHODE GLASS BULB pF pF 2nd DYNODE FOCUSING ELECTRODES 1st DYNODE 3rd DYNODE TPMSC0003EB Figure 2: Typical Spatial Uniformity X-Axis RELATIVE SENSITIVITY (%) 100 80 60 40 20 0 8 4 0 4 8 9 4.5 0 4.5 9 Y-Axis 100 80 60 40 20 0 Y SPOTSIZE : 1mm DIA SUPPLY VOLTAGE : 1000V WAVELENGTH : 400nm X DISTANCE FROM CENTER OF PHOTOCATHODE (mm) DISTANCE FROM CENTER OF PHOTOCATHODE (mm) TPMSB0066EA Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAM...