R4504 HAMAMATSU | Alldatasheet
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Parameter Description/Value Unit Spectral Response Wavelength of Maximum Response Photocathode Window Dynode nm nm mm dia. 300 to 650 420 – 50 Bialkali Borosilicate glass Plano-plano Bialkali Fine mesh Material Minimum Effective Area Material Shape Secondary Emitting Surface Structure Number of Stages PHOTOMULTIPLIER TUBE R6504 MAXIMUM RATINGS (Absolute Maximum Values) Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ' 1999 Hamamatsu Photonics K.K. Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. For an Operation in Magnetic Fields over 1Tesla 64 mm (2.5 Inch) Head-On, Fast Time Response, High Pulse Linearity 19-stage Fine Mesh Dynodes, Bialkali Photocathode CHARACTERISTICS (at 25 °C) Parameter Min. Unit Parameter Value Unit Supply Voltage Average Anode Current 2300 200 0.1 Vdc Vdc mA Between Anode and Cathode Between Anode and Last Dynode Cathode Sensitivity Anode Sensitivity Gain Anode Dark Current (after 30min. storage in darkness) Time Response Pulse Linearity (at 2% Deviation) Luminous (2856K) Blue (CS-5-58 filter) Quantum Efficiency at 390nm Luminous (2856K) At 0 tesla At 1 tesla Anode Pulse Rise Time Transit Time Transit Time Spread (FWHM) 9.0 700 1.0 × 10 2.0 × 105 2.7 0.47 700 µA/lm µA/lm-b A/lm nA ns ns ns mA 300 Typ. Max. Supply Voltage: 2000Vdc, K: Cathode, Dy: Dynode, P: Anode VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes Ratio K Dy1 Dy2 Dy3 Dy4 Dy5 Dy19 P NOTE: Anode characteristics are measured with the voltage distribution ratio shown below. * PC board breeder assembly type is also available.