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R7400U-09 Datasheet(PDF) 1 Page - Hamamatsu Corporation |
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R7400U-09 Datasheet(HTML) 1 Page - Hamamatsu Corporation |
1 / 8 page R7400U SERIES METAL PACKAGE PHOTOMULTIPLIER TUBE VOLTAGE DISTRIBUTION RATIO Left: R7400U Right: R7401/R7402 Electrodes K 1 Dy1 1 Dy2 1 Dy3 1 Dy4 1 Dy5 1 1 Dy6 Dy7 1 Dy8 0.5 P Ratio SERIES GENERAL Solar Blind UV to Visible Range R7400U/R7400U-03/R7400U-06 R7400P R7401 (Visible Range) R7400U-01/R7400U-02/R7400U-04/R7400U-20 Yes Unit UV to Near IR Range —Yes R7402 (Visible to Near IR Range ) Yes Insulation Cover R7400U-09 — — Standard Parameter Minimum Effective Area Dynode Description/Value 8 Metal Channel 8 Structure Number of Stage R7400U Series/R7400P Weight R7401/R7402/R7401P Ambient Temperature R7400U Series/R7400P R7401/R7402/R7401P Approx. 5.3 Approx. 6.3 -80 to +50 -30 to +50 For Photon Counting With Lens Supply Voltage: 800 V K: Cathode Dy: Dynode P: Anode The R7400U series is a subminiature photomultiplier tube with a 16 mm diameter and 12 mm seated length. A precision engi- neered 8-stage electron multiplier (composed of metal channel dynodes) is incorporated in the TO-8 package to produce a noise free gain of 700,000 times (R7400U). The R7400U series also features excellent response time with a rise time of 0.78 ns. Vari- ous types of the R7400U series are available with different spec- tral response and gain ranges, including those selected specifi- cally for photon counting applications. Hamamatsu also provides a hemispherical lens input option to the series (R7401 and R7402), effectively doubling the active area. FEATURES World's smallest photomultiplier tubes assembled in a TO-8 metal package (1/7th of the Hamamatsu R647). The necessary components are built into a TO-8 package while retaining full photomultiplier tube performance to cre- ate a new generation of photosensors. Photon counting type: R7400P. The R7400P is specially selected on account of low noise and high gain for use in photon counting applications. Hemispherical lens window types: R7401 (bialkali), R7402 (multialkali). The hemispherical lens window doubles the effective input area to 12 mm in diameter. Compact size (16 mm diameter, 12 mm seated length), Fast Time response (rise time 0.78 ns) mm — g °C 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. ©2001 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. |
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