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R2658 - PHOTOMULTIPLIER TUBES

Description

Value Unit 185 to 1010 400 InGaAs (Cs) 3 × 12 UV glass Cu-BeO Circular-cage 9 Approx.

4 Approx.

6 11-pin base JEDEC No.

mm pF pF g 0.01 100 200 300 400 500 600 700 800 900 1000 1100

Features

  • High QE in Near IR Region QE 0.13% at 1 µ m Wide Wavelength Range 185 to 1010 nm Low Dark Current 1 nA at 1250 V (Typ. ) The R2658 and the R2658P are 28 mm (1-1/8 inch) diameter side-on photomultiplier tubes using a newly developed InGaAs semiconductor photocathode. The InGaAs photocathode is sensitive from UV to near IR radiations (as long as over 1010 nm) longer than wavelength limit of GaAs photocathode, and yet offers low dark current. The dark current is 2 orders lower than the commercia.

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Datasheet Details

Part number R2658
Manufacturer Hamamatsu Corporation
File Size 105.76 KB
Description PHOTOMULTIPLIER TUBES
Datasheet download datasheet R2658 Datasheet
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Full PDF Text Transcription

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PHOTOMULTIPLIER TUBES R2658 R2658P (For Photon Counting) High QE in Near IR Region Due to InGaAs (Cs) Photocathode For Spectrophotometers with 185 to 1010 nm range, Fluorescence and Laser Applications and Photon Counting (R2658P) in the Near Infrared Region, etc. FEATURES High QE in Near IR Region ............................... QE 0.13% at 1 µ m Wide Wavelength Range ....................................... 185 to 1010 nm Low Dark Current .......................................... 1 nA at 1250 V (Typ.) The R2658 and the R2658P are 28 mm (1-1/8 inch) diameter side-on photomultiplier tubes using a newly developed InGaAs semiconductor photocathode.
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