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R2949

Features: ·Low Dark Counts ................................................. 300cps (at 25°C)·Low Dark Current ............................................. 2nA (after 30min.)·Wide Spectral Response ........................................ 185 to 900 nm·High Cathode Sensitivity·Luminous .............

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SeekIC No. : 004469046 Detail

R2949: Features: ·Low Dark Counts ................................................. 300cps (at 25°C)·Low Dark Current ............................................. 2nA (after 30min.)·Wide Spectral Response...

R2949 Data Sheet

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Part Number:
R2949
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Features:

·Low Dark Counts ................................................. 300cps (at 25°C)
·Low Dark Current ............................................. 2nA (after 30min.)
·Wide Spectral Response ........................................ 185 to 900 nm
·High Cathode Sensitivity
·Luminous ...................................................................... 200µA/lm
·Radiant at 400nm ........................................................... 68mA/W
·High Anode Sensitivity (at 1000V)
·Luminous ...................................................................... 2000A/lm
·Radiant at 400nm .................................................... 6.8×105A/W
·Low Drift and Hysteresis


Specifications

Parameter Value Unit
Supply Voltage
 Between Anode and Cathode 1250
 Vdc
Between Anode and Last Dynode 250 Vdc
Average Anode CurrentA 0.1 mA
Ambient Temperature 80 to +50 °C



Description

The R2949 is a 28mm (1-1/8 inch) diameter, 9-stage, side-on type photomultiplier tube having the same extended red multialkali photocathode as the R928. The R2949 features very low dark counts, extremely high quantum efficiency, high gain, good S/N ratio and wide spectral response from UV to near infrared.

The R2949 is well suited for use in various low-level photometries such as general single photon counting applications and fluorescence life time measurement.

The R2949 is directly interchangeable with the R928.




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