Quality Control
We are actively taking measures to improve product quality levels.


Why Hamamatsu?


Our Company

( )

Select your region and country.

Photomultiplier tube



28mm dia., Head-on type, Cs-I photocathode (Effective area : 23 mm dia./Spectral response : 115 to 200 nm)

If you like the product on this page, save it to your wishlist.


Type Head-on type
Tube Size Dia.28 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.23 mm
Wavelength (Short) 115 nm
Wavelength (Long) 200 nm
Wavelength (Peak) 140 nm
Spectral Response Curve Code 100M
Photocathode Material Cs-I
Window Material MgF2
Dynode Structure Box-and-grid+Linear-focused
Dynode Stages 11
[Max. Rating] Anode to Cathode Voltage 2500 V
[Max. Rating] Average Anode Current 0.01 mA
Anode to Cathode Supply Voltage 2000 V
[Cathode] Radiant Sensitivity Typ. 12 (at 121 nm) mA/W
[Anode] Radiant Sensitivity Typ. 1.2 x 103 (at 121 nm) A/W
[Anode] Gain Typ. 1.0 x 105
[Anode] Dark Current (after 30min.) Typ. 0.03 nA
[Anode] Dark Current (after 30min.) Max. 0.05 nA
[Time Response] Rise Time Typ. 2.8 ns
[Time Response] Transit Time Typ. 22 ns

Dimensional outline (Unit: mm)

Contact us for more information.

  • Literature
  • Price
  • Delivery
  • Custom order
  • Support
  • Other

Contact us