Products

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

Applications

Why Hamamatsu?

Support

Our Company

( )

Select your region and country.

Photomultiplier tube

R1288A

null

25mm dia., Head-on type, High temperature bialkali photocathode (Effective area : 22 mm dia./Spectral response : 300 to 650 nm)

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

Specifications

Type Head-on type
Tube Size Dia.25 mm
Photocathode Area Shape Round
Photocathode Area Size Dia.22 mm
Wavelength (Short) 300 nm
Wavelength (Long) 650 nm
Wavelength (Peak) 375 nm
Spectral Response Curve Code 401K
Photocathode Material High temp bialkali
Window Material Borosilicate glass
Dynode Structure Circular and linear-focused
Dynode Stages 10
[Max. Rating] Anode to Cathode Voltage 1800 V
[Max. Rating] Average Anode Current 0.02 mA
Anode to Cathode Supply Voltage 1500 V
[Cathode] Luminous Sensitivity Min. 20 μA/lm
[Cathode] Luminous Sensitivity Typ. 40 μA/lm
[Cathode] Blue Sensitivity Index (CS 5-58) Typ. 6.0
[Cathode] Radiant Sensitivity Typ. 51 mA/W
[Anode] Luminous Sensitivity Min. 8 A/lm
[Anode] Luminous Sensitivity Typ. 15 A/lm
[Anode] Radiant Sensitivity Typ. 1.9 x 104 A/W
[Anode] Gain Typ. 3.8 x 105
[Anode] Dark Current (after 30min.) Typ. 0.1 nA
[Anode] Dark Current (after 30min.) Max. 10 nA
[Time Response] Rise Time Typ. 1.3 ns
[Time Response] Transit Time Typ. 13 ns

Contact us for more information.

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

Contact us