Micro-PMT assembly

H12400-01-01

Micro PMT assembly is a high sensitivity photosensor that combines a micro PMT with a voltage divider circuit. This assembly can be installed in extremely narrow spaces due to their small size.

Response

SPECTRAL RESPONSE

GAIN

Specifications

  Description / Value Unit
Spectral response 300 nm to 850 nm nm
Peak sensitivity wavelength 420 nm
Photocathode Material Multialkali -
Effective area 3(X) × 1(Y) mm
Window material Borosilicate glass -
Dynode number of stages 12 -
Maximum
ratings
Supply voltage Between anode
and
cathode
-1150 V
Divider current 126 µA
Average output signal current 5 µA
Cathode Luminous sensitivity Min. 100 μA/lm
Typ. 200 μA/lm
Red / White ratio Typ. 0.2 -
Radiant sensitivity(*1) Typ. 62 mA/W
Anode(*2) Luminous sensitivity Min. 15 A/lm
Typ. 70 A/lm
Radiant sensitivity(*1) Typ. 2.1 × 104 A/W
Dark current(*3) Typ. 0.3 nA
Max. 3 nA
Time response Rise time Typ. 1.2 ns
Transit time Typ. 8.0 ns
T.T.S. (*4) Typ. 1.3 ns
Gain(*2) Typ. 3.5 × 105 -
Operating ambient temperature(*5) +5 to +50
Storage temperature(*5) -20 to +50
Weight 11 g

Notes
*1 Measured at the peak sensitivity wavelength
*2 Supply Voltage: -900 V
*3 After 30 minutes storage in darkness
*4 T.T.S.=Transit Time Spread (FWHM)
*5 No condensation

Dimensional outline (Unit mm)

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