Micro-PMT module

H12403-20

The H12403-20 is a high sensitivity photosensor modules that contain a micro PMT, a voltage divider circuit and a highvoltage power supply circuit. These modules can be operated with a low voltage supply.

Response

SPECTRAL RESPONSE

GAIN

Specifications

  Description / Value Unit
Spectral response 300 to 920 nm
Peak sensitivity wavelength 630 nm
Photocathode Material Extended red multialkali -
Effective area 3(X) × 1(Y) mm
Window material Borosilicate glass -
Dynode number of stages 12 -
Input voltage +4.5 to +5.5 V
Maximum input voltage +5.5 V
Maximum input current(*1) 20 mA
Maximum average output signal current(*2) 5 μA
Maximum control voltage +1.15 V
Recommended control voltage adjustment range +0.5 to +1.1 V
Control voltage input impedance 1
Cathode Luminous sensitivity Min. 300 μA/lm
Typ. 400 μA/lm
Red / White ratio Typ. 0.45 -
Radiant sensitivity(*3) Typ. 60 mA/W
Anode(*2) Luminous sensitivity Min. 30 A/lm
Typ. 100 A/lm
Radiant sensitivity (*3) Typ. 1.5 × 104 A/W
Dark current(*4) Typ. 0.6 nA
Max. 6 nA
Time response Rise time Typ. 1.2 ns
Gain(*2) Typ. 2.5 × 105 -
Ripple noise(*2)(*5) (peak to peak) Max. 0.3 mV
Settling time(*6) Max. 10 s
Operating ambient temperature(*7) +5 to +50
Storage temperature(*7) -20 to +50
Weight 52 g

Notes
*1 At +5V input voltage and +0.9 V control voltage in darkness
*2 +0.9 V control voltage
*3 Measured at the peak sensitivity wavelength
*4 After 30 minutes storage in darkness.
*5 Cable RG-174/U, Cable length 450 mm, Load resistance=1 MΩ, Load capacitance=22 pF
*6 The time required for the output to reach a stable level following a change in the control voltage from +1.0 V to + 0.5 V.
*7 No condensation

Dimensional outline (Unit mm)

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