The H12402 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.
|Description / Value||Unit|
|Spectral response||300 to 650||nm|
|Peak sensitivity wavelength||420||nm|
|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 +1.0||V|
|Control voltage input impedance||1||MΩ|
|Blue sensitivity index (CS 5-58)||Typ.||8.0||-|
|Radiant sensitivity (*3)||Typ.||1.6 × 105||A/W|
|Time response Rise time||Typ.||1.2||ns|
|Gain(*2)||Typ.||2.0 × 106||-|
|Ripple noise(*2)(*5) (peak to peak)||Max.||0.3||mV|
|Operating ambient temperature(*7)||+5 to +50||℃|
|Storage temperature(*7)||-20 to +50||℃|
*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
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