The H12405 is high sensitivity photosensor modules that contain a Micro PMT, a voltage divider circuit, and a high-voltage power supply circuit and amplifier circuit. These modules can be easily 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)||+23.5 / -3.5||mA|
|Maximum average output signal current||+4 (Load resistance 10 kΩ)||V|
|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||-|
|Anode(*2)||Luminous sensitivity(*3)||Min.||3.0 × 107||V/lm|
|Typ.||1.6 × 108||V/lm|
|Voltage output depending on PMT dark current(*3)(*4)||Typ.||0.3||mV|
|PMT gain||Typ.||2.0 × 106||-|
|Frequency bandwidth||DC to 20 kHz||-|
|Current-to-voltage conversion factor||1||V/μA|
|Output offset voltage||Typ.||±1||mV|
|Ripple noise(*3)(*5)(peak to peak)||Max.||1.5||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 Measured at the peak sensitivity wavelength
*3 +0.9 V control voltage
*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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