H12405 series is the most widespread standard type and has a built-in high-voltage power supply. The H12405 is bialkali photocathode micro PMT module with spectral response range from 300 nm to 650 nm.
|Spectral response||300 nm to 650 nm|
|Peak sensitivity wavelength||420 nm|
|Window material||Borosilicate glass|
|Effective area||1 mm x 3 mm|
|Input voltage||±4.5 V to ±5.5 V|
|Max. Input voltage||±5.5 V|
|Max. Input current||+23.5 mA / -3.5 mA|
|Max. Average output signal voltage||+4 V|
|Max. Control voltage||+1.15 V|
|Recommended control voltage adjustment range||+0.5 V to +1.0 V|
|Control voltage input impedance||1 MΩ|
|[Cathode] Luminous sensitivity Min.||50 μA/lm|
|[Cathode] Luminous sensitivity Typ.||80 μA/lm|
|[Cathode] Radiant sensitivity Typ.||80 mA/W|
|[Cathode] Blue sensitivity index||8.0|
|[Anode] Luminous sensitivity Min.||3.0 x 107 V/lm|
|[Anode] Luminous sensitivity Typ.||1.6 x 108 V/lm|
|[Anode] Radiant sensitivity Typ.||160 V/nW|
|Voltage output depending on PMT dark current Typ.||0.3 mV|
|Voltage output depending on PMT dark current Max.||3 mV|
|PMT gain||2.0 x 106|
|Frequency bandwidth||DC to 20 kHz|
|Current-to-voltage conversion factor||1 V / μA|
|Output offset voltage||±1 mV|
|Ripple noise (peak to peak)||1.5 mV|
|Settling time||10 s|
|Red||Low voltage input (+5 V)|
|Green||Low voltage input (-5 V)|
|Blue||Vref output (+1.2 V)|
|White||Vcont input (+0.5 V to +1.0 V)|
|RG-174/U||-||Signal output / Signal GND (Coaxial)|
Details of input window
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